Home

Manuel - IO module

Contents

1. 34 7 Control parameter database 35 8 Dimensions 39 9 Technical specifications 39 YO Module 1 Introduction The Carel IOM is a compact versatile and easy to install instrument din rail mounting 4 DIN modules used to acquire the operating parameters from an installation and make them available to a supervisory monitoring system Especially suitable for the supervision of systems with electromechanical controllers or non Carel electronic controllers the I O module completes the range of Carel Retrofit Solutions designed to satisfy the needs of leading manufacturers in the sector with the purpose of reducing installation costs 1 1 Main characteristics Power supply Models are available with 230Vac 115Vac 24Vac power supply respectively IOM0023000 IOM0011500 IOM0002400 Installation All models feature DIN rail installation Applications The programmability of the Carel I O module ensures maximum flexibility in its application The same standard hardware can be used to measure data from chillers and heat pumps roof top units small medium air handling units r
2. 3 1 1 Main characteristics 3 1 2 User interface 4 2 Installation 5 2 1 Warnings for installation 6 2 2 Assembling and securing the instrument 7 2 3 Power supply to the instrument 7 2 4 Connecting the digital inputs 8 2 5 Connecting the analogue inputs 8 2 6 Local serial network 10 3 Programming 11 3 1 Analogue and digital input configuration MOD parameter 11 3 2 Relay operating mode OUT 11 3 3 List of parameters
3. RELAY 1 RELAY RELAY RELAY Variable 2 3 4 AFI 4096 AF2 256 AF3 OUTLI AF4 AFS or ASI ATIL ATIH 4096 AF6 or AS2 AT2L AT2H 256 AS3 or AT3L AT3H 16 PES AS4 or ATAL AT4H 1 OUTLI This parameter refers to the alarms configured by LINK 1 those corresponding to the digital inputs with voltage signal What is the status of the relay when one or more than one alarm is activated By assigning a value to this parameter see the table above the status of the relay can be defined energised de energised when an alarm AF1 or AF2 is activated To set the open or de energised status of the relay corresponding to the alarm AF1 do not enter any value that is 0 for the parameter OUTL 1 on the other hand to set the closed or energised status enter the value listed in the table above 4096 for the parameter OUTL I The same procedure is used for the alarm AF2 the value 0 for the parameter OUTLI this means that relay will be de energised when this alarm is activated if as per the table the value 256 is set the relay will be energised when the alarm AF2 is activated In the event where the alarms AF1 and AF2 are activated at the same time in order to energise the relay for both the alarms simply sum the values 4096 256 4352 and enter this value for the parameter OUTLI OUTL2 This parameter refers to the alarms configured by LINK 2 those corresponding to the digital inputs with voltage free contacts and or the p
4. Operating conditions Operating temperature 0 to 50 C Operating humidity 20 to 80 RH non condensing Storage temperature 20 to 70 C Storage humidity 0 to 80 RH non condensing Environmental pollution normal Category of resistance to fire and heat UL 94 V0 PTI of insulating materials 2250V Classification according to protection against electric shock to be integrated into class I and II devices Software class and structure A Warning P the adjustments on the front panel should be carried out with the operator earthed to avoid creating electrostatic discharges Carel code 4030220241 Rel 1 0 dated 19 September 03 40 NOTES CARE Technology amp Evolution CAREL S p A Via dell Industria 11 35020 Brugine Padova Italy Tel 39 049 9716611 Fax 39 049 9716600 http www carel com e mail carel carel com Agency Cod 030220241 Rel 1 0 dated 19 September 2003
5. 2 22 2 0 2002 m Te 13 3 4 Description of the parameters 17 3 5 Alarms 23 3 6 Signals 24 3 7 Setting the parameters via the serial connection or hardware key 25 3 8 Default configuration 2 222 92 92 2202 22 22 02 eT 27 4 Operation 28 4 1 Analogue inputs 28 4 2 Digital inputs 28 5 Practical examples 31 5 1 Multiplexed cabinets 31 5 2 Cold rooms 32 53 Compressor Racks 33 6 Meaning of the LEDs
6. Set the high and low temperature thresholds above and below which the alarm signals are activated H 4 L 4 To set a delay time if the probe exceeds the high low thresholds modify parameter R 4 Modify the probe offset by setting parameter O 4 and the probe reading variation by setting parameter DS 4 as required It is very important to associate this probe with a digital input parameter N1 2 3 4 so as to monitor the progress of this function In this way the high and low temperature alarms will be disabled during the defrost for this probe Connect digital input 1 to the evaporator defrost status signal In general when the defrost is in progress in the cold room the digital input of the I O module is closed Using the parameter Al type of input 1 configure the input for the function DEFROST 3 Associate a temperature probe probe 4 with input 1 using the parameter N 4 1 to disable the alarms for that probe Set the defrost duration time using the parameter D 1 relating to this input During this period the high and low temperature alarms detected by probe 4 associated with this digital input will be automatically disabled If a probe 4 alarm delay has also been set R4 the high low temperature alarm will be disabled for the time D 1 R 4 The mode for signalling the end of the defrost can be selected for the signal to the supervisor only set the parameter MTD 1 0 signal only to activate an alar
7. input 2 30000 seconds alarm delay 0 immediate alarm defrost timeout 0 infinite alarm disable time 0 infinite maximum cleaning m time 0 immediate timeout seconds 0 normal input read only 1 alarm with input open alarm with input closed B detect defrost 4 disable general alarms 5 detect cleaning cycle Alarm delay seconds dig input 5 30000 seconds alarm delay 0 immediate alarm defrost timeout a infinite alarm disable time infinite maximum cleaning cycle time immediate timeout Bu Alarm maintenance time seconds dig input f KE 1 Bis 30000 MTDS Signal if defrost timeout from input 5 0 signal to supervisor only 1 alarm signal to supervisor DIG INPUT 6 valid for MOD 1 3 5 0 normal input read only 1 alarm with input open alarm with input closed B detect defrost 4 disable general alarms 5 detect cleaning cycle Alarm delay seconds dig input 6 30000 seconds alarm delay 0 immediate alarm defrost timeout a infinite alarm disable time infinite maximum cleaning cycle time immediate timeout A 2m maintenance time seconds dig input If AG l Bei 30000 MTD6 TE if defrost timeout from input 6 0 signal to supervisor only 1 alarm signal to supervisor Carel code 030220241 Rel 1 0 dated 19 September 03 13 I O Module ANALOGUE INPUT FUNCTIONS MOD Type of instrument configuration of digital 0 INTC 2NTC 3NTC 4NTC land analogue inputs 1
8. 2 Run the programming software supplied by Carel when prompted to activate the macro click OK to proceed 3 Select the READ button the program will automatically read the parameters on the key When the LED on the key is red the data transfer is in progress Once the parameters have been read from the key the LED will be green The key can now be removed from the connector 2 Pe am pieces cmi Sarees fies fied Gees RT MT denn a Dag ane a e LETT Read the parameters saved on the key previously read from the I O module these are displayed in the blue column SCRI Write the parameters to the key values previously set in the yellow column e DEFAULT Load the default values of the parameters into the write column e CONF Create the file used to configure the I O module via Dtest PlantVisor or Modi check the name and the path in the CONFIG sheet The drop down toolbar allows access directly to the various groups of parameters without needing to use the PG UP or PG DOWN keys 3 8 Default configuration The I O module s are supplied preprogrammed with default parameters providing for applications that require four NTC probes and two digital inputs with voltage signals for example the control of a refrigerated cabinet with multiple evaporators PARAMETER DEFAULT NOTE MOD 0 1 NTC 2NTC 3 NTC 4NTC DII and DI2 opt
9. 2 3 4 the high low temperature alarm will be disabled for the time D 1 R 1 2 3 4 The mode for signalling the end of the defrost can be selected for the signal to the supervisor only set the parameter MTD 1 0 signal only to activate an alarm at the end of the defrost select the parameter MTD 1 1 signal alarm The alarm maintenance time in seconds for digital input 1 DK 1 is not considered even if set as for this function the signal alarm 1s automatically reset at the start of the following defrost Carel code 4030220241 Rel 1 0 dated 19 September 03 31 7 8 5 2 I O Module Connect digital input 2 to the compressor or solenoid status signal In general when the chiller is in operation the digital input is closed Using the parameter A2 type of input 2 configure the input for the function READ ONLY 0 This function is used to display the status of this input on the supervisory system ON OFF This function disables the delay times D 2 the maintenance time DK 2 and the alarms general alarm AG and input 2 alarm AF2 It is in fact a read only function Configure the relay for use as an auxiliary from the supervisor Set the parameter OUT 0 relay not linked to the internal alarms The relay can now be used to activate deactivate a remote alarm the fans a siren a light or only for the alarms enabled by the matrices LINK1 and LINK2 This function is linked to the parameter RELE ON OFF rel
10. AHW hardware alarm signa ooo S AA AAA ee ed 40 R W TD1 defrost timeout input 1 signal or alarm 41 R W TD2 defrost timeout input 2 signal or alarm oo o 42 R W TD3 defrost timeout input 3 signal or alarm Not man 44 R W TDS defrost timeout input 5 signal or alarm oo o TD6 defrost timeout input 6 signal or alarm a CT cleaning cycle timeout signal Rei AA er CT e___ G i AAA al i iaia 48 R EAT S 52 R W BUZZER ON OFF from serial y 3 R W X JRELEI ONOFF fromserial Carel code 030220241 Rel 1 0 dated 19 September 03 38 I O Module 8 Dimensions I amp 5 4 15 GO bh 36 4 Lig 9 Technical specifications Power supply model IOM 230 230Vac 10 10 50 60 Hz model IOM 115 115Vac 10 10 50 60 Hz model IOM 024 24Vac 10 10 50 60 Hz power input 4VA rated power 2 7VA Digital inputs DI1 DI2 voltage contacts 230Vac for model IOM 230 115Vac for model IOM 115 24Vac for model IOM 024 maximum distance lt 10 m DI5 DI6 on S1 S2 voltage free contacts 10mA maximum distance 10 m Analogue inputs S1 S2 S3 S4 Carel standard NTC 10k at 25 C range of measurement 50 to 90 C maximum distance 10 m S3 54 4 20mA or 0 5Vrat probes maximum distance 10 m Analogue input resolution NTC probe 0 1 C 4 20mA probe maximum resolution in re
11. Connecting the digital inputs Digital 1 2 optically isolated POWER Vac opto Vaz opto puma pa Terminals DI1 DI2 and COM can be used to connect two digital inputs with voltage signals EJ om Jcomf o z ron 115 The power supply to the inputs depends on the model of the instrument as per the table below MOD POWER SUPPLY 10M0023000 230Vac 10M0011500 115Vac IOM0002400 24Vac Warning other devices should not be connected to inputs ID1 and ID2 for example relay coils In the specific case of the 230Vac inputs if necessary install the dedicated RC filter in parallel with the coil L ONTROL F pi 1 00 du ACTUATOR COR RC filter Characteristics Voltage supported D Ma I tL 1 0 5 uF 100R 250Vac 24 115V N pp eed 2 0 5 uF 100R 400Vac 230V COM Digital 5 6 free contacts If configured as digital inputs using the instrument operating parameters digital inputs with voltage free contacts can be connected to terminals DIS GND DI6 GND according to the diagram below NTC 7 NTC u Warning Check that the configuration of the inputs on the instrument corresponds to the number and the type of the probes and digital inputs that will be connected 2 5 Connecting the analogue inputs 2 5 1 NTC probes If the inputs are configured using the instrument operating parameters for NTC probes standard Carel NTC probes can be connected to terminals SI GND S2
12. DI 5 DI 6 3NTC 4NTC 2 INTC 2NTC 3 4 20mA 4 4 20mA 3 DI 5 DI 6 3 4 20mA 4 4 20mA 4 INTC 2NTC 3 5Vrat 4 5Vrat with range 0 5 4 5 5 DI 5 DI 6 3 5Vrat 4 5Vrat with range 0 5 4 5 6 INTC 2NTC 3 5Vrat 4 5Vrat with range 0 5 4 5 7 DI 5 DI 6 3 5Vrat 4 5Vrat with range 0 5 4 5 The probe fault alarms AS3 ASA are not active for the 5V ratiometric probes PROBES Number of probes present ANALOGUE INPUT 1 valid for MOD 0 den i ith digital i 2 3 l dig input 1 dig input 2 3 not associated not associated R1 Alarm delay minutes high and low 0 255 20 minutes hresholds probe 1 Filter for probe 1 0 fast response 15 15 slow response uM ee Variation in readings probe 1 for 0 1 5 0 0 5 C F transmission to the supervisor ANALOGUE INPUT 2 valid for MOD 0 2 4 Probe 2 associated with digital input 1 2 3 1 dig input 1 dig input 2 B not associated PP Pr HR HHH not associated High alarm threshold for probe 2 Max end L2 1000 0 100 0 C F scale alarm disabled Low alarm threshold for probe 2 Min end 200 0 H2 100 0 C F scale alarm disabled Alarm delay minutes high and low 255 20 minutes hresholds probe 2 F2 Filter for probe 2 0 fast response 15 15 slow response DS2 Variation in readings probe 2 for 0 1 5 0 0 5 C F transmission to the supervisor Carel code 030220241 Rel 1 0 dated 19 September 03 14 I O Module ANA
13. Modify the probe offset by setting parameter O 4 and the probe reading variation by setting parameter DS 4 as required For this type of application the association of the probes with the digital inputs has no meaning Carel code 030220241 Rel 1 0 dated 19 September 03 33 4 5 6 7 8 I O Module Connect digital input 1 to the compressor 1 or solenoid 1 status signal In general when in operation the digital input is closed Using the parameter Al type of input 1 configure the input for the function READ ONLY 0 This function is used to display the status of this input on the supervisory system ON OFF This function disables the delay times D 1 the maintenance time DK 1 and the alarms general alarm AG and input 1 alarm AF1 It is in fact a read only function Connect digital input 2 to the compressor 2 or solenoid 2 status signal In general when in operation the digital input is closed Using the parameter A2 type of input 2 configure the input for the function READ ONLY 0 This function is used to display the status of this input on the supervisory system ON OFF This function disables the delay times D 2 the maintenance time DK 2 and the alarms general alarm AG and input 2 alarm AF2 It is in fact a read only function Connect digital input 5 to the compressor 3 or of the solenoid 3 status signal In general when in operation the digital input is closed Using the parameter A
14. analogue input is associated with a high threshold Hy and low threshold Ly The high and low alarms are signalled by the variables ATyH and ATyL The high and low alarm signals can be delayed to avoid false signals using the parameter Ry The instrument can also signal probe errors using the variables ASy The reading of the probes can be filtered to allow a more stable measurement in noisier environments using the parameter Fy The reading of the probes can also be compensated using an offset Oy 4 20 Digital inputs The instrument can read according to the parameter MOD 2 digital inputs with voltage free contacts and 2 optically isolated digital inputs The status of the inputs digital variable DIx is sent via the serial line to the supervisory system for monitoring 4 2 1 Configuration of a digital input as read only DII and DI2 are always active In the case of DIS and DI6 set MOD 1 3 5 or 7 to enable the reading of the digital input Set the parameter corresponding to digital input Ax 0 No probe needs to be associated with the digital input The delay time Dx and maintenance time DKx are not enabled 4 2 2 Digital input as normally open or normally closed alarm The status of the digital input is monitored as a normally open or normally closed alarm The physical status of the digital input is monitored using the variable DIx If the alarm status is present for a time greater than Dx the alarm signal AFx is act
15. digital variable N 1 2 3 4 Parameter that associates the instrument probes y 1 2 3 4 with the digital inputs x 1 2 5 6 This parameter is important in the disable alarms during defrost function If the probe y is associated with digital input x Ny x and digital input x has the function of detecting the defrost status Ax 3 during the defrost digital input x closed the high and low temperature alarms are ignored on input y At the end of the defrost the high and low temperature alarms are enabled again with the high and low temperature alarm delay time Warning probes 1 and 2 and digital inputs 5 and 6 share the same terminals and are mutually exclusive Therefore associating digital inputs 5 and 6 with probes I and 2 has no meaning H 1 2 3 4 This sets the high alarm threshold relating to probes 1 2 3 4 When the high alarm threshold is exceeded the signal ATyH is activated with y 1 2 3 4 Max end scale alarm disabled L 1 2 3 4 Sets the low alarm threshold relating to probes 1 2 3 4 When the low alarm threshold is exceeded the signal ATyL 1s activated with y 1 2 3 4 Min end scale alarm disabled R 1 2 3 4 This sets the high and low alarm delay time in minutes The alarm is signalled after the time Ry from when the high or low threshold is exceeded F 1 2 3 4 This sets the digital filtering on the values measured The value 0 corresponds to low filtering and therefore hig
16. files generated can also be defined if the directory is not already present it is created automatically ee Carsaniisliche programma di configurate isa chiave por LO RADOS E Corneal tid com LO MOLE versione Mira 1 0 Conlara miero pora paraliole Jo 3 ame flle temporanee per imp b lefiara ucrirtura protette Io 3 pito Rame file configarariane parametri mm tut can est defuit indie tf Rame fle cenfigarariang garamatri ama lg da superctonen dilauli Vries p cha Path Bla genial temp Writing the parameters to the key using the programming software 1 Insert the key in the special connector 4 pin AMP on the programming card connected to the PC 2 Runthe programming software supplied by Carel when prompted to activate the macro click OK to proceed 3 Modify the parameters according to the desired configuration making sure not to exceed the pre set range of values 4 Select the WRITE button the system will automatically copy the selected parameters to the key When the LED on the key 1s red the data transfer is in progress Once the key has been programmed the LED will be green The key can now be removed from the connector and used to program the instruments Carel code 4030220241 Rel 1 0 dated 19 September 03 26 Reading the parameters on the key using the programming software Insert the key in the special connector 4 pin AMP on the programming card connected to the PC I O Module
17. not powered check if the power supply is inserted correctly or if the instrument is properly connected to the cable Yellow LED on data communication in progress Yellow LED off no communication with the supervisory system Red LED off no alarms present Red LED flashing alarm active probe fault alarm thresholds exceeded alarms timeout Red LED on alarms disabled Buzzer Activated according to settings of the corresponding parameters Other types of alarms are sent via RS 485 to the master CAREL device or supervisory software Carel code 4030220241 Rel 1 0 dated 19 September 03 34 I O Module 7 Control parameter database Normal Read write Description Management analogue 1 Status Read write Description Management analogue S1 value probe 1 S2 value probe 2 A TAE y 24 R ESA 0 ee NE Normal Read write Description Management integer RW MOD type of instrument o S y a SE 2 R W__ PROBES number of probes present o S y ded et 3 R W Al type ofinput S y 4 RW X J A2tyeofimput2 y 6 RW X JIAdypofimut4 Nota 7 Rw AE 8 Rw A6 typeofinput o 0 CA a ee dlt lz _ _ amp amp Glibj Wi lt ji R W D1 seconds alarm delay defrost timeout alarm disable time or maximum cleaning cycle NEIN time for input 1 FERE D2 seconds alarm delay defrost timeout alarm disable time or maximum cleaning cycle az time fo
18. produced by the controller equal to 20 C 6 protect the power supply to the loads connected to the controller compressor defrost fan etc using suitable devices thermal magnetic overload switches circuit breakers rated according to the corresponding loads connected Safety for operators and precautions when handling the controller To protect the safety of operators and safeguard the controller before performing any operations on the board disconnect the power supply Electrical damage to the electronic components is almost always due to electrostatic discharges caused by the operator Adequate measures must be adopted for these types of components in particular before handling the controller touch an earthed part simply not touching a component is not sufficient as a 10 000V discharge a voltage that can easily be reached by static electricity causes an arc of around cm the parts must remain where possible inside their original packaging If the controller needs to be removed from the packaging transfer the product to antistatic packaging without touching the rest of the controller avoid in all circumstances the use of non antistatic plastic polystyrene or sponge bags avoid in all circumstances handing the material from one operator to another to avoid electrostatic induction and consequent discharges CONTENTS 1 Introduction
19. the polarity of the cables is correct Power supply make sure that the instrument is not connected to a power supply other than the one described in the technical specifications Avoid installing the module in environments with the following characteristics relative humidity higher than the value specified in the technical specifications heavy vibrations or knocks exposure to continuous jets of water exposure to aggressive and polluting elements e g sulphur and ammonia gases saline mist smoke which may cause corrosion and or oxidation high magnetic and or radio frequency interference thus avoid installation near transmitting antennae exposure of the I O module to direct sunlight and atmospheric elements in general large and rapid fluctuations in ambient temperature environments where explosives or mixes of flammable gases are present exposure to dust formation of corrosive patina with possible oxidation and reduction of insulation Connecting the controllers use cable terminals that are suitable for the terminals being used each screw and insert the cable ends then tighten the screws once this operation has been completed lightly tug the cables to check that they are sufficiently tight separate as much as possible the probe digital input and supervisory network cables from cables carrying inductive loads and power cables to avoid any electromagnetic disturbance never lay power cables and probe digital
20. the variables ATyH and ATyL Carel code 4030220241 Rel 1 0 dated 19 September 03 28 I O Module Configuring a digital input for detecting defrost status 1 Install a temperature control probe on the cabinet or in the cold room Set the high and low temperature thresholds above and below which the alarm signals are to be activated H y L y To set a delay time if the probe exceeds the high low thresholds modify the parameter R y Modify the probe offset by setting parameter O y and the probe reading variation by setting parameter DS y as required 2 Set the parameter Ax 3 3 Associate the digital input with the probe y by setting Ny x in this way during the defrost the high and low temperature alarms will not be signalled 4 Set the maximum defrost time using parameter D x 5 Set the defrost timeout signal mode using parameter MTD x O signal only alarm signal 6 The time DKx is not active in this function Diagram of normal defrost operation A Dx i i lt i Ry Return below the Temperature i lt i gt threshold before i i the delay time the i i i probe alarm delay time is reset Exceeding of the threshold ignored as defrost in progress TDx ATyH Diagram with defrost timeout and alarm d Er Terrparalura O io enged by Brei letrada ra Heya aam If a probe alarm delay has also been set R 1 2 3 4 the high low temperature alar
21. to be only be performed once to configure the programming mode of the instrument on the key 2 connect the key to the Key port on the instrument 3 press and hold the button on the key checking the sequence of the LEDs red and after a few seconds green 4 ifthe signalling sequence is as described above the write operation to the I O module has been completed correctly green LED on the button can be released and the key disconnected from the instrument 5 in the event of different signals the green LED does not come on or the LED flashes a problem has occurred see the key instruction sheet PPOPZKEY00 Copying the parameters from the instrument to the Carel hardware key PSOPZKEY00 Reading the parameters on the instrument with the key 1 open the rear cover on the key and place the two dipswitches in the OFF position Close the cover 2 connect the key to the port on the instrument 3 press and hold the button on the key checking the sequence of the LEDs red and after a few seconds green 4 if the signalling sequence is as described above the reading and copy operation to the key has been completed correctly green LED on the button can be released and the key disconnected from the instrument 5 in the event of different signals the green LED does not come on or the LED flashes a problem has occurred see the key instruction sheet PSOPZKEYOO Carel code 030220241 Rel 1 0 dated 19 September 03 25 I O Module
22. 03 3 I O Module 1 2 User interface e POWER LED Green On when the I O module is powered correctly e SERIAL LINE LED Yellow ata bre rad When on indicates connection to the supervisory system sam e ALARM LED Red Ne bn If off normal operation ADR If on signals that the alarms are disabled If flashing indicates a current alarm e Key Fasi The connector is used to connect the programming key for reading writing the controller s operating parameters I O module PSOPZKEY00 e 2 rotary switches BCD 0 9 Adjustable from 0 to 99 used to set the serial address of the controller Network ADdRess in the monitoring system e RESET button The button on the instrument is used to mute the built in buzzer see the paragraph on Alarms Carel code 030220241 Rel 1 0 dated 19 September 03 4 I O Module 2 Installation The I O module can manage analogue inputs optically isolated digital inputs with a voltage signal and voltage free contacts Specifically e DIL DI2 e SLS2 e S3 84 e Vcc e Vac e RS485 e Relay NTE MA SV NTC mA 5Y NTE SS NC 9 RS 485 suo fee oo uc ee N Dii comf Die nc no POWER Vaeopio Vac opto A optically isolated digital input with voltage signal ME DI eli Vac opto Va opto inputs that can be configured as NTC probe inputs or digital inputs with voltage free contacts DIS DI6 NTC 25 NTC z1 52 dca inpu
23. 2 that is digital input x is configured as an alarm normally closed or open the parameter Dx establishes the alarm delay time in seconds between the physical activation of the alarm and the activation of AFx see the description in the table of alarms above If Ax 3 that is digital input x has the function of detecting the defrost status the parameter Dx establishes the defrost timeout in seconds that is the time after which the timeout TDx is signalled and the monitoring of the temperature is reset even if the defrost is still active If Ax 4 that is digital input x has the function of disabling the alarms ATyH ATyL AFx TDx the parameter Dx establishes the disabling time in seconds Dx 0 Undetermined time while the input is closed Dx lt gt 0 Disable for the time Dx If Ax 5 that is digital input x has the cleaning cycle function the parameter Dx establishes the cleaning cycle time in seconds over which the controller sends the signal CT In any case the alarms ATyH ATyL AFx TDx are ignored while digital input x remains closed DK 1 2 5 6 If an alarm from digital input is detected Ax 1 2 this is maintained after deactivation for a time in seconds equal to DKx The function is not active if applied to the defrost the disable alarm function and the cleaning cycle MTD 1 2 5 6 This is a digital variable whose setting defines whether to enable the alarm signal a
24. 3 7 1 Access from the supervisory system PlantVisor To program the parameters directly on the instrument the Carel PlantVisor supervisory system must be installed correctly on a PC with the necessary system requirements After setting the serial address in the software to the same value as set on the instrument using the two rotary switcheson the user interface click the mouse on the parameters icon on the top right to access the window with the complete list of e parameters in the instrument the configuration can be modified by placing the cursor directly on the desired parameter Each item features an explanation of the possible values that can be set When modifying the values it is recommended to refer to the list of parameters and their description in the user manual supplied with the product or the section Description of the parameters in this manual Once the most suitable configuration has been selected click the mouse on the grey SEND button at the bottom of the PlantVisor start page The parameters have now been successfully modified For further details refer to the PlantVisor technical manual 3 7 2 Hardware key The hardware key is used to program the instruments simply and quickly without needing to connect it to the power supply Programming the instrument with the Carel hardware key PSOPZKEY00 1 open the rear cover on the key and place dipswitch no 2 in the ON position Close the cover again this needs
25. 3 7 3 Optional software for programming the key The key programming software OPTIONAL and programming interface can be used to write the instrument operating parameters to the key The specific software for programming the key needs to be installed on a PC Installation of the additional software for programming the key e Connect the programming interface to the parallel port LPT on the PC using the flat cable supplied e Insert the connector on the key into the connector on the interface e Install the program by running the file setup exe on the installation CD e Open Excel 2000 and set medium level of protection for macros TOOLS MACRO PROTECTION in this way the macros if present can be activated as desired by the user in response to the message shown when the worksheet is opened e Now open the Excel sheet from the START menu as follows START ALL PROGRAMS CAREL VOM configurator click the left mouse button or alternatively double clicking the icon on the desktop e Once the sheet for programming the system has been opened the system will prompt the user whether to activate or deactivate the macro to use all the functions choose ACTIVATE MACRO ese Fraser arena tla abn parc Baer unsre m th diahir e mersa a cra 5 pardans aicung e Select the address of the parallel port used see config sheet the numbers are expressed in hexadecimal format and the default value is 378 The path for saving the
26. 4L Minimum value for probe 4 as 4 20mA or 200 0 V4H bar MOD 10 of 5V ratiometric signal 2 3 4 5 6 7 V4H Maximum value for probe 4 as 4 20mA or VAL 1000 0 30 0 bar MOD 190 of SV ratiometric signal 2 3 4 5 6 7 RELAY OPERATING MODES OUT Select relay operating mode 0 Relay set via serial 2 1 1 Relay linked to alarms ATy H ATyL ASy IAFx TDx if alarm selected 2 Relay y linked to alarms ATyH ATyL ASy IAFx TDx with Ny x Envisaged on future models x index of digital input 1 2 5 6 y index of probe input 1 2 3 4 M ANALOGUE INPUT 4 ODE Relay status at normal condition 0 Relay 1 N O 15 OUT 0 1 Relay 1 N C 2 15 not managed Carel code 030220241 Rel 1 0 dated 19 September 03 15 I O Module AFS AS1 AT1L AT1H 4096 AF6 AS2 AT2L AT2H 256 AS3 AT3L AT3H 16 AS4 AT4L AT4H 1 matrix of output status according to the alarm 1 2 matrix of output status according to the alarm 2 2 AFS ASI ATIL AT1H 4096 AF6 AS2 AT2L AT2H 256 AS3 AT3L AT3H 16 AS4 AT4L AT4H 1 PRIORITY Priority of output status in the event of IRELAY 1 1 energised OUT 0 multiple alarms IRELAY 1 0 de energised ALCOMM Status of the outputs in the event of IRELAY 1 from 0 to 15 save last status 0 31 0 OUT 0 communication alarms IENABLE 16 relay de energised IEN ABLE 16 1 17 relay energised the value to be set is obtained by adding the numbers corresponding to the i
27. 5 type of input 5 configure the input for the function READ ONLY 0 This function is used to display the status of this input on the supervisory system ON OFF This function disables the delay times D 5 the maintenance time DK 5 and the alarms general alarm AG and input 5 alarm AF5 It is in fact a read only function Connect digital input 6 to the main electrical panel or an alarm device linked to the compressor pack Using the parameter A6 type of input 6 configure the input for the function ALARM WITH INPUT OPEN 1 or ALARM WITH INPUT CLOSED 2 This function is used to display the status of this input on the supervisory system ON OFF as well as to activate an alarm An alarm delay time or disable time can be set D 6 which starts after the opening if A6 1 or the closing if A6 2 of the digital input The parameter DK 6 on the other hand is the alarm maintenance time that is the period that the alarm remains on for when the input returns to its initial status closed A6 1 open A6 2 Configuring the relay as linked to the internal alarms Set parameter OUT 1 relay linked to internal alarms The relay will now be activated deactivated by an alarm detected by the instrument This function is linked to the MODE parameter relay energised de energised at rest 1 normally energised 0 normally de energised 6 Meaning of the LEDs Green LED on device correctly powered Green LED off device
28. 52 LINK2 This refers to the alarms from the digital inputs with voltage free contacts AF5 and AF6 if selected in place of probe S1 and S2 The same configuration procedure used for LINK 1 is also used for this parameter For AF5 the value to be set is 4096 for AF6 256 and for both the sum of the two values If SI and S2 are configured in the place of DI 5 and DI 6 setting the value 4096 enables the probe 1 threshold exceeded AT1H and ATIL and probe 1 fault alarms AS1 On the other hand setting the value 256 enables the probe 2 threshold exceeded AT2H and AT2L and probe 2 fault alarms AS2 As regards probe S3 to activate the relay for the alarms AS3 and AT3L or AT3H set the value 16 and set the value 1 for AS4 and ATAL or AT4H relating to probe S4 As in the case of the previous parameter the sum of the values set will enable the relay with the corresponding alarms Example 1 To activate the internal relay only when an alarm from digital input DI and DI2 AF1 and AF2 is activated and when a probe 3 threshold exceeded error occurs AT3L or AT3H for the parameter LINK1 set the value 4096 256 4352 to activate AF1 and AF2 while for the parameter LINK2 set the value 16 OUTLI OUTL2 If OUT and after having correctly set the parameters LINK1 LINK2 the parameters OUTL1 and OUTL2 can be used to establish the status ofthe relay for each type of alarm at the moment of activation
29. GND S3 GND and S4 GND according to the diagram below wet gip ate iw Di CHE ME EAE ti ums Carel The two NTC probe wires are identical no special polarity is required when connecting these to the terminal block STC mk Fi Carel code 030220241 Rel 1 0 dated 19 September 03 oo WO Module 2 5 2 4 20mA probes If configured using the instrument operating parametersas current inputs 4 20mA probes can be connected to terminals S4 GND S3 GND and Vcc according to the diagram below Active probes with 3 wires NTC mA 5V NTC mA 5V terrai HA Note for the power to the active probes the three wires each have a different polarity OUT probe corresponds to Sy on I O module terminal block probe corresponds to VCC on I O module terminal block probe corresponds to GND on I O module terminal block Active probes with 2 wires NTC mA SV NTC mA 5V HA Nota con si indica il filo di alimentazione della sonda con OUT il filo di uscita della sonda segnale 4 20mA Italian picture change to English 2 5 3 0 5V ratiometric probes If configured using the instrument operating parametersas ratiometric inputs 0 5V ratiometric probes can be connected to terminals S4 GND S3 GND and Vcc according to the diagram below KEE dici Mia NOTE indicates the probe power wire OUT the probe output 5V rat sig
30. I O module Carel retrofit controller LEGGI E CONSERVA gt QUESTE ISTRUZIONI 4 READ AND SAVE THESE INSTRUCTIONS CAREL HEN VE Technology amp Evolution LEGGI E CONSERVA gt QUESTE ISTRUZIONI lt READ AND SAVE THESE INSTRUCTIONS We wish to save you time and money We can assure you that the thorough reading of this manual will guarantee correct installation and safe use of the product described IMPORTANT WARNINGS BEFORE INSTALLING OR OPERATING ON THE APPLIANCE CAREFULLY READ THE INSTRUCTIONS IN THIS MANUAL This equipment has been designed to operate without risks for the specifiied purpose as long as the installation operation and maintenance are performed according to the instructions in this manual and the environmental conditions and supply voltage fall within the values indicated here below Any other use or changes which have not been previously authorised by the manufacturer are considered improper Liability for injures or damage caused by improper use lies exclusively with the user Note some electrical components of this instrument are live thus all service or maintenance operations must be performed by expert and skilled personnel only aware of the necessary precautions to be taken Before accessing internal parts disconnect the power supply Disposal of the parts of the controller The controller is made up of metal and plastic parts All these components must be disposed of according to the lo
31. LOGUE INPUT 3 1 dig input 1 1 3 dig input 2 B not associated not associated 5 dig input 5 if MOD 1 3 5 7 6 dig input 6 if MOD 1 3 5 7 N3 H3 High alarm threshold for probe 3 Max end L3 1000 0 100 0 C F bar scale alarm disabled F3 03 L3 Low alarm threshold for probe 3 Min end 200 0 H3 100 0 C F bar scale alarm disabled R3 Alarm delay minutes high and low 255 20 minutes hresholds probe 3 Filter for probe 3 0 fast response 15 15 slow response 03 pre ELO o fF 0 1 5 0 DS3 Variation in readings probe 3 for 0 5 C F bar transmission to the supervisor V3L Minimum value for probe 3 as 4 20mA or 200 0 V3H bar MOD 10 of SV ratiometric signal 2 3 4 5 6 7 V3H Maximum value for probe 3 as 4 20mA or V3L 1000 0 30 0 bar MOD 90 of SV ratiometric signal 2 3 4 5 6 7 1 dig input 1 1 4 dig input 2 B not associated not associated 5 dig input 5 if MOD 1 3 5 7 6 dig input 6 if MOD 1 3 5 7 High alarm threshold for probe 4 Max end L4 1000 0 100 0 C F bar scale alarm disabled L4 Low alarm threshold for probe 4 Min end 200 0 H4 100 0 C F bar scale alarm disabled Alarm delay minutes high and low 255 20 minutes hresholds probe 4 F4 Filter for probe 4 0 response slow 15 15 response fast DS4 Variation in readings probe 4 for 0 1 5 0 0 5 C F bar transmission to the supervisor V
32. alarms detected This status will have priority over the setting made by the supervisory system In this way the I O module can be made to promptly react to a number of alarms that are considered important independently from the speed and the traffic on the supervisory network One such example is a compressor thermal overload switch that must immediately stop the compressor The parameters LINK 1 and LINK 2 can be used to link the relay output to the sources of the alarm The status of the relay according to the alarms assigned by LINK 1 and LINK 2 is determined by the parameters OUTL 1 and OUTL 2 If more than one alarm is activated linked to the same relay with a different output status the PRIORITY parameter can be used to define the priority of the output status For example a condenser fan may be linked to a high condensing pressure alarm and a fan thermal overload alarm The high pressure alarm starts the fan and the thermal overload alarm stops it PRIORITY can be used to establish that stopping the fan is the preferential status when both alarms occur The ALCOMM parameter on the other hand can be used to establish the status of the relay if OFF LINE is detected for more than 5 minutes The status of the relay can also be decided when starting the instrument depending on the device that will be connected RELE PWUP 0 Open RELE PWUP 1 Closed 3 2 2 Configuring the relay as being linked to the internal alarms Se
33. arameter MOD as required As regards the cabinet the appropriate configuration is 4 NTC and 2 optically isolated DI MOD 0 Declare which probes are present PROBES 1 2 3 4 15 and the desired temperature scale CF Centigrade Fahrenheit 2 Apply probe 1 to the first unit to measure the temperature of the cabinet E Z5 JN Am dl NU WE wk Ade A A A Set the high and low temperature thresholds above and below which the alarm signals are activated H 1 L 1 To set a delay time if the probe exceeds the high low thresholds modify parameter R 1 Modify the probe offset by setting parameter O 1 and the probe reading variation by setting parameter DS 1 as required 3 Apply probe 2 to the evaporator on the second unit to measure the temperature of the cabinet Set the high and low temperature thresholds above and below which the alarm signals are activated H 2 L 2 To set a delay time if the probe exceeds the high low thresholds modify parameter R 2 Modify the probe offset by setting parameter O 2 and the probe reading variation by setting parameter DS 2 as required 4 Apply probe 3 to the evaporator on the third unit to measure the temperature of cabinet 3 Set the high and low temperature thresholds above and below which the alarm signals are activated H 3 L 3 To set a delay time if the probe exceeds the high low thresholds modify parameter R 3 Modify the probe offset by setting paramet
34. ay energised de energised at rest 0 normally open 1 normally closed The status of the relay can also be decided when starting the instrument depending on the remote that will be connected RELE PWUP 0 Open RELE PWUP 1 Closed Cold rooms The instrument can be used to monitor a cold room and in particular the temperature inside the cold room the correct operation during defrost of the circuit the status of the fans and the status of an auxiliary function such as opening the door Configuration for cold rooms att To set the I O module to monitor the operation of a cold room 1 2 3 4 5 Configure the type of the inputs using the parameter UT i TA MOD as required As regards the cold room the most suitable configuration is 2 NTC 2 DI and 2 optically isolated DI MOD 1 Declare which probes are present PROBES 3 4 12 and the desired temperature scale CF Centigrade Fahrenheit Apply probe 3 to the thermostat sensor to monitor the inside temperature Set the high and low temperature thresholds above and below which the alarm signals are activated H 3 L 3 To set a delay time if the probe exceeds the high low thresholds modify parameter R 3 Modify the probe offset by setting parameter O 3 and the probe reading variation by setting parameter DS 3 as required Apply probe 4 to the evaporator on the cold room to measure the temperature before during and after defrosting
35. cal legislation in force on waste disposal General warnings operating environments and connections The following conditions represent correct installation 1 avoid installing the instrument in environments featuring wide and rapid fluctuations in room temperature temperature and relative humidity values near the limits exposure to any jets of pressurised water high levels of electromagnetic and or radio frequency interference e g transmitting antennae 2 use cable terminals that are suitable for the terminals being used Loosen each screw and insert the cable ends then tighten the screws Once this operation has been completed lightly tug the cables to check that they are sufficiently tight 3 To avoid electromagnetic disturbance separate as much as possible probe and digital input cables from cables carrying inductive loads and power cables Never lay power cables and probe cables in the same conduits including those for electrical cables Do not install probe cables in the immediate vicinity of power devices contactors circuit breakers or the like 4 reduce the distance of sensor cables as much as possible and avoid laying spiral paths around power devices To extend probe cables use cables with a minimum cross section of at least 0 5 mm 5 the cables to be connected to the contacts of the controller must be resistant to the maximum operating temperature determined by summing the maximum room temperature envisaged to the heat
36. conds ordi H6 RW DK ala delay time in seconds for digiti E Carel code 030220241 Rel 1 0 dated 19 September 03 36 I O Module Normal Read write Description Management digital BUZ selection of the buzzer operating modes Baci A AA i y ao eo o ooYWwm y e i i CF Centigrade Fahrenheit selection 3 RW MTD defrost timeout mode input o S 4 RW MTD2 defrosttimeoutmodeimput2 o S 6 R W__ MTD4 defrost timeout mode input4 Notman E MTD5 defrost timeout mode input 5 18s R W__ MTD6 defrost timeout mode input 6 ko CA _______ E zz T E e 13 RW J BUZZOUT oupu y A AAA AAA e Carel code 030220241 Rel 1 0 dated 19 September 03 37 I O Module Status Read write Description Management digital a R j Dl statusofinptl __ 15 R pr2 statusofinpat ISSO 16 R DB statusofinput3 Nota 17 R Di4 statusofimput4 Nota 18 R DI5 status of input 5 only valid if selected instead of probe 1 DI6 status of input 6 only valid if selected instead of probe 2 j ATAL low alarm probe 4 AAA M AF1 input 1 alarm AF2 input 2 alarm AF3 input 3 alarm Not man AF4 input 4 alarm Not man AF5 input 5 alarm y AF6 input 6 alarm AE op Gs IR 37 R ASS probe 3 faule ar 8 R ASA probe 4 fault arm lr AR AR A AA 39 R__
37. e 3 alarm active AS4 probe 4 fault alarm this occurs when probe 4 as configured is disconnected or faulty and can therefore not measure the temperature correctly O alarm not present 1 probe 4 alarm active Carel code 4030220241 Rel 1 0 dated 19 September 03 23 I O Module TDx This is a digital variable that signals the defrost timeout status on the configured input 0 no defrost timeout 1 defrost timeout If the variable MTD digital is selected as signal alarm at end defrost by timeout that is MTD 1 after the time Dx defrost duration as well as the signal sent to the supervisor the general alarm will also be activated AHW Hardware alarm signal this occurs when the fault detected is an EPROM error or A D conversion error 0 hardware alarm inactive 1 hardware alarm active RESET button This button on the instrument is used to mute the internal buzzer the buzzer is sounded when the serial communication lacks for more than 5 minutes Irrespective of the setting of BUZ which establishes whether the buzzer is controlled via the serial connection or linked to the alarms on the instrument after 5 minutes of no serial communication pressing the button mutes the buzzer The buzzer muting function stops if the buzzer has been switched off via the serial control or because communication has returned After that if the conditions require the buzzer to sound again it will be activated and the button can be used to mute
38. e RELAY on the instrument is activated by the alarms detected internally or alternatively whether it can be controlled by the remote supervisory system There are three operating modes Value of OUT Configuration 0 Relay set via serial connection not linked to any internal alarm can be used as an auxiliary 1 Relay linked to the high low alarms ATy H ATyL probe faults ASy digital input errors AFx and end defrost by timeout TDx 2 Relay y linked to the alarms ATyH ATyL ASy AFy TDx with Ny x envisaged for future models x digital input index y analogue input index Configuring the relay as an auxiliary Set the parameter OUT 0 relay not linked to the internal alarms The relay can now be used as an auxiliary activated and deactivated by the supervisory system In this mode the instrument works as a remote I O module With this setting a certain status can be assigned to the relay according to the alarms detected This status will have priority over the setting made by the supervisory system In this way the I O module can be made to react to a number of alarms that are considered important independently from the speed and the traffic on the supervisory network One such example is a compressor thermal overload switch that must immediately stop the compressor The parameters LINK 1 and LINK 2 can be used to link the relay output to the sources of the alarm The status of the relay acco
39. ee way connectors The serial address of the instrument may be between 1 and 99 The value 0 assigns the instrument address 200 not supported in the basic version If more than one device detects an alarm and there is no serial communication for more than 5 minutes a built in buzzer will sound Warnings 1 carefully observe the polarity of the TX and TX wires 2 the maximum length of the network must not exceed 1000m branches must not exceed 5m 3 do not use star type connections in the line 4 all the instruments in the network must be powered by their own insulated power supply The secondary must not be earthed di the terminal furthest away from the RS232 RS485 serial converter must be fitted with the 120Q 14W resistor supplied between the TX and TX contacts 6 never lay the network cables near or worse in the same conduit as the power cables Carel code 030220241 Rel 1 0 dated 19 September 03 10 I O Module 3 Programming There are two parameters that determine the operating modes of the instrument MOD and OUT 3 1 Analogue and digital input configuration MOD parameter The first operation to be performed if the default configuration is not suitable for the specific application is to set the operating mode The setting of the MOD parameter is fundamental for establishing the configuration required by the operator In fact the MOD parameter is used to establish the type of analogue and digital inputs read by
40. efrigerated cabinets cold rooms maturing rooms compressor packs Inputs The I O module can manage NTC probes 4 20mA transducers pressure temperature relative humidity 0 5V ratiometric transducers pressure temperature relative humidity Voltage free digital contacts Optically isolated digital contacts with voltage signals Output Digital relay output signal or remote alarm Serial connection The I O module can manage RS485 serial communication using the Carel standard protocol and baudrate for the development of supervisory and telemaintenance systems The ideal application is together with PlantWatch and PlantVisor Accessories The controller can be configured via a serial connection or using the programming key code PSOPZKEY00 Specific software must be obtained from Carel RS485 serial data converter power supply connection cable Reading programming key for Carel controllers PSOPZKEY00 Programming key kit with serial connection PSOPZPGROO Software for programming the key Approval The quality and the safety of the I O module are guaranteed by the ISO 9001 certified design and production system The modules conform to the EN 60730 1 EN 60730 2 9 and EN61010 1 safety standards C The CE mark confirms the quality and the safety of the plug in series guaranteed by the Carel ISO 9001 certified design and production system Carel code 030220241 Rel 1 0 dated 19 September
41. er O 3 and the probe reading variation by setting parameter DS 3 as required 5 Apply probe 4 to the evaporator on the fourth unit to measure the temperature of cabinet 4 Set the high and low temperature thresholds above and below which the alarm signals are activated H 4 L 4 To set a delay time if the probe exceeds the high low thresholds modify parameter R 4 Modify the probe offset by setting parameter O 4 and the probe reading variation by setting parameter DS 4 as required It is very important to associate each probe with the same digital input parameter N1 2 3 4 so as to correctl monitor the simultaneous defrost on all the evaporators In this way the high and low temperature alarms will be disabled during the defrost time D 1 for all the probes 6 Connect digital input 1 to the evaporator defrost status signal In general when the defrost is in progress on the cabinet the digital input of the I O module is closed Using the parameter Al type of input 1 configure the input for the function DEFROST 3 Associate all the temperature probes with input 1 using the parameter N 1 2 3 4 1 to ensure that the probe alarms are disabled Set the defrost duration time using the parameter D 1 relating to this input During this period the high and low temperature alarms detected by the probes associated with this digital input will be automatically disabled If a probe alarm delay has also been set R 1
42. eter A6 type of input 6 configure the input for the function READ ONLY 0 This function is used to display the status of this input on the supervisory system ON OFF This function disables the delay times D 6 the maintenance time DK 6 and the alarms general and input 6 It is in fact a read only function ALTERNATIVELY connect digital input 6 to the auxiliary contact of the cold room or the door configuring it as an ALARM WITH INPUT OPEN A6 1 or ALARM WITH INPUT CLOSED A6 2 This function is used to display the status of this input on the supervisory system ON OFF and can activate an alarm An alarm delay time can be set D 6 which starts after the opening if A6 1 or the closing if A6 2 of the digital input The parameter DK 6 on the other hand is the alarm maintenance time that is the period that the alarm remains on for when the input returns to the initial status closed A6 1 open A6 2 8 Configuring the relay for use as an auxiliary from the supervisor Set the parameter OUT 0 relay not linked to the internal alarms The relay can now be used to activate deactivate a remote alarm the fans a siren a light or alternatively only for the alarms enabled by the matrices LINK1 and LINK2 This function is linked to the parameter RELE ON OFF relay energised de energised at rest 0 normally open 1 normally closed The status of the relay can also be decided when starting the instrument depending o
43. fter the defrost timeout 1 defrost timeout alarm enabled on supervisor 0 defrost timeout alarm not enabled on supervisor MOD Configures the analogue and digital inputs 0 INTC 2NTC 3NTC 4NTC 1 DI 5 DI 6 3NTC 4NTC 2 INTC 2NTC 3 4 20mA 4 4 20mA 3 DI 5 DI 6 3 4 20mA 4 4 20mA 4 INTC 2NTC 3 5Vrat 4 5Vrat with range 0 5 4 5 5 DI 5 DI 6 3 5Vrat 4 5Vrat with range 0 5 4 5 6 INTC 2NTC 3 5Vrat 4 5Vrat with range 0 5 4 5 7 DI 5 DI 6 3 5Vrat 4 5Vrat with range 0 5 4 5 6 7 gt For these two types of configuration the probe alarms AS3 ASA corresponding to the 5V rat probes are not active see table T3 corresponding to the probes with voltage signals inputs configured as digital Carel code 030220241 Rel 1 0 dated 19 September 03 17 I O Module PROBES Used to configure set the probes connected to the instrument 0 No probe 1 Probe 1 2 Probe 2 yz Probe 2 1 4 Probe 3 5 Probe 3 1 6 Probe 3 2 7 Probe 3 2 1 8 Probe 4 9 Probe 4 1 10 Probe 4 2 11 Probe 4 21 12 Probe 4 3 13 Probe 43 1 14 Probe 4 3 2 15 Probe 4 321 NOTE In the event of a probe error or if the probe is not present the value sent to the supervisor will be 250 0 C or 418 0 F CF Used to set the reading in degrees centigrade or Fahrenheit
44. h sensitivity the value 15 means more filtering and greater stability An intermediate value is recommended default 8 so as to achieve suitable stability O 1 2 3 4 This sets the offset value for the probes used for the calibration performed by the user The value assigned to this parameter is added to positive value or subtracted from negative value the value measured by the probes e g to lower the reading by 2 3 C set Oy 2 3 C DS 1 2 3 4 This sets the minimum difference between two successive readings of the analogue probes required to send the reading to the Carel Supervisory System If for example DS1 0 3 the value read by probe 1 will be sent to the Carel Supervisor System when the new reading has varied by at least 0 3 units This parameter establishes the hysteresis for the detection of the high and low alarms equal to 3xDSy V 3 A L This represents the value corresponding to 4mA or to 10 of the 5V ratiometric signal for analogue inputs 3 and 4 MOD V 3 4 L MOD 2 3 Value corresponding to 4mA MOD 4 5 6 7 Value corresponding to 10 of the 5V ratiometric signal Carel code 030220241 Rel 1 0 dated 19 September 03 18 I O Module V 3 4 JH This represents the value corresponding to 20mA or to 90 of the 5V ratiometric signal for analogue inputs 3 and 4 MOD V 3 4 H MOD 2 3 Value c
45. ically isolated PROBES 15 1 2 3 4 CF 0 Centigrade OUT 1 Relay linked to internal alarms MODE 0 Relay N O at rest RELE PWUP 0 Open at power up BUZ 0 Set via serial BUZZ PWUP 0 Muted at power up Al 0 Read only function DI 20 Alarm delay seconds DKI 20 Alarm maintenance time seconds MTDI 0 End defrost signal only A2 0 Read only function D2 20 Alarm delay seconds DK2 20 Alarm maintenance time seconds MTD2 0 End defrost signal only NI 1 Probe associated with input DI 1 N2 2 Probe 2 associated with input DI 2 N 3 4 3 4 Not associated to any DI H 1 2 3 4 100 High alarm threshold L 1 2 3 4 100 Low alarm threshold R 1 2 3 4 20 Alarm activation delay minutes F 1 2 3 4 8 Filter for probes 0 1 2 3 4 0 0 Offset probes DS 1 2 3 4 0 5 Variation in probe reading for transmission to master Carel code 030220241 Rel 1 0 dated 19 September 03 27 WO Module 4 Operation The Carel I O module is a device used to monitor the operating parameters of an installation with electromechanical or non Carel electronic controller and make them available to the Carel PlantWatch or PlantVisor supervisory systems 4 1 Analogue inputs The device can acquire up to 4 analogue inputs of various kinds NTC temperature probes 4 20mA probes pressure relative humidity and 5V ratiometric probes pressure The physical value depends on the type of probe connected pressure temperature relative humidity Each
46. indow ATAL low alarm probe 4 this means that probe 4 has exceeded the alarm threshold L4 This is monitored by the supervisory system inside the alarm window AFx The digital alarms are delayed by the time Dx from when detected and maintained for the time DKx when the conditions are no longer present The digital alarms feature automatic and manual reset In the case of manual reset alarms reset from the supervisor the delay times corresponding to the alarms are also reset and the monitoring cycle starts again AF1 input 1 alarm indicates that an alarm from digital input 1 is present AF2 input 2 alarm indicates that an alarm from digital input 2 is present AF3 input 3 alarm not managed AF4 input 4 alarm not managed AFS input 5 alarm indicates that an alarm from digital input 5 is present AF6 input 6 alarm indicates that an alarm from digital input 6 is present ASy AS1 probe 1 fault alarm this occurs when probe 1 as configured is disconnected or faulty and can therefore not measure the temperature correctly O alarm not present 1 probe 1 alarm active AS2 probe 2 fault alarm this occurs when probe 2 as configured is disconnected or faulty and can therefore not measure the temperature correctly O alarm not present 1 probe 2 alarm active AS3 probe 3 fault alarm this occurs when probe 3 as configured is disconnected or faulty and can therefore not measure the temperature correctly O alarm not present 1 prob
47. input or supervisory network cables in the same conduits including those in the electrical panels do not install the probe digital input or supervisory network cables in the immediate vicinity of power devices contactors circuit breakers or the like avoid powering the controller directly from the main power supply in the panel if this source of power also supplies other devices such as contactors solenoid valves etc Caution the incorrect connection of the power supply may seriously damage the system Fit all electromechanical safety devices on the unit that are necessary to ensure the safety of the system Carel code 030220241 Rel 1 0 dated 19 September 03 6 I O Module 2 2 Assembling and securing the instrument The I O module is installed on a DIN rail inside the electrical panel To secure the module to the DIN rail simply press the device lightly after having rested it on the rail When the rear tabs click into place the device is secured to the rail To remove the controller simply use a screwdriver to release and raise the tabs The tabs are kept in the locked position by a return spring 2 3 Power supply to the instrument The power supply to the instrument depends on the model according to the table below MOD POWER SUPPLY 10M0023000 230Vac 10M0011500 115Vac 10M0002400 24Vac POWER SUPPLY Vac POWER Carel code 030220241 Rel 1 0 dated 19 September 03 7 IYO Module 2 4
48. it again 3 6 Signals Sy This is a read only parameter used to constantly monitor the values measured by the probes 1 2 3 4 TDx This is a digital variable that signals the status of defrost timeout on the input configured 0 no defrost timeout 1 defrost timeout If the variable MTD digital is selected as signal only for end defrost by timeout that is MTD 0 after the time Dx defrost duration a signal will be sent to the supervisor DIx This is a read only digital variable that indicates the status of the digital inputs configured on the instrument 0 digital input open 1 digital input closed CT cleaning cycle timeout signal This is a signal that refers to the end of the cleaning cycle 0 no cleaning cycle timeout 1 cleaning cycle timeout This can be set via the serial connection This function is linked to the parameter A for the association of the function with the digital input and to the parameter D for the duration of the cycle BUZZ status This is a digital variable used to identify the status of the buzzer O buzzer inactive 1 buzzer active This is a read only parameter RELE 1 status This is a digital variable used to identify the status of the relay O relay contact open 1 relay contact closed This is a read only parameter Carel code 4030220241 Rel 1 0 dated 19 September 03 24 I O Module 3 7 Setting the parameters via the serial connection or hardware key
49. ivated If the alarm conditions are not longer present the alarm signal AFx remains for the time DKx Configuring a digital input as an alarm 1 DII and DD are always active To enable the reading of DIS and DI6 set MOD 1 3 5 or 7 Set the parameter Ax 1 or 2 Set the alarm delay time Dx Set the alarm maintenance time DKx No probe needs to be associated with the digital input Gnade paro 4 2 3 Digital input for detecting the defrost status The digital input used to monitor the defrost status of the evaporator and disable during defrost the high and low temperature alarms The alarms are disabled for all the probes where Ny x The defrost status 1s determined when the digital input is closed When the defrost ends the high and low temperature alarms are enabled again using the set alarm delay Ry If the defrost status lasts longer the time set for Dx the instrument generates the signal TDx defrost ended by timeout in addition if selected using the parameter MTD a local alarm is generated and the high and low temperature alarms are enabled again The signal is automatically reset at the start of the following defrost If Dx 0 the defrost timeout is infinite in this case digital input represents the means for disabling the alarms corresponding to the associated probe inputs The physical status of the input is monitored using the variable DIx The high and low alarms corresponding to the probes where Ny x are monitored using
50. lation to set range 10 bit 0 5Vrat probe maximum resolution in relation to set range 10 bit Analogue input precision excluding probe error NTC error 0 5 C range 30 to 60 C 1 5 C range 50 to 30 60 to 90 C 20mA error t 1 full scale in specified range Vrat range t 0 5 full scale in specified range y Ay A Relay output 2000VA 250Vac UL873 8A resistive 2A FLA 12A LRA EN 60730 1 2A resistive 2A inductive cos 0 4 2 2 A Carel code 030220241 Rel 1 0 dated 19 September 03 39 I O Module Power supply to additional probes S3 S4 S3 S4 as NTC Vcc 14 64V S3 S4 as 5Vrat Vec 5 02V S3 S4 as 4 20mA Vcc 14 64V RESET button Mutes the internal buzzer activated in the event of no serial communication for more than 5 minutes Connections Screw terminals for power supply digital inputs analogue inputs relay output power supply output to probes max cross section of the wires 1 5mm Removable connector for LAN 485 connection max cross section of wires 1 5mm max number of connections disconnections 50 use shielded cable with shield connected to GND Vertical 4 pin connector for programming key max number of connections disconnections 10 Assembly In electrical panel on standard DIN rail Display configuration Read and write parameters via LAN 485 from CAREL devices or supervisory software Configuration is also possible using a programming key code PSOPZKEY00
51. le Configure the presence of the digital inputs digital inputs 1 and 2 always present 5 and 6 present if MOD 1 3 5 7 Set the parameter Ax 5 Set the cleaning cycle time Dx When the cleaning cycle 1s active the status of the digital input associated with this function can be displayed on the supervisory system The cleaning cycle status parameter is CT 0 cleaning cycle active 1 cleaning cycle timeout 5 This differs from the defrost function in the following ways the timeout is accompanied by a signal only to the supervisory system the alarms are disabled during the cycle without having to associate any probe and consequently on all those previously configured on the instrument the alarms are disabled until the contact is switched and not only after D x so iras Carel code 030220241 Rel 1 0 dated 19 September 03 30 I O Module 5 Practical examples The following paragraphs describe some typical applications and configuration solely as examples for the user Due to the variety ofpplications and the various different requirements these cannot be copied entirely but rather used as a starting point 5 1 Multiplexed cabinets The instrument is used to monitor a refrigerated cabinet on one line only with four different evaporators featuring simultaneous defrosts ma Configuration for the cabinet Setting the VO module to the control a multiplexed island 1 Configure the type of the inputs using the p
52. m at the end of the defrost select the parameter MTD 1 1 signal alarm The alarm maintenance time in seconds for digital input 1 DK 1 is not considered even if set as for this function the signal alarm is automatically reset at the start of the following defrost Connect digital input 2 to the compressor or of the solenoid status signal In general when the chiller is in operation the digital input is closed Using the parameter A2 type of input 2 configure the input for the function READ ONLY 0 This function is used to display the status of this input on the supervisory system ON OFF This function disables the delay times D 2 the maintenance time DK 2 and the alarms general alarm AG and input 2 alarm AF2 It is in fact a read only function Carel code 030220241 Rel 1 0 dated 19 September 03 32 I O Module 6 Connect digital input 5 to the fan start and stop contact In general when the fans are on the digital input on the I O module is closed Using the parameter A5 type of input 5 configure the input for the function READ ONLY 0 This function is used to display the status of this input on the supervisory system ON OFF This function disables the delay times D 5 the maintenance time DK 5 and the alarms general alarm AG and alarm input 5 AF5 It is in fact a read only function 7 Connect digital input 6 to the auxiliary contact switch for example the door to the cold room Using the param
53. m will be disabled for the time D x R y Carel code 4030220241 Rel 1 0 dated 19 September 03 29 I O Module 4 2 4 Digital input for disabling the general alarms When the input is closed the alarms ATyH ATyL AFx TDx are disabled If the parameter Dx 0 the alarms are disabled for an undetermined time while the input is closed If Dx lt gt 0 the alarms are disabled for the time Dx from when the contact is closed The opening of the contact does not stop the disabling function while the closing of the contact again resets the disable time The status of the digital input for disabling the alarms is monitored using the variable DIx Configuring a digital input to disable the general alarms 1 Configure the presence of the digital inputs digital inputs 1 and 2 always present 5 and 6 present if MOD 1 3 5 7 Set the parameter Ax 4 Set the disable alarm time Dx No probe needs to be associated to the digital input The time DKx is not enabled Hic p P 4 2 5 Digital input for activating the cleaning cycle When the digital input is closed the alarms ATyH ATyL AFx and TDx are disabled When the time Dx has elapsed the controller sends the warning signal CT and alarms remain disabled while the digital input not 1s closed If the parameter Dx 0 the cleaning cycle timeout signal is sent immediately The physical status of the input is monitored using the variable DI x Configuring a digital input to activate the cleaning cyc
54. n the remote that will be connected RELE PWUP 0 Open RELE PWUP 1 Closed 5 3 Compressor Racks COMPRESSOR RACKS Configuration for compressor packs To set the I O module as an instrument for monitoring the operation of a compressor Rack 1 Configure the type of the inputs using the parameter MOD as a la required As regards the compressor rack the most suitable configuration is 2 probes 4 20mA 2 DI with voltage free contacts and 2 optically isolated DI MOD 3 Define which probes are present PROBES 3 4 12 and the desired temperature scale CF Centigrade Fahrenheit 2 Apply the pressure probe 3 to the intake of the compressors connected in parallel so as to control the suction pressure Set the maximum V3H and minimum end scale values V3L in reference to the technical specifications of the current or pressure probes connected to the instrument To set a delay time if the probe exceeds the high low thresholds modify parameter R 3 Modify the probe offset by setting parameter O 3 and the probe reading variation by setting parameter DS 3 as required 3 Apply probe 4 to the outlet of the compressors connected in parallel so as to control the delivery pressure Set the maximum V4H and minimum end scale values VAL in reference to the technical specifications of the current or pressure probes connected to the instrument To set a delay time if the probe exceeds the high low thresholds modify parameter R 4
55. nal and the reference wire Carel code 030220241 Rel 1 0 dated 19 September 03 9 I O Module 2 6 Local serial network As previously mentioned the I O modules are designed to be connected to the Carel RS485 local network thus allowing the communication and supervision of data by the supervisor The supervisory system can monitor the operation of the refrigeration circuits controlled by the instruments eg temperature pressure alarms faults defrosts etc The Carel supervisory system can be used to modify the I O module s operating parameters Printer To supervisor The figure shows a diagram of a series of I O modules connected in an RS485 network printer for the alarm log All versions of the I O module can be connected in a local network All devices connected to the network are identified by a unique serial address The address is set on the devices using the rotary switches on the user interface The supervisory system must be used to configure all the instruments connected in parallel and the Ident according to the value set on each instrument If the same address is assigned to more than one unit the network will not work consequently more than one I O module cannot have the same serial address The serial connection between the I O module and the RS485 converter must be made using a AWG20 22 twisted pair shielded cable the shield must be connected to GND The wiring of the RS485 network uses removable thr
56. ndividual alarms BUZZER Select buzzer operating mode 0 buzzer set by serial 1 buzzer linked to the alarms ATy H ATyL ASy AFx TDx if alarm selected and if communication is interrupted for more than 5 min x index of digital input 1 2 5 6 y index of probe input 1 2 3 4 BUZZ Status of the buzzer output at power up 0 off 1 PWUP l active STATUS OF RELAY OUTPUTS AT POWER UP RELE 1 Status of output 1 at power up energised 1 PWUP 1 de energised COMMANDS FROM THE SUPERVISOR BUZZER Variable that activates deactivates the buzzer 0 buzzer deactivated ON OFF from the supervisor 1 buzzer activated RELE 1 Variable that opens closes the relay contact 0 relay contact de energised ON OFF from supervisor if OUT 0 1 relay contact energised Carel code 030220241 Rel 1 0 dated 19 September 03 16 I O Module 3 4 Description of the parameters Table of alarms ATyH High temperature alarm probe y ATyL Low temperature alarm probe y AFx Alarm digital input x ASy Fault alarm probe y TDx Defrost timeout digital input x A 1 2 5 6 This parameter is used to select the function of the digital inputs Functions available normal input 0 alarm with input open 1 closed 2 detect defrost 3 disable general alarms 4 and cleaning cycle 5 D 1 2 5 6 The meaning of this parameter depends on the value of the corresponding parameter A 1 2 5 6 If Ax 1
57. open MODE Establishes the relay status a rest normally energised or de energised if OUT 1 or 2 Mode Relay status at rest 0 Normally de energised 1 Normally energised LINK1 LINK2 If OUT 0 the matrices are active that is the values used to establish which alarms the relay changes status for This function therefore allows the relay to be activated deactivates only for the alarm alarms desired by the user As regards any other alarms detected by the instrument the relay will remain in the status set via the serial connection and can be displayed only by the supervisory system The alarms are selected using the matrices that is the series of values set for the parameters LINK1 and LINK2 RELAY RELAY RELAY RELAY Variable 2 3 4 AFI 4096 AF2 256 AF3 LINK1 AF4 AF5 or ASI ATIL ATIH 4096 AF6 or AS2 AT2L AT2H 256 AS3 or AT3L AT3H 16 nn AS4 or AT4L AT4H 1 Carel code 030220241 Rel 1 0 dated 19 September 03 20 I O Module LINK1 This parameter refers to the matrices for alarms AF1 and AF2 that is the alarms relating to the digital inputs with voltage signal 1 and 2 To activate the relay for the alarm AF1 only set the value 4096 value defined for this type of alarm To switch the status of the relay only when the alarm AF2 is activated set the value 256 To activate the relay if both alarms are activated simply sum the two values 4096 256 43
58. orresponding to 20mA MOD 4 5 6 7 Value corresponding to 90 of the 5V ratiometric signal 4 20mA probes MOD 2 3 Probe slam aman mA azien Table of alarms for 4 20mA probes T 1 T1 Set Alarm Lower threshold Reset Alarm Reset Alarm Upper threshold Set Alarm 3 25mA 3 5mA 3 75mA 20 25mA 20 5mA 20 75mA 5 V ratiometric probes MOD 4 5 6 7 alan OA 4Srat a Table of alarms for 5V ratiometric probes scale 0 5V 4 5V T2 T3 T2 MOD 4 5 Set Alarm Lower threshold Reset Alarm Reset Alarm Upper threshold Set Alarm 0 25V 0 375V 0 5V 4 5V 4 625V 4 75V T3 MOD 6 7 Set Alarm Lower threshold Reset Alarm Reset Alarm Upper threshold Set Alarm none none none none none none For these two values of MOD the probe alarms AS3 and AS4 corresponding to the 5V rat probes are not active Table of alarms for NTC probes T4 NTC MOD 0 1 2 4 Set Alarm Lower threshold Reset Alarm Reset Alarm Upper threshold Set Alarm 52 5 C 50 C 47 5 C 87 5 C 90 C 92 5 C Probe errors These are signalled if the probe is present according to MOD and PROBES The activation and the deactivation of the probe error considers the hysteresis according to the value measured see tables T1 T2 T3 T4 In the event of a probe error or if the probe is not present the value sent to the supervisor will be 250 0 C or 418 0 F OUT Carel code 030220241 Rel 1 0 dated 19 September 03 I O Module The OUT parameter defines whether th
59. r To use the ENABLE function enter the value 16 relay de energised when OFF LINE while 16 1 17 relay energised when OFF LINE BUZ Used to modify the operating modes of the buzzer O the buzzer can be activated via the serial connection 1 the buzzer is activated if there is no communication for more than 5 minutes and the alarms ATyH ATyL ASy AFx TDx set as an alarm are active BUZ PWUP output This parameter is used to establish the status of the buzzer at power up 0 off activated RELE PWUP output This parameter is used to establish the status of the relay at power up if OUT 0 0 relay de energised at power up 1 relay energised at power up COMMANDS FROM THE SUPERVISOR BUZZER ON OFF This variable is used to activate deactivate the buzzer from the supervisory system in the event of no communication to mute the buzzer use the RESET button directly on the instrument O buzzer deactivated 1 buzzer activated RELE 1 ON OFF This variable is used to energise or de energise the relay from the supervisory system O relay de energised 1 relay energised Carel code 030220241 Rel 1 0 dated 19 September 03 22 I O Module 3 5 Alarms AG General alarm this indicates that one of the following alarms is active high ATyH low ATyL probe ASy delayed or immediate AFx and defrost timeout TDx if selected as an alarm The general alarm AG is reset automatically 0 no alarms active 1 one or mo
60. r input 2 time for input 3 time for input 4 Carel code 030220241 Rel 1 0 dated 19 September 03 35 13 R W D5 seconds alarm delay defrost timeout alarm disable time or maximum cleaning cycle time for input 5 14 R W D6 seconds alarm delay defrost timeout alarm disable time or maximum cleaning cycle time for input 6 E re ee 16 17 ili dire _ _ i 1 N2 probe 2 associated with input x 1 R2 alarm delay time in minutes for probe 2 20 F2 filter for probe 2 A a ee e oo ui gt ae N4 probe 4 associated with input x 25 RW R4 alarmdelaytime in minutes for probe 4 N ______ 26 RW X Jj F4f lerforpobe4 ss ez i Rc AA 27 R W J OUT selecionofthe RELAY operating modes 28 R W__ MODE selection of the status of the alarm relay at stable state Jo o 29 RW LINKI matrix for assigning the alarms to the outputs 1 2 30 R W LINK2 matrix for assigning the alarms to the outputs 1 2 o 31 R W OUTLI matrixofoutputstatus according to the alarms 1 2 32 RW J OUTL2 matixofoutputstatusaccordingto the alarms 1 2 o E 33 R W__ PRIORITY output priority in the event ofmul plealarms 34 R W ALCOMM output status in the event of communication alarms 3s RW IDK aemm delay timezin seconds for dii A 36 RW IDR ala delay time in seconds or digli 39 RW DK ala delay time in se
61. rding to the alarms assigned by LINK 1 and LINK 2 is determined by the parameters OUTL 1 and OUTL 2 If more than one alarm is activated linked to the same relay with a different output status the PRIORITY parameter can be used to define the priority of the output status For example a condenser fan may be linked to a high condensing pressure alarm and a fan thermal overload alarm The high pressure alarm starts the fan and the thermal overload alarm stops it PRIORITY can be used to establish that the stopping of the fan is the preferential status when both alarms occur The ALCOMM parameter on the other hand can be used to establish the status of the relay if OFF LINE is detected for more than 5 minutes The status of the relay can also be decided when starting the instrument depending on the remote that will be connected RELE PWUP 0 Open RELE PWUP 1 Closed Configuring the relay as linked to the internal alarms Set the parameter OUT 1 relay linked to the internal alarms The relay is now able to be automatically activated deactivated when the controller detects an alarm high low temperature probe fault digital input error etc This function is linked to the MODE parameter status of the relay at rest 0 normally open normally closed If the relay is activated during an alarm the status of the digital variable in the supervisory system varies according to the setting of the MODE parameter 0 contact closed 1 contact
62. re alarms active ATyH ATyL The high and low alarms are activated after the alarm delay Ry The hysteresis for the variation in the high and low alarms is 3xDSy The high and low alarms feature automatic and manual reset In the case of manual reset alarms reset from the supervisor the delay times corresponding to the alarms are also reset and the monitoring cycle starts again AT1H high alarm probe 1 this means that probe 1 has exceeded the alarm threshold Hl This is monitored by the supervisory system inside the alarm window ATIL low alarm probe 1 this means that probe 1 has exceeded the alarm threshold L1 This is monitored by the supervisory system inside the alarm window AT2H high alarm probe 2 this means that probe 2 has exceeded the alarm threshold H2 This is monitored by the supervisory system inside the alarm window AT2L low alarm probe 2 this means that probe 2 has exceeded the alarm threshold L2 This is monitored by the supervisory system inside the alarm window AT3H high alarm probe 3 this means that probe 3 has exceeded the alarm threshold H3 This is monitored by the supervisory system inside the alarm window AT3L low alarm probe 3 this means that probe 3 has exceeded the alarm threshold L3 This is monitored by the supervisory system inside the alarm window AT4H high alarm probe 4 this means that probe 4 has exceeded the alarm threshold H4 This is monitored by the supervisory system inside the alarm w
63. recommended configuration for a compressor pack is two 4 20mA pressure probes one suction and one condensing pressure and 4 digital inputs for the status of the compressors up to 3 and the fourth input for an auxiliary application such as a remote alarm condensers NOTE The PROBES parameter can be used to establish the analogue probes that are present 3 2 Relay operating mode OUT The OUT parameter defines whether the relay on the instrument is activated in the event of internal alarms or alternatively whether it can be controlled by the remote supervisory system There are three operating modes Value of OUT Configuration 0 Relay set via serial connection not linked to an internal alarm can be used as an auxiliary 1 Relay linked to the high low alarms ATy H ATyL probe faults ASy digital input errors AFx and end defrost by timeout TDx 2 Relay linked to the alarms ATyH ATyL ASy AFy TDx with Ny x for future models x index of the digital input y index of the analogue input Carel code 030220241 Rel 1 0 dated 19 September 03 11 I O Module 3 2 1 Configuring the relay as an auxiliary Set the parameter OUT 0 relay not linked to internal alarms The relay can now be used as an auxiliary activated and deactivated by the supervisory system In this mode the instrument works as a remote I O module With this setting a certain status can be assigned to the relay according to the
64. robes on the analogue inputs The same configuration procedure used for OULTI is also used for this parameter For AFS the value to be set in order to energise the relay is 4096 for AF6 256 and for both the sum of the two values If S1 and S2 are configured in the place of DI 5 and DI 6 when setting the value 4096 the relay will be energised for the probe 1 threshold exceeded AT1H and ATIL and probe 1 fault alarms AS1 On the other hand when setting the value 256 the relay will be energised for the probe 2 threshold exceeded AT2H and AT2L and probe 2 fault alarms AS2 As regards probe S3 to energise the relay for the alarms AS3 and AT3L or AT3H set the value 16 and set the value 1 for AS4 and ATAL or AT4H relating to probe S4 As in the case of the previous parameter the sum of the values set will energise the relay with the corresponding alarms Carel code 030220241 Rel 1 0 dated 19 September 03 21 I O Module Example 2 Looking back at example 1 when the alarm AFI is activated the relay is in the open or de energised status and when the alarm AF2 is activated the relay is in the closed or energised status According to the values shown in the table and the explanation of the parameter OUTL 1 the following will be true 0 AF1 relay de energised 256 AF2 relay energised 256 the value to be set for parameter OUTLI to achieve the desired result As regards the threshold exceeded alarm AT3x the relay i
65. s set to switch to the open status 1 AT3x relay open x 16 16 the value to be set for parameter OUTL2 to achieve the desired result PRIORITY In the event where more than one alarm occurs simultaneously as previously set with LINK1 2 and there is a conflict between the settings of OUTL1 2 the priority of the relay status can be defined by setting the PRIORITY parameter The PRIORITY variable used to establish the priority of the output in the event of alarms with different settings Value RELAY 1 RELAY 2 RELAY3 RELAY4 Variable 0 Contact de energised PRIORITY 1 Contact energised Example 3 Continuing with example 2 we now need to set the priority in the event where AF1 AF2 and AT3L or AT3H occur simultaneously To set the status of the relay as closed enter the value 1 for the Priority parameter On the other hand to set the open status assign Priority the value 0 ALCOMM The parameter ALCOMM can be used to establish the relay status if OFF LINE is detected for more than 5 minutes The ALCOMM variable established the status of the outputs in the event of communication errors Value RELAY 1 RELAY RELAY RELAY 4 Variable 2 3 Up to 15 Status maintained at the last setting 16 Relay de energised when OFF LINE ALCOMM 17 Relay energised when OFF LINE For values less than 16 the I O module maintains the last status before going off line from the superviso
66. t the parameter OUT 1 relay linked to internal alarms The relay is now is able to be automatically activated deactivated when the controller detects an alarm eg high low temperature probe fault digital input error etc This function is linked to the MODE parameter status of the relay at rest 0 normally open 1 normally closed If the relay is activated during an alarm the status of the digital variable in the supervisory system varies according to the setting of the MODE parameter 0 contact closed 1 contact open For further details refer to the paragraph Description of the parameters Carel code 030220241 Rel 1 0 dated 19 September 03 12 I O Module 3 3 List of parameters ype of dig input 1 0 normal input read only 5 1 alarm with input open alarm with input closed B detect defrost 4 disable general alarms 5 detect cleaning cycle Alarm delay seconds dig input 1 30000 seconds alarm delay 0 immediate alarm defrost timeout a infinite alarm disable time infinite maximum cleaning cycle time immediate timeout BRE Alarm maintenance time seconds dig input f 2 1 x EE 30000 MTD1 Signal in the event of defrost timeout from 0 signal to supervisor only input 1 1 alarm signal to supervisor DIG INPUT 2 0 normal input read only 1 alarm with input open alarm with input closed B detect defrost disable general alarms 5 detect cleaning cycle Alarm delay seconds dig
67. the instrument according to the table below Value Configuration 0 1 NTC 2 NTC 3 NTC 4 NTC 1 1 DIS 2 DI6 3 NTC 4 NTC 2 1 NTC 2 NTC 3 4 20mA 4 4 20mA 3 1 DI 5 2 DI 6 3 4 20mA 4 4 20mA 4 1 NTC 2 NTC 3 5Vrat with range 0 5 4 5 4 5Vrat with range 0 5 4 5 5 1 DI 5 2 DI 6 3 5Vrat with range 0 5 4 5 4 5Vrat with range 0 5 4 5 6 1 NTC 2 NTC 3 5Vrat with range 0 5 4 5 4 5Vrat with range 0 5 4 5 7 1 DI 5 2 DI 6 3 5Vrat with range 0 5 4 5 4 5Vrat with range 0 5 4 5 n these two configurations the probe fault alarms AS3 and ASA referring to the 5V rat probes are not active Example If MOD 0 the configuration of the instrument will correspond to this value that is 4 NTC The recommended configuration for the monitoring of a multiplexed supermarket cabinet is 4 NTC temperature probes relating to the respective sections of the multiplexed unit and two digital inputs used to detect the defrost status of the evaporator and the operating status of the compressor or solenoid The recommended configuration for the control of a cold room is 2 NTC probes one that measures the inside temperature and one that measures the evaporator temperature for the defrost function plus 4 digital inputs for detecting the status of the compressor the defrost status the activation of the fans and as an auxiliary function detecting when the door is open The
68. ts that can be configured as NTC probe inputs 4 20mA inputs or 0 5V ratiometric inputs NTC mA 5V NTC mA 5Y E DONO A power supply to the 4 20mA probes approx 13Vdc or the 0 5 ratiometric probes approx 5Vdc POWER ie power is supplied to the instrument via the corresponding POWER terminals Vac RS 485 serial communication to the Carel supervisory network via the terminals SHLD suc the relay output on the I O module is available at terminals C n c n o Uno Carel code 4030220241 Rel 1 0 dated 19 September 03 5 2 1 I O Module Warnings for installation To install the controller proceed as follows with reference to the connection diagrams shown in this manual 1 2 3 4 5 Programming the instrument for a more detailed description see the chapter on Programming Connecting the probes and digital inputs the probes and digital inputs can be installed at a maximum distance of 10 metres from the controller as long as wires with a minimum cross section of 1mm are used To improve immunity to disturbance shielded cables should be used connect only one end of the shield to the earth on the electrical panel Connecting the actuator carefully calculate the maximum capacity of the relay as indicated in the technical specifications Serial network connection if the connection is provided to the Carel supervisory network via the RS485 line make sure that

Download Pdf Manuals

Related Search

Related Contents

Holmes HM1865RC User's Manual  Fujifilm A850  MANUEL de SERVICE TECHNIQUE  Manual de asistencia técnica Pica II  LAVADORA A PRESIÓN - Champion Power Equipment  Jensen BT380 User's Manual  h101-prior-h117    Manual de instrucciones  ITGS REVIEW FOR IB EXAMS TOPIC 1  

Copyright © All rights reserved. Failed to retrieve file