Home

User Manual - Gafco

1. 19 3 7 Setting the parameters via the serial connection or hardware key 19 3 8 Default configuration 21 Operation 22 4 1 Analogue iNpUtS 22 4 2 Digital inputs 22 Practical exampleS 24 5 1 Multiplexed cabinets 24 5 2 Cold
2. 5 2 4 Connecting the analogue inputs 6 25 Local serial network 7 Programming 8 3 1 Analogue and digital input configuration MOD parameter 8 3 2 Relay operating mode OUT ZZZ 8 3 3 List of parameters 10 3 4 Description of the parameters 13 3 5 Alarms 18 3 6 Signals
3. Relay status at reset 0 Normallyde energised 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 RELAY2 RELAY3 RELAY 4 Variable A AS EAS A O O AFSoASI ATILATIH Jaos _AF6 o AS2 AT2LAT2H 26 5 lin AS3 o AT3L ATH 15 E e ASA o ATAL ATAH 1 II 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 4352 LINK2 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 val
4. 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 after 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 O 1NTC 2 NTC 3 NTC 4 NTC 12 DI5 DI 6 3 NTC 4 NTC 1 NTC 2 NTC 3 4 to 20 mA 4 4 to 20 mA DI 5 DI 6 3 4 to 20 mA 4 4 to 20 mA 4 1 NIC 2 NTC 35 V rat 4 5 V rat with range 0 5 V to 4 5 V DI 5 DI 6 3 5 V rat 4 5 V rat with range 0 5 V to 4 5 V 6 J 1 NTC 2 NTC 35 V rat 4 5 V rat with range 0 5 V to 4 5 V DI 5 DI 6 3 5 V rat 4 5 V rat with range 0 5 V to 4 5 V 6 7 For these two types of configuration the probe alarms AS3 AS4 corresponding to the 5 V rat probes are not active see table 13 corresponding to the probes with voltage signals inputs configured as digital PROBES Used to configure set the probes connectedfitted to the instrument 0 Noprobe 4 6 Probe 32 Probe 3 2 1 e Jb doce 88 be Spec 305 Probe Ae NOTE In the event of a probe error or if the probe is not present the value sent to the s
5. 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 AT1L 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 A52 As regards probe 53 to energise the relay for the alarms AS3 and AT3L or AT3H set the value 16 and set the value 1 for ASA and AT4L 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 Example 2 Looking back at example 1 when the alarm AF1 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 the parameter OUTL1 to achieve the desired result As regards the threshold exceeded alarm AT3x the relay is set to switch to the open status 1 AT3x relay open X 16 16 the value to be set for the 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
6. 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 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 is automatically reset at the start of the following defrost 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 o
7. 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 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 A1 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 thi
8. 82 inputs that can be configured as NTC probe inputs or digital inputs with voltage free contacts DI5 DI6 NTC 7 NTC zl V ox e S3 S4 inputs that can be configured as NTC probe inputs 4 to 20 mA inputs or 0 to 5 V ratiometric inputs Ln NATC mA 5V NTC m A 5 cnc de e Vcc power supply to the 4 to 20mA probes around approx 13 Vdc or the 0 to 5 ratiometric probes around approx 5 Vdc Cod CAREL 030220241 rel 1 1 del 20 06 05 4 Modulo I O e Vac power is supplied to the instrument via the corresponding POWER terminals Vac Vac e RS485 serial communication to the CAREL supervisory network via the terminals SHLD e Relay the relay output on the I O module is available at terminals C n c n o 2 1 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 2 Power supply to the instrument The power supply to the instrument depends on the model according to the table below MODEL POWER SUPPLY IO0M0023000 230 Vac 10M0011500 115 Vac 0M0002400 POWER SUPPY POWER 2 3 Connecting the digital inputs POWE
9. OUT 0 AF1 4096 AF2 256 Matrix for assigning alarms to outputs 2 2 RELAY 1 AF5 AS1 AT1L AT1H 4096 AF6 AS2 AT2L AT2H 256 AS3 AT3L AT3H 16 AS4 AT4U AT4H 1 matrix of output status according to the alarm 1 2 RELAY 1 Cy AF1 4096 AF2 256 matrix of output status according to the alarm 2 2 RELAY 1 AF5 AS1 AT1L AT1H 4096 AF6 AS2 AT2L AT2H 256 AS3 AT3L AT3H 16 AS4 AT4L AT4H 1 OUT 0 RELAY 1 0 de energised OUT 0 ENABLE 16 relay de energised ENABLE 16 1 17 relay energised the value to be set is obtained by adding the numbers corresponding to the individual alarms A E AAA E SU LO BUZ Select buzzer operating mode 0 buzzer set by serial 1 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 PWUP Status of the buzzer output at power up 0 off 1 1 active STATUS OF RELAY OUTPUTS AT POWER UP RELE 1 PWUP Stato uscita 1 al power up 0 eccitato 1 1 e a COMMANDS FROM THE SUPERVISOR D N 16 6 E ON OFF E activated ON OFF n zd contact 3 Cod CAREL 030220241 rel 1 1 del 20 06 05 12 3 4 Description of the parameters Table of alarms ATyH High temperature alarm probe y ATyL Low temperature alarm probe y Alarm digital input x Fault alarm probe y Defrost timeout digital
10. 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 the electromechanical safety devices on the unit that are necessary to ensure the safety of the system CONTENTS 1 2 per ee Viu de Introduction 3 1 1 Main characteristics 3 1 2 User interface 4 Installation M 4 2 1 Assembling and securing the instrument 5 2 0 Power supply to the instrument 5 2 3 Connecting the digital inputs
11. only valid if selected instead of probe 2 i WWW OOOO 20 RAG EA eee e _e_a_ _ 0 a1 1 1r_t_t ORO Wlllowabmpomel_ o gear Not man Not man pops Cod CAREL 030220241 rel 1 1 del 20 06 05 28 Modulo 1 0 Status Read Write Description Management digital 35 R X JjfASipobeifaltalam SS 36 R X AS2 probe2feultalam 37 R X ASB probe3faultalarm_ SO oo HERE t o o __m__ _m_m_ probe 4 fault alarm NENNEN AAA OO l d k d 39 R X jfAHW harwarealm signa OOOO AL AA Not man Not man p A N CA CO EA e 48 O PRE 49 n JghREE2 sttus Nt man 50 n RELE3 status Nt man 51 R EE Not ma RELE 1 ON OFF from serial RELE 2 ON OFF from serial Not man RELE 3 ON OFF from serial Not man RELE 4 ON OFF from serial Not man 8 Dimensions li 62 5 ______4 I 45 _ Cod CAREL 030220241 rel 1 1 del 20 06 05 29 Modulo I O 9 Technical specifications Power supply model IOM 230 230 Vac 10 to 10 50 60 Hz model IOM 115 115 Vac 10 to 10 50 60 Hz model IOM 024 24 Vac 10 to 10 50 60 Hz 2 7 VA Digital inputs DI1 DI2 voltage contacts 230 Vac for model IOM 230 115 Vac for model IOM 115 24 Vac for model IOM 024 maximum distance lt 10 m DI5 DI6 on S1 S2 voltage free contacts 10 mA maximum distance lt 10 m Analogue inputs 91 9
12. 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 Cod CAREL 030220241 rel 1 1 del 20 06 05 9 3 3 List of parameters ai A1 Type of dig input 1 0 normal input read only 1 alarm with input open 2 alarm with input closed 3 detect defrost 4 disable general alarms 5 detect cleaning cycle 1 Alarm delay seconds dig input 1 If alarm delay A1 1 2 0 immediate alarm defrost timeout Al 3 0 infinite alarm disable time A1 4 0 infinite maximum cleaning cycle time Al 5 immediate timeout 0 Alarm maintenance time seconds dig input 1 If A1 1 2 0 MTD1 Signal in the event of defrost timeout from input 1 0 signal to supervisor only 1 alarm signal to supervisor DIG INPUT 2 A2 Type of dig input 2 0 normal input read only 1 alarm with input open 2 alarm with input closed 3 detect defrost 4 disable general alarms 5 detect cleaning cycle Mesi Alarm delay seconds dig input 2 If alarm delay A1 1 2 0 immediate alarm defrost timeout Al 3 0 infinite alarm disable time A1 4 0 infinite maximum cleaning cycle time A1 5 0 immediate timeout DK2 Alarm maintenance time seconds d
13. parameter V3H A EO ine NEU Probe 4 associated with digital input 1 2 3 4 5 6 1 dig input 1 2 dig input 2 3 not associated 4 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 scale alarm disabled PLA 1000 0 100 0 9C F bar Low alarm threshold for probe 4 Min end scale alarm disabled Pf 200 0 H4 100 0 C F bar Cod CAREL 030220241 rel 1 1 del 20 06 05 11 Modulo 1 0 Re Alarm delay minutes high and low thresholds probe 4 response fast 04 Offsetprobe oOo DS4 Variation in readings probe 4 for transmission to the supervisor CST S VAL Minimum value for probe 4 as 4 20 mA or 10 of 5 V ratiometric signal 200 0 V4H 0 0 bar MOD 2 3 4 5 6 7 V4H Maximum value for probe 4 as 4 20 mA or 90 of 5 V ratiometric signal 819 0 30 0 bar MOD 2 3 4 5 6 7 NOTE values less than or equal to 819 must be set for parameter V4H RELAY OPERATING MODES e Se a es ERES OUT Select relay operating mode 0 Relay set via serial 1 Relay linked to alarms ATy H ATyL ASy AFx TDx if alarm selected 2 Relay y linked to alarms ATyH ATyL ASy AFx TDx with Ny 7x Envisaged on future models x index of digital input 1 2 5 6 y index of probe input 1 2 3 4 La OTT figa NENNEN OUT z 0 1 Relay 1 N C 2 15 not managed
14. rooms 25 5 3 Compressor pRaCks 26 Meaning of the LEDs 26 Control parameter database 2 DIMENSIONS gt ona 29 Technical specifications gt gt 30 Modulo I O 1 Introduction The CAREL IOM is a compact versatile and easy to install instrument featuring panel 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 1 0 module completes the range of CAREL Retrofit Solutions designed to satisfy the needs of the leading manufacturers in the sector with the purpose of reducing the installation costs 1 1 Main characteristics Power supply Models are available with 230Vac 115Vac 24Vac power supply respectively 0M0023000 I0M001 1500 10M0002400 Installation All models feature DIN rail installation Applications The programmabili
15. setting of the MOD parameter results 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 the instrument according to the table below Value Configuration CA in these two configurations the probe fault alarms AS3 and AS4 referring to the 5 V 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 control monitoring of a multiplexed supermarket cabinet corresponds to 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 corresponds is to 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 recommended configuration for a compressor pack is able to manage 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 suc
16. 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 H1 This is monitored by the supervisory system inside the alarm window AT1L 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 ATAH 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 window 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 fea
17. 2 S3 94 CAREL standard NTC 10 k at 25 C range of measurement 50790 C maximum distance lt 10 m 53 94 4 to 20 MA probe or 0 to 5 V rat probe maximum distance lt 10 m Analogue input resolution NTC probe 0 1 C 4 to 20 mA probe maximum resolution in relation to set range 10 bit 0 to 5 V rat probe maximum resolution in relation to set range 10 bit Analogue input precision excluding probe error NTC error 0 5 C range 30T60 C 1 5 C range 507 30 60790 C 4 to 20 MA error 1 full scale in specified range 5 V rat error 0 5 full scale in specified range Relay output 2000 VA 250 Vac EN 60730 1 2 A resistive 2 A inductive cos 0 4 2 2 A Power suppli to additional probes S3 S4 53 S4 as NTC Vcc 14 64 V 53 S4 as 4 to 20 mA Vcc 14 64 V 5 minutes Connections ocrew terminals for power supply digital inputs analogue inputs relay output power supply output to probes max cross section of the wires 1 5 mm Removable connector terminal for LAN 485 connection max cross section of wires 1 5 mm 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 uw MN configuration Read and write parameters via LAN 485 from CAREL devices or supervisory software A is also possible using a programming key code PSOP
18. 2 GND S3 GND and S4 GND according to the diagram below HTC mA S 4 5 NTC mA 5W KTC NTC HTE uu nn ni Fa B a g E H QO a q HTC Standard Carel The two NTC probe wires are identical no special order polarity is required when connecting these to the terminal block 2 4 2 4 to 20 mA probes If configured using the instrument operating parametersas current inputs using the instrument operating parameters 4 20mA probes can be connected to terminals S4 GND S3 GND and Vcc according to the diagram below Active probes with 3 wires 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 Cod CAREL 030220241 rel 1 1 del 20 06 05 6 Modulo 1 0 Active probes with 2 wires NTC mA 5V NTC mA 5V TTI LT 1 Note the indicates the probe power supply wire OUT the probe output wire 4 to 20 mA signal 2 4 3 0 to 5 V ratiometric probes If configured using the instrument operating parameters as ratiometric inputs using the instrument operating parameters 0 to 5 V ratiometric probes can be connected to terminals S4 GND S3 GND and Vcc acc
19. DS 3 as required 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 V4L 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 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 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 A1 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 mainte
20. I O module CAREL retrofit controller A LEGGI E CONSERVA QUESTE ISTRUZIONI 4 READ AND SAVE THESE INSTRUCTIONS CAREL 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 specificied 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 the service or maintenance operations must be performed by expert and skilled personnel only aware of the necessary precautions to be taken Before accessing the 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 acc
21. N 60730 2 9 and EN61010 1 safety standards AS 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 Cod CAREL 030220241 rel 1 1 del 20 06 05 3 Modulo 1 0 1 2 User interface e POWER LED Green ON when the 1 0 module is powerd correctly L power gt A Ll e SERIAL LINE LED Yellow e 1i Ate When on signals indicates connection to the supervisory S system e ALARM LED Red Netw If OFF normal operation ADR If ON signals that the alarmi are disabled If flashing indicates a current alarm e Key The connector is used to connect the programming key for reading writing the controller s operating parameters e 2 Rotary switch 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 Reset VO module PSOPZKEYOO 2 Installation The I O module can manage analogue inputs optically isolated digital inputs with a voltage signal and voltage free contacts opecifically MTC mA SV NTC mA 5V NTC zz NTC E AS 485 Sw cel 52 JN le eww s oo s fono 3 Ss MEE no no c POWER Vac opto Vac opto La a e DI1 DI2 optically isolated digital input with voltage signal Vac opto Va opto e 1
22. NTC 3 NTC 4 NTC 1 DI 5 DI 6 3NTC 4NTC 2 1 NIC 2 NIC 3 4 to 20mA 4 4 to 20 mA 3 DI 5 DI 6 3 4 to 20 mA 4 4 to 20 mA 4 1 NTC 2 NTC 3 5 V rat 4 5 V rat with range 0 5 to 4 5 5 DI 5 DI 6 3 5 V rat 4 5 V rat with range 0 5 to 4 5 6 1 NTC 2 NTC 35 Vrat 45V rat with range 0 5 to 4 5 V 7 DI 5 DI 6 3 5 V rat 4 5 V rat with range 0 5 to 4 5 V The probe fault alarms AS3 AS4 are not active for the 5 V ratiometric probes Cod CAREL 030220241 rel 1 1 del 20 06 05 10 Modulo I O seconds Modulo I O PROBES Number of probes present 0 No is 15 15 1 probe 2 probe 3 probe 4 probe 5 probe 6 probe 7 probe 8 probe 4 9 probe 4 10 probe 4 11 probe 4 12 probe 4 13 probe 4 14 probe 4 15 probe 4 CF Temperature in degrees centigrade or Fahrenheit NTC only 0 centigrade 0 1 0 1 Fahrenheit C ANALOGUE INPUT 1 valid for MOD 0 2 4 Probe 1 associated with digital input 1 2 3 4 1 dig input 1 2 dig input 2 J not associated 4 not associated High alarm threshold for probe 1 Max end scale alarm disabled a 000 9 000 C a h ow alarm threshold for probe 1 FS min alarm disabled TT 200 0 Ht Alarm delay minutes e and low thresholds probe 1 i Filter tells aa probe 1 fast response 15 slow response Offset probe 1 calibration o 100 100 Loop Xs Variation in readings probe 1 for transmission to the supervi
23. R Vac opto Va opto Digital 1 2 optically isolated i Terminals DI1 DI2 and COM can be used to connect two digital inputs with voltage signals Eg 024 Dn comf oz w 115 104230 The power supply to the inputs depends on the model of the instrument as per the table below MODEL POWER SUPPLY IOM0023000 230 Vac IO0M0011500 115 Vac I0M0002400 Warning other devices should not be connected to inputs ID1 and ID2 for example relay coils In the specific case of the 230 Vac inputs if necessary install the dedicated RC filter in parallel with the coil Cod CAREL 030220241 rel 1 1 del 20 06 05 D Modulo 1 0 CONTROL F DI LDE ao RC filter Characteristics Voltage supported MONITORED 1 0 5 uF 100R 250 Vac 24 115 V COM 0 5 uF 100R 400 Vac 230 V 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 DI5 GND DIG GND according to the diagram below NTE 2 NTC 25 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 4 Connecting the analogue inputs 2 4 1 NTC probes If the inputs are configured using the instrument operating parameters for NTC probes using the instrument operating parameters standard CAREL NTC probes can be connected to terminals S1 GND S
24. ZKEYOO Operating humidity 20 to 80 rH non condensing Storage humidity 0 to 80 rH non condensing Environmental pollution Environmental pollution S O Al Warning des the adjustments on the front panel should be carried out with the operator earthed to avoid creating electrostatic discharges CAREL reserves the right to make modifications or changes to its products without prior notice Cod CAREL 030220241 rel 1 1 del 20 06 05 30 Modulo 1 0 Cod CAREL 030220241 rel 1 1 del 20 06 05 31 CAREL _ 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 carek com e mail carel carel com Cod 030220240 rel 1 1 del 20 06 05
25. 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 RELAY 1 RELAY 2 RELAY 3 RELAY 4 o Contacideenegis IL lego Contact energised E AA MEN 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 RELAY 1 RELAY2 RELAY3 RELAY4 Up to 15 otatus maintained at the last setting THEE Relay de energised when OFF LINE __ ALCOMM Relay energised when OFF LINE ES o For values less than 16 the I O module maintains the last status before going off line from the supervisor To use the ENABLE function enter the value 16 relay de energised when OFF LINE while 16 4 1 17 relay energised when OFF LINE BUZ Used to modify the operating modes of the buzzer 0 the buzzer can be activated via the serial connection 1 the buzzer is activateds if there is no communication for more than 5 minut
26. dibili le macro provenienti da questa fonte J attiva macro e Ulteriori informazioni 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 files generated can also be defined if the directory is not already present it is created automatically Help Caratteristiche programma di configuraizone chiave per I O MODULE Compatibilit con 0 MODULE versione firmware 1 0 Configurazione indirizzo porta parallela 0 Nome file temporaneo per iome2p txt lettura scrittura default iome2p txt Tet Tet Nome file configurazione parametri iomdt32 txt con Dtest default iomdt32 txt Nome file configurazione parametri iomsup cfg da supervisore default iomsup cfg Path file generati c temp Writing the parameters to the key using the programming software 1 2 di 4 Insert the key in the special connector 4 pin AMP on the programming card connected to the PC Run the programming software supplied by CAREL when prompted to activate the macro click OK to proceed Modify the parameters according to the desired configuration making sure not to exceed the pre set range of values Select the WRITE button the system will automatically copy the selected parameters to the key When the LED on the key is red the data transfer is in progress Once the key has been programmed the LED will b
27. digital input is monitored as a normally open or normally closed alarm The physical status of the digital input is monitored using the variable Dlx If the alarm status is present for a time greater than Dx the alarm signal AFx is activated 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 DI1 and DI2 are always active To enable the reading of DI5 and DI6 set MOD 1 3 5 or 7 2 Set the parameter Ax 1 or 2 3 Set the alarm delay time Dx 4 Set the alarm maintenance time DKx 5 No probe needs to be associated with the digital input 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 the defrost the high and low temperature alarms The alarms are disabled for all the probes where Ny x The defrost status is 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
28. e LEDs red and after a few seconds green 4 if the 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 PSOPZKEYOO oOo Cod CAREL 030220241 rel 1 1 del 20 06 05 19 Modulo 1 0 Copying the parameters from the instrument to the CAREL hardware key PSOPZKEYOO Reading the parameters on the instrument with the key 1 2 di 4 open the rear cover on the key and place the two dipswitches in the OFF position Close the cover connect the key to the port on the instrument press and hold the button on the key checking the sequence of the LEDs red and after a few seconds green 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 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 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 t
29. e are displayed in the blue column SCRI Write the parameters to the key values previously set in the yellow column 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 1 0 module s electronic controllers are supplied already preprogrammed with the default parameters providing for operation in applications that require four NTC probes and two digital inputs with voltage signals for example the control of a refrigerated cabinet with multiple evaporators MOD NTC 2NTC 3 NTC ANTC DI and DIZ optically isolated CR AE MODE Relay NOatresth RELEPWUP OO Openatpowerup 0000 Buz ATEO BUZZ PWUP 0 Muted at powerup SSS AMD ATT D MTD2 N NO Fag Fterforprobes 00 273 IN AE 1 2 2 1 2 AA PI Cod CAREL 030220241 rel 1 1 del 20 06 05 21 Modulo I O 4 Operation The CAREL 1 0 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
30. e green The key can now be removed from the connector and used to program the instruments Cod CAREL 030220241 rel 1 1 del 20 06 05 20 Modulo 1 0 Reading the parameters on 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 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 687 File Modifica Visualizza Inserisci Formato Strumenti Dati Finestra 2 8 x nz uem o c r jw 0 z acia v ws eRe a TAR Arial s laa res Sa E 20 e HS A AI J K J Descrizione Valore Unit di scrittura misura S Checksum dati E2P 4 Tipo macchina 5 Versione software Tipologia ingr Digitale 1 D1 Secondi di ritardo ingr Dig 1 allarme time out defrost tempo inibizione allarmi o tempo 10 massimo cleaning cycle al DK1 Secondi di mantenimento allarme ingr digit 1 MTD1 Segnalazione in caso di timeout defrost da 121 ingr 1 42 M4 1 bi Parametri Config 7 Ja i mH Read the parameters saved on the key previously read from the I O module thes
31. e 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 fourth unit to measure control 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 correctly 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 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 A1 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 21 to ensure that the probe alarms are disabled oet the defrost duration time using the parameter D 1
32. eactivated 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 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 Cod CAREL 030220241 rel 1 1 del 20 06 05 26 Modulo 1 0 7 Control parameter database Normal Read Write Description Management analogue BENE EA RAW RAW E se i dei E E dei V3L low value probe 3 only valid for models 2 3 4 5 V3H high value probe 3 only valid for models 2 3 4 5 10 i rr rl 13 RW jOlofsefoprobed OOOO Lia RW jOZofsetforpobe2 OOOO DS2 reading variation for probe 2 19 RAN DS3 reading variation for probe 3 DS4 reading variation for probe 4 ST value probe AAA S2 value probe AO SS value probe S4 value probe4 O MOD ty
33. eaturing simultaneous defrosts Configuration for the cabinet Setting the I O module to the control a multiplexed island 1 2 3 4 5 6 7 8 Configure the type of the inputs using the parameter MOD as required As regards the cabinet the appropriate configuration is 4 NIC 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 Apply probe 1 to the first unit to measure control the temperature of the cabinet 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 a E a Un E E R 1 Modify the probe offset by setting parameter O 1 and the probe reading variation by setting parameter DS 1 as required Apply probe 2 to the evaporator on the second unit to measure control 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 0 2 and the probe reading variation by setting parameter DS 2 as required Apply probe 3 to the evaporator on the third unit to measure control the temperature of cabinet 3 Set the high and low temperatur
34. ed 0 no defrost timeout 1 defrost timeout If the variable MTD digital is selected as signal alarm at end defrost by timeout that is MID 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 instrument after 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 it again Cod CAREL 030220241 rel 1 1 del 20 06 05 18 Modulo I O 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 var
35. es 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 1 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 0 buzzer deactivated 1 buzzer activated RELAY 1 ON OFF This variable is used to energise or de energise the relay from the supervisory system 0 relay de energised 1 relay energised Cod CAREL 030220241 rel 1 1 del 20 06 05 17 Modulo I O 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 one or more 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
36. h as a remote alarm condensers NOTE The PROBES parameter can be used to establish the analogue probes that are effectively 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 go yg Relay set via serial connection not linked to an internal alarm can be used as an auxiliary Relay linked to the high low alarms ATy H ATyL probe faults ASy digital input errors AFx and end defrost by timeout TDx 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 Cod CAREL 030220241 rel 1 1 del 20 06 05 8 Modulo I O 3 2 1 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 Vith 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 promptly react to a number of alarms that are considered important independently from the speed and the traffic on the superv
37. he key needs to be installed on a PC Installation of the additional software for programming the key Connect the programming interface to the parallel port LPT on the PC using the flat cable supplied Insert the connector on the key into the connector on the interface Install the program by running the file setup exe on the installation CD 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 Now open the Excel sheet from the START menu as follows START ALL PROGRAMS CAREL I OM configurator click the left mouse button or alternatively double clicking the icon on the desktop 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 Avviso di protezione 21x CiProgrammi CarelWOM ConfiguratorXOM config10 xls contiene macro provenienti da CAREL Dettagli L editore non amp stato autenticato pertanto potrebbe essere imitato Le credenziali non sono attendibili Poich le macro possono contenere virus si consiglia di disattivarle se si desidera evitare eventuali problemi Se le macro provengono da una fonte sicura disattivandole si potrebbero tuttavia perdere alcune funzionalit Considera sempre atten
38. iable MTD digital is selected as signal only for end defrost by timeout that is MID 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 0 buzzer inactive 1 buzzer active This is a read only parameter RELAY 1 status This is a digital variable used to identify the status of the relay 0 relay contact open 1 relay contact closed This is a read only parameter 3 7 Setting the parameters via the serial connection or hardware key 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 having setting the serial address identifier in the software to the same value as set on the instrument using the two
39. iagram with defrost timeout and alarm Dx Temperature ENT a Defrost ended by fart timeout Dx TDx i temperature i alarm ATyH If a probe alarm delay has also been set R 1 2 3 4 the high low temperature alarm will be disabled for the time D x R y 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 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 oet the disable alarm time Dx No probe needs to be associated to the digital input The time DKx is not enabled Se Ge tee 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 is closed If the parameter Dx 0 the cleaning cycle
40. ig input 2 If A2 1 2 EE MTD2 Signal if defrost timeout from input 2 0 signal to supervisor only 1 alarm signal to supervisor DIG INPUT 5 valid for MOD 1 3 5 A5 Type of dig input 5 0 normal input read only 1 alarm with input open 2 alarm with input closed 3 detect defrost 4 disable general alarms 5 detect cleaning cycle Alarm delay seconds dig input 5 If alarm delay A1 1 2 0 immediate alarm defrost timeout A1 3 0 infinite alarm disable time A1 4 0 infinite maximum cleaning cycle time A1 5 immediate timeout 0 Alarm maintenance time seconds dig input 5 If Ab 1 2 ER D MTD5 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 A6 Type of dig input 6 0 normal input read only 1 alarm with input open 2 alarm with input closed 3 detect defrost 4 disable general alarms 5 detect cleaning cycle DK6 Alarm delay seconds dig input 6 If alarm delay A1 1 2 0 immediate alarm defrost timeout A1 3 0 infinite alarm disable time A1 4 0 infinite maximum cleaning cycle time Al 5 0 immediate timeout DK6 Alarm maintenance time seconds dig input 6 If A6 1 2 M ID6 oignal if defrost timeout from input 6 0 signal to supervisor only 1 alarm signal to supervisor _ ANALOGUE INPUT FUNCTIONS lA MOD Type of instrument configuration of digital and analogue inputs 0 1 NTC 2
41. input x A 1 2 5 6 This parameter is used to select the function of the digital inputs Modulo I O 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 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 Undetermined time while the input is closed 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
42. isory 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 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 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 Set the parameter OUT 1 relay linked to the 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
43. isory system There are three operating modes Value of OUT Configuration Relay set via serial connection not linked to any internal alarm can be used as an auxiliary Relay linked to the high low alarms ATy H ATyL probe faults ASy digital input errors AFx and end defrost by timeout TDx 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 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 w
44. ith 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 REL PWUP 0 Open REL 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 is 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 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 Cod CAREL 030220241 rel 1 1 del 20 06 05 15 Modulo I O MODE Establishes the relay status a rest normally energised or de energised if OUT 1 or 2
45. lay 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 Connect digital input 6 to the auxiliary contact switch for example the door to the cold room Using the parameter 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 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 b
46. lectrostatic induction and consequent discharges IMPORTANT Never connect the digital outputs on the controller to loads of primary importance No liability is accepted for any damage caused to the utilities due to incorrect installation 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 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 O module in environments with the following characteristics relative humidity higher than the value specified in the technical specifications hea
47. m 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 high sensitivity the value 15 means more filtering and greater stability An intermediate value is recommended default 8 so as to achieve suitable stability 0 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 9C 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 4 L This represents the value corresponding to 4 mA or to 1096 of the 5 V ratiometric signal for analogue inputs 3 and 4 V 3 4 L MOD 2 3 Value corresponding to 4 mA MOD 4 5 6 7 Value corresponding to 10 of the 5 V ratiometric signal V 3 4 H This represents the value corresponding to 20 mA or to 90 of the 5 V ratiometric signal for analogue inputs 3 and 4 V 3 4 H MOD 2 3 Value corresponding
48. n 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 three 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 1000 m branches must not exceed 5 m 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 converterd must be fitted with the 120 Q W 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 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
49. nance 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 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 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 d
50. nnected 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 produced by the controller equal to 20 C 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 1 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 e
51. ording to the diagram below WHTC mA 5V NTC mA 5V NOTE indicates the probe power wire OUT the probe output 5 V rat signal and the reference wire 2 5 Local serial network As previouslyalready mentioned the I O modules are designed to be connected to the CAREL RS485 local network thus allowing the communication and supervision of data and information by the supervisor The supervisory system can monitor the operation of the refrigerationnt circuits controlled by the instruments eg temperature pressure alarms faults defrosts etc The CAREL supervisory system can be used to modify the instrument I O module s operating parameters according to the needs of the operator supervisor network RS485 up to 19 2 kbit Printer To a supervisor The figure shows a diagram of a series of I O modules connected in an RS485 network printer for the alarm log Cod CAREL 030220241 rel 1 1 del 20 06 05 7 Modulo I O All the versions of the I O module can be connected in a local network All the 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 corresponding the value that set on each instrument If the same address is assigned to more than one unit the network will not work consequently more tha
52. ording to the local legislation in force on waste disposal General warnings operating environments and connections The following conditions represent correct installation 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 TECHNCIAL QUESTION FOR MARKETING this is not IP65 therefore should refer to any water high levels of electromagnetic and or radio frequency interference e g transmitting antennae 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 to avoid electromagnetic disturbance separate as much as possible the probe signal and digital input cables from cables carrying inductive loads and power cables to avoid any electromagnetic disturbance Never lay power cables and probe cables in the same conduits including those for the electrical cables Do not install the probe cables in the immediate vicinity of power devices contactors circuit breakers or the like reduce the distancepath of the sensor cables as much as possible and avoid laying spiral paths around power devices To extend the probe cables use cables with a minimum cross section of at least 0 5 mm the cables to be co
53. pe of instrument PR PROBES number of probes present o A1 type of input 1 po A2 type of input 2 p A3 type of input 3 A4 type of input 4 A5 type of input 5 A6 type of input 6 D1 seconds alarm delay defrost timeout alarm disable time or maximum cleaning cycle time for input 1 o D2 seconds alarm delay defrost timeout alarm disable time or maximum cleaning cycle time for input 2 o hl Tr r 9 ru SIE D5 seconds alarm delay defrost timeout alarm disable time or maximum cleaning cycle time for input 5 D6 seconds alarm delay defrost timeout alarm disable time or maximum cleaning cycle time for input 6 N1 probe 1 associated with input x R1 alarm delay time in minutes for probe 1 F1 filter for probe 1 N2 probe 2 associated with input x R2 alarm delay time in minutes for probe 2 F3 filter for probe 3 N4 probe 4 associated with input x R4 alarm delay time in minutes for probe 4 F4 filter for probe 4 Cod CAREL 030220241 rel 1 1 del 20 06 05 27 N3 probe 3 associated with input x F2 filter for probe 2 Re AAA R3 alarm delay time in minutes for probe 3 Sas AAA ERES I I r Modulo I O pro A A AAA OUT selection of the RELAY operating modes OOOO MODE selection of the status of the alarm relay at stable state LINK matrix for assigning the alarms to the outputs 2 LINK2 matrix for assigning the alarms to the ou
54. r only for the alarms enabled by the matrices LINK1 and LINK2 This function is linked to the parameter REL 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 on the remote that will be connected RELE PWUP 0 Open REL PWUP 1 Closed Cod CAREL 030220241 rel 1 1 del 20 06 05 24 5 2 Modulo 1 0 Cold rooms The instrument can be used to monitorcontrol a cold room and in particular the temperature inside the cold room the correct operation during the defrost of the circuit the status of the fans and the status of an auxiliary function such as the opening of the door Configuration for cold rooms ae To set the I O module to monitor control the operation of a cold room carefully gt a E i l P 4 observe the following instructions I P9 4 l OO mL d 9 1 Configure the type of the inputs using the parameter MOD as required As Sn r 2 3 4 5 6 7 8 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 2 12 and the desired temperature scale CF Centigrade Fahrenheit Apply probe 3 to the thermostat sensor to monitor control the inside temperature Set the high and low temperature thresholds above and below which the alarm signals are activated H
55. represents the means for disabling the alarms corresponding to the associated probe inputs The physical status of the input is monitored using the variable Dlx The high and low alarms corresponding to the probes where Ny x are monitored using the variables ATyH and ATyL Configuring a digital input for detecting the defrost status 1 Install a temperature control probe on the cabinet or in the cold room oet 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 Setthe 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 0 signal only 1 alarm signal 6 The time DKx is not active in this function Cod CAREL 030220241 rel 1 1 del 20 06 05 22 Modulo 1 0 Diagram of normal defrost operation Dx Ry Return below the threshold before the delay time the Temperature 4 gt probe alarm delay time is reset DIx Exceeding of the threshold ignored as defrost in progress TDx ATyH D
56. rotary switchesd on the user interface click the mouse on the PARAMS parameters icon button in on the top right to access the window with the complete list of the parameters inon the instrument After having entereingd the parameter programming access password if required the configurations 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 Sd 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 to be should 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 press and hold the button on the key checking the sequence of th
57. s 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 4 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 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 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 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 Ab 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 de
58. sor Ria 888 9 0 ANALOGUE INPUT 2 valid for MOD 0 2 4 LADEN Probe 2 associated with digital input 1 2 3 4 1 dig input 1 2 dig input 2 3 not associated 4 not associated High alarm threshold for probe 2 Max end scale alarm disabled ie e TE BIS BO Low alarm threshold for probe 2 Min end scale alarm disabled 200 0 H2 255 ree ee IT q 15 slow o_ _ a aaae 02 Offset probe 2 CALIBRATION CCS 10 0 100 00 ec F e 5 0 JANADGUEINPUT3 a es N3 1 dig input 1 1 6 3 2 dig input 2 3 not associated 4 not associated 5 dig input 5 if MOD 1 3 5 7 6 dig input 6 if MOD 1 3 5 7 H Highalarmthresholdforprobe3 Max end scale alarm disabled E JA gg goo 0 C F bar 13 Low alarm threshold for probe 3 Min end scale alarm disabled Hn 200 0 H3 0 C F bar eo Alarm delay minutes high and low thresholds probe 3 255 Filter for probe 3 response 15 15 slow ny 03 Offsetprobe3 calibration 10 0 10 0 E C F bar DS3 Variation in readings probe 3 for transmission to the supervisor on 9 0 C F bar V3L Minimum value for probe 3 as 4 20 mA or 10 of 5 V ratiometric signal V3H bar MOD 2 3 4 5 6 7 V3H Maximum value for probe 3 as 4 20 mA or 90 of 5 V ratiometric signal V3L 819 0 30 0 bar MOD 2 3 4 5 6 7 NOTE values less than or equal to 819 must be set for
59. 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 cycle 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 2 Set the parameter Ax 5 3 Set the cleaning cycle time Dx 4 When the cleaning cycle is 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 Cod CAREL 030220241 rel 1 1 del 20 06 05 23 Modulo 1 0 5 Practical examples The following paragraphs describe some types oftypical applications and configurations solely as examples for the user as dDue to the variety ofmany applications 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 control a refrigerated cabinet on one line only with four different evaporators f
60. to 20 mA MOD 4 5 6 7 Value corresponding to 9096 of the 5 V ratiometric signal 4 to 20 mA probes MOD 2 3 ima i Probe alarm EU Prabe alarm Table of alarms for 4 to 20 mA probes T 1 Set Alarm Lower threshold Upper threshold 3 25 mA 3 75 mA 20 25 mA 20 5 mA 20 75 mA Cod CAREL 030220241 rel 1 1 del 20 06 05 14 Modulo 1 0 5 V ratiometric probes MOD 4 5 6 7 Vraz Frobe 10 3075 Frobe alarm D S rat 4 amp 5rat alarm Table of alarms for 5 V scale 0 5 V to 4 5 V 12 T3 T2 MOD 4 5 Lower threshold Upper threshold 0 25 V 0 375 V 4 625 V 4 75 V T3 MOD 6 7 Lower threshold Upper threshold none none none none none none For these two values of MOD the probe alarms AS3 and AS4 corresponding to the 5 V rat probes are not active Table of alarms for NTC probes T4 NTC MOD 0 1 2 4 Lower threshold Upper threshold 52 5 C 47 5 C 87 5 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 14 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 The OUT parameter defines whether the RELAY on the instrument is activated by the alarms detected internally or alternatively whether it can be controlled by the remote superv
61. 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 OUTL1 on the other hand to set the closed or energised status enter the value listed in the table above 4096 for the parameter OUTL1 The same procedure is used for the alarm AF2 the value 0 for the parameter OUTL1 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 24352 and enter this value for the parameter OUTL1 Cod CAREL 030220241 rel 1 1 del 20 06 05 16 Modulo I O OUTL2 This parameter refers to the alarms configured by LINK 2 those corresponding to the digital inputs with voltage free contacts and or the probes on the analogue inputs The same configuration procedure used for OULT1 is also used for this parameter For AF5 the value to be set in order to energise the relay is 4096
62. tputs 1 2 OUTL1 matrix of output status according to the alarms 1 2 OUTL2 matrix of output status according to the alarms 1 2 PRIORITY output priority in the event of multiple alarms ooo Y ALCOMM output status in the event of communication alarms DK1 alarm delay time in seconds for digital input 1 EA DK2 alarm delay time in seconds for digital input 2 fee DK3 alarm delay time in seconds for digital input 3 DK4 alarm delay time in seconds for digital input 4 DK5 alarm delay time in seconds for digital input 5 Lt DK6 alarm delay time in seconds for digital input 6 ae digital po BUZ selection of the buzzer ere E modes O A 4 NW MTD 2 defrost timeout mode input o iL MII defrost timeout eee wy defrost timeout mode input 4 CN sso mode ee 8 P W jiMiD jd fosttimeutmodeinutG o CO OS Not man 9 RW RELE 1 PWUP output C RELE 2 PWUP output Not man REL 3 PWUPI output Not man CENNI Lo REL 4 PWUP output Not man BUZZ OUT output Status Read Write Description Management gra La A stats RA ris PR esime 16 R jDisatsofiu3 Not man v JR jhD stausofipud Not ma 18 R DIS statusofinputs only valid if selected instead of probe 1 19 R 016 status of input 6
63. ture 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 AF5 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 0 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 0 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 0 alarm not present 1 probe 3 alarm active ASA probe 4 fault alarm this occurs when probe 4 as configured is disconnected or faulty and can therefore not measure the temperature correctly 0 alarm not present 1 probe 4 alarm active TDx This is a digital variable that signals the defrost timeout status on the configured input configur
64. ty of the CAREL I O module ensures maximum flexibility in its application The same standard hardware can be used to measure data from e chiller and heat pumps e roof top units e small medium air handling units e refrigerated cabinets e cold rooms e maturing rooms e compressor packs Inputs The I O module can manage e NIC probes e 4to 20mA transducers pressure temperature relative humidity e Qto5Vratiometric transducers pressure temperature relative humidity e X Voltage free digital contacts e Optically isolated digital contacts with voltage signals Output Digital relay output signal or remote alarm serial connection The IO 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 PSOPZKEYOO Specific software must be provided obtained from by CAREL e S485 serial data converter power supply connection cable e Reading programming key for CAREL controllers PSOPZKEYOO e Programming key kit with serial connection PSOPZPGROO e 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 E
65. ues If 1 and 2 are configured in the place of DI 5 and DI 6 setting the value 4096 enables the probe 1 threshold exceeded AT1H and AT1L 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 3 to activate the relay for the alarms AS3 and AT3L or AT3H set the value 16 and set the value 1 for AS4 and AT4L 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 DI1 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 2 256 4352 to activate AF1 and AF2 while for the parameter LINK2 set the value 16 OUTL1 OUTL2 If OUT 0 and after having correctly set the parameters LINK1 LINK2 the parameters OUTL1 and OUTL2 can be used to establish the status of the relay for each type of alarm at the moment of activation oooO RELAYI RELAY2 RELAYS RELAY Variable AM e 0 AF2 29 _ ggg BE eee eee DENEN NE AM NDESDEWCOC am AFSoASL ATIL ATH 496 0 AF6 o AS2 AT2L AT2H 256 lam ASSOATSLATSH 6 oo ASAoAMLAMH M _ OUTL1 This parameter refers
66. upervisor will be 250 0 C or 2418 0 F Cod CAREL 030220241 rel 1 1 del 20 06 05 13 Modulo I O CF Used to set the reading in degrees centigrade or Fahrenheit 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 1 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 is 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 fro
67. various kinds NTC temperature probes 4 20mA probes pressure relative humidity and 5 V ratiometric probes pressure The physical value depends on the type of probe connected pressure temperature relative humidity Each 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 2 Digital inputs The instrument can read acquire 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 DI and DI2 are always active In the case of DI5 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
68. vy 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 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
69. y the matrices LINK1 and LINK2 This function is linked to the parameter REL 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 on the remote that will be connected REL PWUP 0 Open REL PWUP 1 Closed Cod CAREL 030220241 rel 1 1 del 20 06 05 25 5 3 Modulo 1 0 Compressor Racks Configuration for compressor packs To set the I O module as an instrument for monitoring controlling the operation of a compressor pRack 1 2 3 4 o 6 7 8 Configure the type of the inputs using the parameter MOD as required As regards the compressor prack the most suitable configuration is 2 probes m 4 20 mA 2 DI with voltage free contacts and 2 optically isolated DI n os AA NP F MOD 3 Defineclare which probes are present PROBES 3 4 2 12 and the A desired temperature scale CF Centigrade Fahrenheit 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

User Manual - Gafco

Contents

Download Pdf Manuals

Related Search

Related Contents