IVC1-4PT RTD Module User Manual 1 Port Description 2 Indices
Contents
1. maximum allowable ripple voltage 5 55mA from basic module or external power supply Digital circuit 5Vdc 72mA from basic module Analog circuit 2 2 Performance Table 2 2 Performance Specification It Celcius C Fahrenheit F Channel No 4 Conversion 15 2 ms x 4 channel no conversion for unused a Rated Pti00 150 C 600 C Pt100 238 F 1112 F Cu100 30 C 120 C 22 F 248 F 30 C 120 C 22 F 248 F temperature range Cu50 12 bit A D conversion The temperature readings are stored as 16 bit two s complement Digital output Pt100 1500 6000 Pt100 Cu100 300 1200 Cu100 Cu50 300 1200 Cu50 2380 11120 220 2480 220 2480 Specification si 0 1 of full range Between analog circuit and digital circuit photocoupler Between analog circuit and input 24Vdc power internal isolation Between analog channels none Lowest resolution 2 3 Buffer Memory IVC1 4PT exchanges data with the basic module through Buffer Memory BFM After 1VC1 4PT is set through the host software the basic module will write data into VC1 4PT BFM to set the state of IVC1 4PT and display the data from IVC1 4PT on the host software interface See figures 4 1 4 4 Table 2 3 describes the contents of BFM of IVC1 4PT 100 Average temperature of CH1 101 Average temperature of CH2 200 Present temperature of CH1 a O 300 Error state word 1 700 Sa2. D O f i 8 Toave te J 5V Toa aia i a z gt E OB I NEIH He an 3 wire connection S 24V HI gt 5V N L ECio 4PT J Figure 1 4 Wiring of IVC1 4PT user port The circled 1 5 stands for the five points to be observed during wiring 1 Use shielded cables to input the thermal resistor signal Route them separate from power cable or any cable that may generate EMI The requirements on the thermal resistor signal input cable also include 1 The thermal resistance sensor Pt100 Cu100 or Cu50 can use 2 3 or 4 wire system the ascending measurement precisions When the cable is longer than 10m the 4 wire system is recommended 2 To reduce the measurement error and avoid EMI the cable should be shorter than 100 meters The measurement error is due to the connecting cable s impedance and the error may differ with different channels even within the same module Consequently we need to adjust the characteristics of each channel See 3 Setting Characteristics for details 2 If strong EMI exists connect the shielding ground FG to the PG terminal 3 Properly ground module PG terminal 4 The basic module s 24Vdc auxiliary output power or other qualified power supplies can be used as the power source for the analog circuit 5 Short the unused channel as shown in the figure 2 Indices 2 1 Power Supply Table 2 1 Power supply Item Specification 24Vdc 15 20
3. 2 Measured lo Measured 6000 temp 1 gt temp 2 Note 1 To use the default value of the module set the corresponding item to null or auto 2 If there is a D mark in the front that means the D register address of the corresponding main module 3 Standard temp and measured temp are used for module calibration Only Celsius degree can be used and the unit is 0 1 Celsius degree Figure 4 3 Setting CH3 4 2 Changing Characteristics Example The IVC1 4PT module address is 0 Connect CH1 to Pt100 thermal resistance to output Celsius data CH2 to Cu100 thermal resistance to output Celsius data CH3 to Cu50 to output Fahrenheit data and close CH4 They all have the characteristics shown in Figure 3 3 the 3 IVC1 4PT measured temperature is 5 C 41 F higher than the actual one In this case CH1 2 and 3 will output respectively 6000 1200 and 2480 at the actual measured temperature of 600 C 120 C and 248 Use data registers D1 D2 and D3 to receive the average value The channel characteristic adjusting method is shown in Figure 4 4 Note that the unit is Celsius and the adjusting range is within 1000 100 C 1 C1 APT Configuration Module version Module ID o Module error status o Temp exceed range status Channel_1 Average T emp mode Model Pti00 c ancien leads Average D 1 temp Standard 50 Standard temp 1 temp 2 Measured 10 Measured temp 1 temp 2 Curre
4. 5 19 R1 Negative thermal resistor signal input of CH1 CH4 1 2 Connecting Into System Through the extension cable you can connect IVC1 4PT to IVC1 series basic module or other extension modules While through the extension port you can connect other IVC1 series extension modules to IVC1 4PT See Figure 1 3 Removing extension port cover before connection Basic module Extension module Extension cable Figure 1 3 Connecting into system 1 3 Wiring Figure 1 4 shows the wiring of the user port Thermal Thermal resistance resistance re D Saa ee ae m 11 14 144 NVE N i Ps gC Ri R4 VS a cha eq RI j R4 1 a peas T C 5 14 N V 4p 4 wire connection a AGND 2 wire connection Ora hwo Thermal resistance R2 Daa p A AAA CH2 a 11 Thermal ies G s Ri resistance lt a R1 7 AGND C 11 Cn Sf It PW a ae if R1 O WwW Lon Thermal resistance Ua s R1 NNV ae ee 1S s l1 NNV 114 sedim AGND Tiga Ri FG s Ri
5. IVC1 4PT RTD Module User Manual Note To reduce the chance of accident please carefully read the operating instructions and safety precautions prior to use Only adequately trained personnel shall install or operate this product In operation strict compliance with applicable safety rules in the industry the operating instructions and safety precautions in this book is required 1 Port Description 1 1 Port The extension port and user port of VC1 4PT are both protected by a cover as shown in Figure 1 1 Removing the covers reveals the extension port and user port as shown in Figure 1 2 User port Extension port i Extension port cover P Q ee 50 i T T i 24V FG Rit R R R2 R3 m Rat Rt 9 O IVC1 4PT O Ir l User port cover i al if Extension cable CU Extension F cable Figure 1 1 IVC1 4PT appearance Figure 1 2 IVC1 4PT ports The extension cable connects IVC1 4PT to the system while the extension port connects IVC1 4PT to another extension module of the system For details on connection see 1 2 Connecting Into System The user port of IVC1 4PT is described in Table 1 1 Table 1 1 User port description Terminal Description 1 Analog power supply 24V Analog power supply 24V Shielding ground Positive thermal resistor signal input of CH1 CH4 S IOTA 48 r Auxiliary positive thermal resistor signal input of eee CH1 CH4 7 11 1
6. a 3 Setting Characteristics The input channel characteristics of 1VC1 4PT are the user adjustable linear relationship between the channel s analog input A and digital output D Each channel can be considered as the model shown in Figure 3 1 As it is of linear characteristic the channel characteristic can be defined by two points PO AO DO and P1 A1 D1 where DO is the channel digital output corresponding to analog input AO and D1 is the channel digital output corresponding to analog input A1 A D Channel Analog Digital input Channel output model Figure 3 1 IVC1 4PT channel characteristic The measurement error is caused by the impedance of the connecting cable You can correct it by setting the channel characteristic To simplify the operation process without affecting functions AO and A1 are respectively fixed to the analog 0 and 6000 in 0 1 C unit in the current mode That is to say in Figure 3 1 AO is 0 0 C and A1 is 600 which are not adjustable If you set the channel mode BFM 600 without changing DO and D1 of the corresponding channel the channel characteristic vs mode should be as shown in Figure 3 2 Default not adjusted Figure 3 2 Characteristics vs mode without changing DO and D1 Note When the mode is set to 1 or 3 or say when the output is in 0 1 F unit the temperature data read from the output data zone BFM 100 103 200 203 will be in 0 1 F unit b
7. mpling times for average of CH1 703 Sampling times for average of CH4 901 CHT A0 Table 2 3 BFM content Default Property 102 Average temperature of CH3 a R O 103 Average temperature of CH4 EO O OE R 201 Present temperature of CH2 oO O a 202 Present temperature of CH3 203 Present temperature of CH4 301 Error state word 2 a R O Th i 600 ermal resistance type and temperature RW mode select 0 701 Sampling times for average of CH2 702 Sampling times for average of CH3 8 RW 800 Characteristic setting confirmation H0000 RW command 0 900 CHT Do RW 902 CH1 D1 6000 RW CH1 A1 6000 RW CH2 D0 0 RW 0 RW 903 904 woos eeno o ooo w een ooo w CH2 A1 6000 R CH3 D0 0 RW CH3 A0 0 RW 910 CH3 D1 6000 RW S000 AW aE 914 CH4 D1 6000 RW so W Module software version Explanation 1 CH1 stands for channel 1 CH2 channel 2 CH3 channel 3 and so on 2 Property explanation R means read only An R element cannot be written RW means read and write Reading from a non existent element will get O 3 BFM 200 BFM 203 present temperature This value uses the unit of 0 1 C or 0 1 F as determined by BFM 600 For example 1000 means 100 C or 100 F as determined by BFM 600 and BFM 601 The average temperature is stored in BFM 100 BFM 103 4 BFM 300 Error state word 1 See Table 2 4 for its error state information Table 2 4 BFM 300 error state information Bit stat
8. ndard 10 Standard 6000 temp 1 temp 2 Measured 10 Measured 6000 temp 1 z temp 2 Note 1 To use the default value of the module set the corresponding item to null or auto 2 If there is a D mark in the front that means the D register address of the corresponding main module 3 Standard temp and measured temp are used for module calibration Only Celsius degree can be used and the unitis 0 1 Celsius degree Figure 4 1 Setting CH1 I C1 4PT Configuration Module ID D Module error status o Module version D Temp exceed range status o Channel_2 Temp mode ModelCu100 lt Average sampling time Average B gt Current temp p temp o o Standard lo Standard 6000 temp 1 temp 2 Measured 0 Measured 6000 temp 1 i temp 2 y Note 1 To use the default value of the module set the corresponding item to null or auto 2 If there is a D mark in the front that means the D register address of the corresponding main module 3 Standard temp and measured temp are used for module calibration Only Celsius degree can be used and the unit is 0 1 Celsius degree Figure 4 2 Setting CH2 1 C1 4PT Configuration Module ID D Module error status o Module version D Temp exceed range status o Channel_3 Temp mode Model Cuso F2 Average sampling time Average D3 Current temp p temp o p Standard lo Standard 6000 temp 1 temp
9. nt temp Note 1 To use the default value of the module set the corresponding item to null or auto 2 If there is a D mark in the front that means the D register address of the corresponding main module 3 Standard temp and measured temp are used for module calibration Only Celsius degree can be used and the unit is 0 1 Celsius degree Figure 4 4 Changing characteristic 5 Operation Inspection 5 1 Routine Inspection 1 Check that the analog input wiring meets the requirement see 2 4 Wiring 2 Check that the extension cable is properly inserted into the extension port of the basic module 3 Check that the 5V and 24V power supplies are not overloaded Note that the digital circuit of IVC1 4PT is powered by the basic module through the extension cable 4 Check the application and make sure the operation method and parameter range are correct 5 Set the IVC1 basic module to RUN state 5 2 Inspection Upon Fault In case of abnormality check the following items The status of the POWER indicator ON the extension cable is properly connected OFF check the extension cable connection and the basic module The wiring of analog input The status of the 24V indicator ON 24Vdc power supply normal OFF 24Vdc power supply faulty or IVC 1 4PT faulty The RUN indicator Flashing quickly IVC1 4PT normal OFF or flashing slowly Check the Error Status in IVC1 4PT Configuration dialogue box thr
10. ot perform A D conversion reducing the total conversion time Table 2 6 Meanings of X in the format Value of X Corresponding mode Aao o aa Pt100 thermal resistance digital signal unit 0 1 C 2 Pt100 thermal resistance digital signal unit 0 1 F Cu100 thermal resistance digital signal unit 0 1 C Cu100 thermal resistance digital signal unit 0 1 F 3 E as PS 4 x60 thermal resistance digital signal unit 01 C 6 5 0ub0 thermal resistance digital signal unit OTF 7 BFM 700 BFM 703 average sampling times setting Range 1 256 If the setting is outside this range the default value 8 will be used 8 BFM 900 BFM 915 channel characteristics settings which are set using two point method DO and D1 in 0 1 C unit represent the channel s digital outputs while AO and A1 also in 0 1 C unit the actual temperature inputs Each channel occupies 4 words Note the characteristic parameters are all in 0 1 C unit As for those parameters in Fahrenheit unit convert them into Celsius unit through the following format before writing them into the characteristic setting Celsius 5 9 x Fahrenheit 32 11 BFM 4094 module software version displayed automatically as Module Version in IVC1 4PT Configuration dialogue box of the host software as shown in Figure 4 1 12 BFM 4095 module ID The ID of IVC1 4PT is 0x5041 The user program in PLC can use this ID to identify the module before transceiving dat
11. ough the host software Notice 1 The warranty range is confined to the PLC only 2 Warranty period is 18 months within which period INVT Auto control Technology Co Ltd conducts free maintenance and repairing to the PLC that has any fault or damage under the normal operation conditions 3 The start time of warranty period is the delivery date of the product of which the product SN is the sole basis of judgment PLC without a product SN shall be regarded as out of warranty 4 Even within 18 months maintenance will also be charged in the following situations E Damages incurred to the PLC due to mis operations which are not in compliance with the User Manual E Damages incurred to the PLC due to fire flood abnormal voltage etc Damages incurred to the PLC due to the improper use of PLC functions 5 The service fee will be charged according to the actual costs If there is any contract the contract prevails 6 Please keep this paper and show this paper to the maintenance unit when the product needs to be repaired 7 If you have any question please contact the distributor or our company directly Shenzhen INVT Auto control Technology Co Ltd Address Gaofa Industry Park Longjing Nanshan District 518055 Shenzhen China Homepage www invt com cn Version V1 0 Revision date September 28 2011 All rights reserved The contents in this document are subject to change without notice
12. us of BEM 300 ON 1 OFF 0 b1 or b2 is 1 A D convertion of all b0 system error channels stopped b1 channel characteristic setting error b2 power supply failure Normal Channel characteristics setting normal Power supply normal Channel characteristics setting error in BFM 24Vdc power failure Fault with A D convertor or other hardware b4 b9 reserved b10 digital range A D conversion digital output exceeds Digital output error the range of 2048 2047 value normal b11 average Setting outside normal range in this Setting within sampling times case the previous valid setting will be normal range setting error restored 1 256 pig bisresened gt A 5 See Table 2 5 for the state information of BFM 301 Table 2 5 BFM 301 state information bo CH1 temperature below lower limit CH1 normal b3 hardware fault Hardware normal pi CHT normal D2 CH2 normal CH2 normal b5 CH3 temperature above upper limit CH3 normal 2e CH4 temperature below Tower imit CH4 normal CH4 normal Resa e a 6 BFM 600 channel mode setting used to set the working modes of CH1 CH4 See Figure 2 1 for their correspondence 600 Ox Working mode for CH1 Working mode for CH2 Working mode for CH3 Working mode for CH4 Figure 2 1 Mode setting element vs channel See Table 2 6 for the meaning of X Each channel s conversion time is 15ms When achannel is closed the channel will n
13. ut the data in the channel characteristics setting zone BFM 900 915 will still be in 0 1 C unit That is to say the data in the channel characteristics setting zone BFM 900 915 can only be in 0 1 C unit Keep this in mind when changing the values of DO and D1 You can change the characteristics by changing DO and D1 The setting range of DO is 1000 1000 0 1 C D1 5000 7000 0 1 C If the setting is outside this range IVC1 4PT will not accept it but maintain the original valid setting Figure 3 3 provides for your reference an example of characteristics adjustment when the measured value is 5 C 41 F higher the actual value A 0 1 C 950 6000 DO 50 D1 5950 1000 Figure 3 3 Change characteristic 4 Application Example 4 1 Basic Application Example The IVC1 4PT module address is 0 Connect CH1 to Pt100 thermal resistance to output Celsius data CH2 to Cu100 thermal resistance to output Celsius data and CH3 to Cu50 to output Fahrenheit data and close CH4 Set the average sampling times to 4 and use data registers D1 D2 and D3 to receive the average value See Figure 4 1 Figure 4 3 for the setting method For further details see VC Series PLC Programming Manual 1 C1 4PT Configuration Module version Module ID o Module error status o Temp exceed range status Channel_1 Temp mode ModelPti00 a Average sampling time Average o 1 Current temp D temp Sta
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