RKC INSTRUMENT COM-JG Instruction Manual Download Page 58

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7. COMMUNICATION DATA MAP

IMR01Y35-E3

Continued from the previous page.

Modbus

register address

No. Name Channel

HEX DEC

Attri-

bute

Data range

Factory

set value

Integral time [cool-side]

CH1
CH2
CH3
CH4

0534
0535
0536
0357

1332
1333
1334
1335

R/W

0 to 3600 seconds or 0.0 to 1999.9 seconds
(0, 0.0: PD action)

240

15 Derivative

time

[cool-side]

CH1
CH2
CH3
CH4

0538
0539

053A
053B

1336
1337
1338
1339

R/W

0 to 3600 seconds or 0.0 to 1999.9 seconds
(0, 0.0: PI action)

16 Overlap/Deadband

CH1
CH2
CH3
CH4

053C
053D
053E

053F

1340
1341
1342
1343

R/W

TC/RTD inputs:

−

Input span to +Input span (Unit:

C [

F])

Voltage (V)/Current (I) inputs:

−

100.0 to

100.0 % of Input span

17 Manual

reset

CH1
CH2
CH3
CH4

0540
0541
0542
0543

1344
1345
1346
1347

R/W

−

100.0 to

100.0 %

0.0

Setting change rate limiter
(up)

CH1
CH2
CH3
CH4

0544
0545
0546
0547

1348
1349
1350
1351

R/W

0 (0.0) to Input span/unit time *
0 (0.0): Unused

0 (0.0)

Setting change rate limiter
(down)

CH1
CH2
CH3
CH4

0548
0549

054A
054B

1352
1353
1354
1355

R/W

* Unit time: 60 seconds (factory set value)

0 (0.0)

Area soak time

CH1
CH2
CH3
CH4

054C
054D
054E

054F

1356
1357
1358
1359

R/W

0 minutes 00 seconds to 199 minutes 59 seconds:
0 to 11999 seconds
0 hours 00 minutes to 99 hours 59 minutes:
0 to 5999 minutes

Link area number

CH1
CH2
CH3
CH4

0550
0551
0552
0553

1360
1361
1362
1363

R/W

0 to 8
(0: No link)

Summary of Contents for COM-JG

Page 1: ...IMR01Y35 E3 COM JG For SRZ RKC INSTRUMENT INC PROFIBUS Communication Converter Instruction Manual ...

Page 2: ...INSTRUMENT INC SIMATIC is registered trademarks of SIEMENS AG Modbus is a registered trademark of Schneider Electric Company names and product names used in this manual are the trademarks or registered trademarks of the respective companies ...

Page 3: ...ed on to prevent electric shock fire or damage to instrument and equipment This instrument must be used in accordance with the specifications to prevent fire or damage to instrument and equipment This instrument is not intended for use in locations subject to flammable or explosive gases Do not touch high voltage connections such as power supply terminals etc to avoid electric shock RKC is not res...

Page 4: ...he specified torque found in the manual to avoid electric shock fire or malfunction For proper operation of this instrument provide adequate ventilation for heat dispensation Do not connect wires to unused terminals as this will interfere with proper operation of the instrument Turn off the power supply before cleaning the instrument Do not use a volatile solvent such as paint thinner to clean the...

Page 5: ...4 4 Connection to the Controllers 12 4 5 Installation of Termination Resistor 13 5 SETTING 15 5 1 PROFIBUS Address Setting 15 5 2 DIP Switch Setting 16 5 3 COM JG Initial Setting 17 5 4 Controller Address Auto Obtain Methods 19 6 PROFIBUS COMMUNICATION 21 6 1 PROFIBUS System Configuration 21 6 2 PROFIBUS Communication Data 22 6 2 1 Data types and data length of communication data 22 6 2 2 Static d...

Page 6: ...f Z DIO Module 53 7 5 COM JG Initial Setting Items 58 8 USAGE EXAMPLE 60 8 1 Handling Procedures 60 8 2 System Configuration 61 8 3 Use Instruments Setting 62 8 4 Contents Check of COM JG Initial Setting 63 8 5 PLC Tool Setting 70 8 5 1 Setting procedures 70 8 5 2 General procedures 73 8 5 3 COM JG initial setting 83 8 5 4 Communication item setting 102 9 TROUBLESHOOTING 113 10 SPECIFICATIONS 116 ...

Page 7: ...ype controller SRZ to a programmable controller hereafter called PLC for PROFIBUS The COM JG supports PROFIBUS DP protocol This protocol includes master and slave The PLC is the master and the COM JG is the slave Power supply 24 V DC PROFIBUS DP PROFIBUS communication converter COM JG Slave Programmable controller PLC Master Controller communication RS 485 Modbus SRZ unit Z TIO and Z DIO module Up...

Page 8: ...ist IMR01Y31 E 1 Enclosed with instrument COM JG For SRZ Instruction Manual IMR01Y35 E3 1 This manual Download free or purchase hard copy GSD file 1 Download free If any of the products are missing damaged or if your manual is incomplete please contact RKC sales office or the agent GSD file The GSD file for COM JG can be downloaded from the RKC official website URL http www rkcinst com english dow...

Page 9: ...ring PROFIBUS data send and receive Flashes PROFIBUS connector COM PORT Connector for PLC Master connection Switches Address setting switch Set the address for PROFIBUS DIP switch Set the communication speed for controller communication controller address auto obtain and controller communication enable disable Others Terminal cover Terminal covers above and below the COM JG Mounting bracket Used f...

Page 10: ... Connect power supply wires to the COM JG and also connect the COM JG to the controller SRZ and the COM JG to the PLC respectively Refer to 4 WIRING P 8 For controller SRZ refer to Z TIO INSTRUCTION MANUAL IMS01T01 E or Z DIO INSTRUCTION MANUAL IMS01T03 E Set communication parameters of controller SRZ Refer to 8 3 Use Instruments Setting P 62 Refer to Z TIO Host Communication Quick Manual IMS01T02...

Page 11: ...ount this instrument in the panel considering the following conditions Ensure at least 50 mm space on top and bottom of the instrument for maintenance and environmental reasons Do not mount this instrument directly above equipment that generates large amount of heat heaters transformers semi conductor functional devices large wattage resistors If the ambient temperature rises above 50 C 122 F cool...

Page 12: ...down the mounting bracket at the bottom of the instrument A Attach the hooks on the top of the instrument to the DIN rail and push the lower section into place on the DIN rail B 2 Slide the mounting bracket up to secure the instrument to the DIN rail C B Push Mounting bracket DIN rail A Pull down C Locked Unit mm ...

Page 13: ...ly KSRX 55 and then insert it in the rear of the terminal board at top of the instrument until locked but a mounting hole does not disappear 3 Mount each module directly on the panel with screws which are inserted in the mounting holes of the top and bottom mounting brackets Recommended tightening torque 0 3 N m 3 kgf cm The customer needs to provide the M3 size screws Select the screw length that...

Page 14: ...ise reduction Do not connect fuses or switches to the noise filter output wiring as this will reduce the effectiveness of the noise filter Power supply wiring must be twisted and have a low voltage drop For an instrument with 24 V power supply supply power from a SELV circuit A suitable power supply should be considered in end use equipment The power supply must be in compliance with a limited ene...

Page 15: ...e terminal Power supply Ground 2 1 7 6 5 4 14 13 12 11 10 9 8 3 The part of internal wiring As controller communication terminal Nos 1 4 and 5 are internally connected to terminal Nos 3 6 and 7 any terminals can be used As ground and power supply terminal Nos 8 9 and 12 are internally connected to terminal Nos 10 11 and 14 any terminals can be used Terminal No 2 and No 13 is not used ...

Page 16: ... 9 COM JG Pin No Signal name Symbol 1 Unused 2 Unused 3 Receive data Transmission data plus RxD TxD P 4 Unused 5 Signal ground DGND 6 Termination resistor supply voltage 5 V VP 7 Unused 8 Receive data Transmission data negative RxD TxD N 9 Unused For the connectable connector of the PLC refer to the instruction manual for the used PLC ...

Page 17: ...ion speed For cable type A Communication speed kbps 9 6 19 2 93 75 187 5 500 1500 12000 Cable length m 1200 1200 1200 1000 400 200 100 Connect the termination resistor to the end of a bus Refer to below Termination resistor Signal VP 390 Ω 220 Ω 390 Ω RxD TxD P RxD TxD N DGND Customer must provide the PROFIBUS cable a connection cable of PLC and COM JG As for the PROFIBUS cable there is a case pre...

Page 18: ...5 SG COM JG SG 1 5 4 R1 Terminal block T R A T R B 3 4 5 SG T R B T R A T R B T R A Z TIO module Z TIO module Connected by the internal communication line R1 Internal termination resistor Example 120 Ω 1 2 W The cable and termination resistor s must be provided by the customer A combined total of up to 31 Z TIO and Z DIO modules can be connected in the SRZ however in some cases this may not be pos...

Page 19: ...rovided with a selector switch for choosing the ON OFF of a termination resistor it is not required to externally install the termination resistor Factory set value Termination resistor connected 1 Turn off the power supply of the COM JG Do not separate the mainframe from terminal base with the power turned on If so instrument failure may result 2 Pull out the mainframe itself toward you while pus...

Page 20: ... resistor connected Termination resistor transfer switch Termination resistor ON 120 Ω 1 2 W Termination resistor OFF Factory set value ON OFF ON A terminal base of the state which removed module mainframe 4 Push the mainframe thus separated in the terminal base until firmly locked Terminal base Mainframe Push the module mainframe until firmly locked Mounting the module mainframe ...

Page 21: ...FIBUS For this setting use a small slotted screwdriver No communication with PROFIBUS can be conducted with each factory set value 00h left as it is Set it to the same value as the PROFIBUS address set when system configured Setting range 1 to 125 01h to 7Dh hexadecimal Factory set value 00h Address setting switch 9 8 7 CB A 6 5 4 3 2 1 0 F E D 9 8 7 CB A 6 5 4 3 2 1 0 F E D High order digit setti...

Page 22: ...s auto obtain OFF Auto obtain off No controller address search when power is turned on ON Auto obtain on Controller address search and update when power is turned on Factory set value Auto obtain off Refer to 5 4 Controller Address Auto Obtain Methods P 19 7 Controller communication enabled disabled OFF Controller communication enabled ON Controller communication disabled When COM JG initial setti...

Page 23: ...ng P 70 Setting preparations To configure the COM JG initial setting items controller communication must be disabled using the DIP switches Change DIP switch No 7 to ON controller communication disabled on the left side of the COM JG DIP switch 1 2 3 4 5 6 7 8 ON 1 2 3 4 5 6 7 8 ON OFF ON Controller communication disabled When you have completed the initial settings of the COM JG be sure to return...

Page 24: ...ed this setting is not necessary For information on the continuous accesses enable selection refer to also Continuous accesses enable selection P 66 in 8 4 Contents Check of COM JG Initial Setting Static data read range elective setting When a communication item is specified in a static data request a read or write request is normally sent to the same Modbus register address of all connected contr...

Page 25: ...that the controller SRZ communication settings have been completed To execute controller address auto obtain DIP switch No 7 on the left side of the COM JG must be set to OFF controller communication enabled 1 Set DIP switch No 4 on the left side of the COM JG to ON auto obtain ON Set the controller communication speed with DIP switch Nos 1 and 2 Set the controller communication speed to the same ...

Page 26: ...switch No 4 on the left side of the COM JG to OFF auto obtain OFF Example When the controller SRZ configuration is three Z TIO modules and two Z DIO modules The data in controller addresses 6 to 31 will be 0 No controller connected The controller address of a Z TIO module will be the value decimal set in the address setting switch plus 1 The controller address of a Z DIO module will be the value d...

Page 27: ...system configuration of PROFIBUS By combining all GSD files of the slaves to be connected the configuration tool creates a master parameter record containing all pertinent data for the bus system The configuration of a PROFIBUS system is enabled by downloading these data to a master Slave PROFIBUS DP GSD file PROFIBUS configuration tool System configuration COM JG I O Sensor Drive Field device PLC...

Page 28: ...Total number of continuous accesses b Error state register 1 byte Write permission flag register 1 byte Write control flag register 10 bytes 12 c Write permission flag register 1 byte Write control flag register 10 bytes 11 Number of connection channels Number of static data 1 channel Maximum of 40 items for both read and write 16 channels Maximum of 5 items for both read and write 31 channels Max...

Page 29: ... Data range 1 to 99 0 at Modbus is invalidated Byte 2 Byte 3 The communication item address of controller to from which data is written read is specified Z TIO module Data address range 0000H to 035BH Z TIO module Address range of memory area 0500H to 0553H Z DIO module Data address range 0000H to 00DBH Byte 4 Byte 5 Write data of a communication item If Bit 7 in Byte 0 is set to 1 Data write data...

Page 30: ...d Z TIO module Data address range 0000H to 035BH Z TIO module Address range of memory area 0500H to 0553H Z DIO module Data address range 0000H to 00DBH Byte 4 Byte 5 Data of communication item For data read the current value of relevant communication item is stored For data write the current value of relevant communication item is stored If the written data is validated the written value is retur...

Page 31: ... No instrument error 1 Instrument error Bit 1 Time out error 0 No time out error 1 Time out error Bit 2 Controller communication validate invalidate 0 Controller communication is validated 1 Controller communication is invalidated Bit 3 Controller communication initialization 0 Completed initialization of controller communication 1 During initialization of controller communication Instrument error...

Page 32: ...g register This register controls whether data writing is permitted or not permitted for each requested word Permitted or not permitted is set by bit for each requested word of a static data write request 0 Not permitted 1 Permitted The write control flag register allocates a static data write request for 10 bytes of data with each byte containing 8 words and sets the bit for each word to permitte...

Page 33: ...Read value corresponding to communication item address 0000 Measured value PV 1205 Hexadecimal number 04B5H Example 2 When temperature measured value of controller is 130 C Read value corresponding to communication item address 0000 Measured value PV 130 Hexadecimal number 0082H For numeric data value with minus sign The value is expressed as a 2 s complement value which is obtained by subtracting...

Page 34: ... when carry out read write of data HEX Hexadecimal DEC Decimal With respect to the following communication data of the Z TIO module the register addresses of the indicated channels are non used areas 2 channel type module Register addresses of the 3rd and 4th channels Heat Cool control and Position proportioning control Register addresses of the 2nd and 4th channels Cool only communication data of...

Page 35: ...Z DIO module Normal setting data No 1 to 13 Engineering setting data No 15 to 28 The Engineering setting data should be set according to the application before setting any parameter related to operation Once the Engineering setting data are set correctly no further changes need to be made to datas for the same application under normal conditions If they are changed unnecessarily it may result in m...

Page 36: ... the parameter Remote Local transfer is set to 1 Remote mode 4 Error code 000C 12 RO Bit data Bit 0 Adjustment data error Bit 1 Data back up error Bit 2 A D conversion error Bit 3 Unused Bit 4 Unused Bit 5 Logic output data error Bit 6 to Bit 15 Unused Data 0 OFF 1 ON Decimal number 0 to 63 If two or more errors occur simultaneously the total summation of these error codes is displayed 5 Manipulat...

Page 37: ...6 0037 0038 53 54 55 56 RO 0 OFF 1 ON 16 Output state monitor 0039 57 RO Bit data Bit 0 OUT1 Bit 1 OUT2 Bit 2 OUT3 Bit 3 OUT4 Bit 4 to Bit 15 Unused Data 0 OFF 1 ON Decimal number 0 to 15 When control output is specified this function is available only for a proportioning control 17 Memory area soak time monitor CH1 CH2 CH3 CH4 003A 003B 003C 003D 58 59 60 61 RO 0 minutes 00 seconds to 199 minutes...

Page 38: ...110 111 112 113 R W 1 to 8 1 28 Interlock release CH1 CH2 CH3 CH4 0072 0073 0074 0075 114 115 116 117 R W 0 Normal state 1 Interlock release execution 0 29 Event 1 set value EV1 CH1 CH2 CH3 CH4 0076 0077 0078 0079 118 119 120 121 R W 50 30 Event 2 set value EV2 CH1 CH2 CH3 CH4 007A 007B 007C 007D 122 123 124 125 R W 50 31 Event 3 set value EV3 CH1 CH2 CH3 CH4 007E 007F 0080 0081 126 127 128 129 R ...

Page 39: ...ol 0 Heat Cool PID control 2 40 Proportional band cool side CH1 Unused CH3 Unused 00A2 Unused 00A4 Unused 162 Unused 164 Unused R W TC RTD inputs 1 0 1 to Input span Unit C F Varies with the setting of the Decimal point position selection Voltage V Current I inputs 0 1 to 1000 0 of Input span If control is other than Heat Cool PID control set to RO Only reading data is possible TC RTD 30 V I 30 0 ...

Page 40: ...A 0 0 Not used If there is no Current transformer CT or CT is assigned to 0 None set to RO Only reading data is possible 0 0 50 Heater break determination point CH1 CH2 CH3 CH4 00CA 00CB 00CC 00CD 202 203 204 205 R W 0 0 to 100 0 of HBA set value 0 0 Heater break determination is invalidated If there is no Current transformer CT or CT is assigned to 0 None set to RO Only reading data is possible I...

Page 41: ...tact output 20 0 Voltage pulse output Triac output and Open collector output 2 0 63 Minimum ON OFF time of proportioning cycle CH1 CH2 CH3 CH4 00FE 00FF 0100 0101 254 255 256 257 R W 0 to 1000 ms This item becomes RO Only reading data is possible for the Voltage Current output specification 0 64 Manual manipulated output value CH1 CH2 CH3 CH4 0102 0103 0104 0105 258 259 260 261 R W PID control Out...

Page 42: ...e 1 CH1 CH2 CH3 CH4 0122 0123 0124 0125 290 291 292 293 R W 0 to 3600 seconds or 0 0 to 1999 9 seconds 0 73 EDS transfer time for disturbance 2 CH1 CH2 CH3 CH4 0126 0127 0128 0129 294 295 296 297 R W 0 74 EDS action time for disturbance 1 CH1 CH2 CH3 CH4 012A 012B 012C 012D 298 299 300 301 R W 1 to 3600 seconds 600 75 EDS action time for disturbance 2 CH1 CH2 CH3 CH4 012E 012F 0130 0131 302 303 30...

Page 43: ...cation switch 3 Bit 3 Communication switch 4 Bit 4 to Bit 15 Unused Data 0 OFF 1 ON Decimal number 0 to 15 0 84 Unused 014F 0175 335 373 Set data No 85 or later are for Engineering setting Writable in the STOP mode 85 Input type CH1 CH2 CH3 CH4 0176 0177 0178 0179 374 375 376 377 R W 0 TC input K 1 TC input J 2 TC input R 3 TC input S 4 TC input B 5 TC input E 6 TC input N 7 TC input T 8 TC input ...

Page 44: ...ected input range to Input scale high Voltage V Current I inputs 19999 to 99999 However a span is 20000 or less Varies with the setting of the Decimal point position TC RTD Minimum value of the selected input range V I 0 0 90 Input error determination point high CH1 CH2 CH3 CH4 018A 018B 018C 018D 394 395 396 397 R W Input error determination point low to Input range high 5 of Input span Input ran...

Page 45: ... value Based on model code When not specifying 0 97 Event 1 channel setting CH1 CH2 CH3 CH4 01A6 01A7 01A8 01A9 422 423 424 425 R W 1 Channel 1 2 Channel 2 3 Channel 3 4 Channel 4 This function is validated when Deviation between channels is selected 1 98 Event 1 hold action CH1 CH2 CH3 CH4 01AA 01AB 01AC 01AD 426 427 428 429 R W 0 OFF 1 Hold action ON when power turned on when transferred from ST...

Page 46: ...Deviation high low Local SV value used 1 17 Deviation Local SV value used 1 18 Deviation between channels high 1 19 Deviation between channels low 1 20 Deviation between channels high low 1 21 Deviation between channels band 1 1 Event hold action is available 2 If there is Feedback resistance FBR input in Position proportioning control set to the Feedback resistance FBR input value Based on model ...

Page 47: ...V low 9 Temperature rise completion 10 MV high heat side 1 2 11 MV low heat side 1 2 12 MV high cool side 1 13 MV low cool side 1 14 Deviation high Local SV value used 1 15 Deviation low Local SV value used 1 16 Deviation high low Local SV value used 1 17 Deviation Local SV value used 1 18 Deviation between channels high 1 19 Deviation between channels low 1 20 Deviation between channels high low ...

Page 48: ... limiter isbeing operated Bit 4 to Bit 15 Unused Data 0 Invalidate 1 Validate Decimal number 0 to 15 0 117 Event 4 type CH1 CH2 CH3 CH4 01F6 01F7 01F8 01F9 502 503 504 505 R W 0 None 1 Deviation high SV monitor value used 1 2 Deviation low SV monitor value used 1 3 Deviation high low SV monitor value used 1 4 Band SV monitor value used 1 5 Process high 1 6 Process low 1 7 SV high 8 SV low 9 Contro...

Page 49: ... 1 0 122 Event 4 delay timer CH1 CH2 CH3 CH4 020A 020B 020C 020D 522 523 524 525 R W 0 to 18000 seconds 0 123 Force ON of Event 4 action CH1 CH2 CH3 CH4 020E 020F 0210 0211 526 527 528 529 R W Bit data Bit 0 Event output turned on at input error occurrence Bit 1 Event output turned on in manualmode Bit 2 Event output turned on during the Autotuning AT function is being executed Bit 3 Event output ...

Page 50: ...de When not specifying 1 133 Integral Derivative time decimal point position CH1 CH2 CH3 CH4 0236 0237 0238 0239 566 567 568 569 R W 0 1 second setting No decimal place 1 0 1 seconds setting One decimal place 0 134 Derivative action CH1 CH2 CH3 CH4 023A 023B 023C 023D 570 571 572 573 R W 0 Measured value derivative 1 Deviation derivative 0 135 Undershoot suppression factor CH1 Unused CH3 Unused 02...

Page 51: ...t limiter high heat side CH1 CH2 CH3 CH4 026A 026B 026C 026D 618 619 620 621 R W Output limiter low to 105 0 Position proportioning control Becomes validated only when there is Feedback resistance FBR input and it does not break 105 0 147 Output limiter low heat side CH1 CH2 CH3 CH4 026E 026F 0270 0271 622 623 624 625 R W 5 0 to Output limiter high Position proportioning control Becomes validated ...

Page 52: ...l time adjusting factor heat side CH1 CH2 CH3 CH4 029A 029B 029C 029D 666 667 668 669 R W 0 01 to 10 00 times 1 00 159 Derivative time adjusting factor heat side CH1 CH2 CH3 CH4 029E 029F 02A0 02A1 670 671 672 673 R W 0 01 to 10 00 times 1 00 160 Proportional band adjusting factor cool side CH1 Unused CH3 Unused 02A2 Unused 02A4 Unused 674 Unused 676 Unused R W 0 01 to 10 00 times 1 00 161 Integra...

Page 53: ...time limiter high cool side CH1 Unused CH3 Unused 02CE Unused 02D0 Unused 718 Unused 720 Unused R W 3600 172 Integral time limiter low cool side CH1 Unused CH3 Unused 02D2 Unused 02D4 Unused 722 Unused 724 Unused R W 0 to 3600 seconds or 0 0 to 1999 9 seconds Varies with the setting of the Integral Derivative time decimal point position selection If control is other than Heat Cool PID control set ...

Page 54: ...0305 770 771 772 773 R W 0 Activate the Startup tuning ST function when the power is turned on when transferred from STOP to RUN or when the Set value SV is changed 1 Activate the Startup tuning ST function when the power is turned on or when transferred from STOP to RUN 2 Activate the Startup tuning ST function when the Set value SV is changed 0 185 Automatic temperature rise group CH1 CH2 CH3 CH...

Page 55: ...on control 3 Auto Manual 4 Remote Local 5 Unused Do not set this one 0 197 Operation mode assignment 2 Logic output selection function Logic output 5 to 8 CH1 CH2 CH3 CH4 0336 0337 0338 0339 822 823 824 825 R W 0 No assignment 1 Operation mode monitor control 2 Operation mode monitor event function control 3 Auto Manual 4 Remote Local 5 Unused Do not set this one 0 198 SV select function CH1 CH2 C...

Page 56: ...0354 0355 850 851 852 853 R W 1 to 99 Becomes validated when the selected module is Z TIO module 1 205 Selection switch of interacting modules CH1 CH2 CH3 CH4 0356 0357 0358 0359 854 855 856 857 R W Bit data Bit 0 Memory area number Bit 1 Operation mode Bit 2 Auto Manual Bit 3 Remote Local Bit 4 EDS start signal Bit 5 Interlock release Bit 6 Suspension of area soak time Bit 7 to Bit 15 Unused Data...

Page 57: ...value SV CH1 CH2 CH3 CH4 051C 051D 051E 051F 1308 1309 1310 1311 R W Setting limiter low to Setting limiter high TC RTD 0 V I 0 0 9 Proportional band heat side CH1 CH2 CH3 CH4 0520 0521 0522 0523 1312 1313 1314 1315 R W TC RTD inputs 0 0 0 to Input span Unit C F Voltage V Current I inputs 0 0 to 1000 0 of Input span 0 0 0 ON OFF action ON OFF action for both heat and cool actions in case of a Heat...

Page 58: ...n to Input span Unit C F Voltage V Current I inputs 100 0 to 100 0 of Input span 0 17 Manual reset CH1 CH2 CH3 CH4 0540 0541 0542 0543 1344 1345 1346 1347 R W 100 0 to 100 0 0 0 18 Setting change rate limiter up CH1 CH2 CH3 CH4 0544 0545 0546 0547 1348 1349 1350 1351 R W 0 0 0 to Input span unit time 0 0 0 Unused 0 0 0 19 Setting change rate limiter down CH1 CH2 CH3 CH4 0548 0549 054A 054B 1352 13...

Page 59: ...p error Bit 0 Bit 2 to Bit 15 Unused Data 0 OFF 1 ON Decimal number 0 to 2 4 Integrated operating time monitor 0003 3 RO 0 to 19999 hours 5 Backup memory state monitor 0004 4 RO 0 The content of the backup memory does not coincide with that of the RAM 1 The content of the backup memory coincides with that of the RAM 6 Unused 0005 0045 5 69 7 RUN STOP transfer 0046 70 R W 0 STOP Control stop 1 RUN ...

Page 60: ...06E 006F 104 105 106 107 108 109 110 111 R W 0 to 1000 ms 0 14 Unused 0070 00A3 112 163 15 DI function assignment 00A4 164 R W 0 to 29 Refer to page 56 Based on model code When not specifying 0 16 Memory area setting signal 00A5 165 R W 0 Validate 1 Invalidate 1 17 DO signal assignment module address 1 00A6 166 R W 1 0 to 99 When 1 is selected all of the signals of the same type except temperature...

Page 61: ...ribution master channel selection CH1 CH2 CH3 CH4 CH5 CH6 CH7 CH8 00BA 00BB 00BC 00BD 00BE 00BF 00C0 00C1 186 187 188 189 190 191 192 193 R W 1 to 99 1 24 DO manipulated output value MV at STOP mode CH1 CH2 CH3 CH4 CH5 CH6 CH7 CH8 00C2 00C3 00C4 00C5 00C6 00C7 00C8 00C9 194 195 196 197 198 199 200 201 R W 5 0 to 105 0 5 0 25 DO output limiter high CH1 CH2 CH3 CH4 CH5 CH6 CH7 CH8 00CA 00CB 00CC 00C...

Page 62: ...ote mode Interlock release Contact closed Interlock release EDS start signal 1 Contact closed EDS start signal ON for disturbance 1 EDS start signal 2 Contact closed EDS start signal ON for disturbance 2 Soak stop Contact closed Soak stop 1 Memory area transfer Contact open Contact closed Memory area number 1 2 3 4 5 6 7 8 DI1 DI2 DI3 2 Area set becomes invalidate prior to factory shipment 3 Opera...

Page 63: ...nt 1 DO5 manual output DO6 manual output DO7 manual output DO8 manual output 2 Event 1 comprehensive output 1 Event 2 comprehensive output 2 Event 3 comprehensive output 3 Event 4 comprehensive output 4 3 Event 1 CH1 Event 2 CH1 Event 3 CH1 Event 4 CH1 4 Event 1 CH2 Event 2 CH2 Event 3 CH2 Event 4 CH2 5 Event 1 CH3 Event 2 CH3 Event 3 CH3 Event 4 CH3 6 Event 1 CH4 Event 2 CH4 Event 3 CH4 Event 4 C...

Page 64: ... R W 4 20 No 20 Number of continuous accesses FE13 65043 R W 4 21 No 21 Number of continuous accesses FE14 65044 R W 4 22 No 22 Number of continuous accesses FE15 65045 R W 4 23 No 23 Number of continuous accesses FE16 65046 R W 4 24 No 24 Number of continuous accesses FE17 65047 R W 4 25 No 25 Number of continuous accesses FE18 65048 R W 4 26 No 26 Number of continuous accesses FE19 65049 R W 4 2...

Page 65: ...s accesses enable selection 1 to 8 FEA1 65185 R W 255 67 Continuous accesses enable selection 9 to 16 FEA2 65186 R W 255 68 Continuous accesses enable selection 17 to 24 FEA3 65187 R W 255 69 Continuous accesses enable selection 25 to 32 FEA4 65188 R W 255 70 Continuous accesses enable selection 33 to 40 FEA5 65189 R W 0 to 255 Bit setting for each of 8 groups Example Continuous accesses enable se...

Page 66: ...on P 61 For mounting and wiring of the COM JG refer to 3 MOUNTING P 5 and 4 WIRING P 8 For mounting and wiring of the controller SRZ refer to Z TIO INSTRUCTION MANUAL IMS01T01 E or Z DIO INSTRUCTION MANUAL IMS01T03 E For mounting and wiring of PLC refer to PLC Instruction Manual Refer to 8 3 Use Instruments Setting P 62 Controller Address Setting Refer to 5 4 Controller Address Auto Obtain Methods...

Page 67: ...ller SRZ Z TIO module Z DIO module 1 2 3 17 Module address Controller address Use instruments PROFIBUS communication converter COM JG 1 Controller SRZ Z TIO module 3 4 channel type 2 2 channel type 1 Z DIO module 1 PLC SIMATIC S7 300 series SIEMENS AG Power supply module PS 300 PS307 2A 1 CPU module S7 300 CPU315 2DP 1 Digital input module DI 300 SM321 DI16 1 Personal computer Software of the foll...

Page 68: ...SRZ setting Module address Z TIO module 4 channel type 1 2 2 channel type 3 Z DIO module 17 The module address of a Z TIO module will be the value decimal set in the address setting switch plus 1 The module address of a Z DIO module will be the value decimal set in the address setting switch plus 17 Communication protocol Modbus RTU Communication speed 19200 bps Factory set value Data bit configur...

Page 69: ...odule 3rd module 4th module Module type Z TIO Z TIO Z TIO Z DIO Module address 1 2 3 17 Number of channels 4 4 2 8 Communication item Communication item Attribute Data type Corresponding module Measured value PV RO Channel based data Set value SV R W Channel based data RUN STOP transfer R W Module based data Z TIO Digital input DI state RO Module based data RUN STOP transfer R W Module based data ...

Page 70: ...mple In this example the DIP switches switching of COM JG are set so that controller addresses are automatically obtained Addresses are not set in the programming software STEP7 For controller address auto obtain refer to 5 4 Controller Address Auto Obtain Methods P 19 Controller address setting COM JG initial setting item Set value No 1 Controller address 1 No 2 Controller address 2 No 3 Controll...

Page 71: ...dule has only one data item is set in the static data request for example Digital input DI state of the Z DIO module set the Number of continuous accesses to 1 Setting of usage example In this example there are other modules in addition to a 4 channel type Z TIO module and thus the number of continuous accesses setting is required Communication item Modbus register address Corresponding module Dat...

Page 72: ...o 40 are divided into five sets of eight groups each and enable disable continuous access is set by bit for each group Bit data 0 Continuous accesses disabled 1 Continuous accesses enabled When only channel based data is communicated this setting is not necessary Setting of usage example In this example both module based data and channel based data are communicated and thus the continuous access e...

Page 73: ...up 1 The value of Continuous access enable selection of Groups 1 to 8 is 00100011 35 Groups 9 to 16 Groups 17 to 24 Groups 25 to 32 and Groups 33 to 40 do not use this setting and thus the factory set value of 255 all enabled should remain unchanged Group No Group 1 to 8 Group 9 to 16 Group 17 to 24 Group 25 to 32 Group 33 to 40 Set value 35 255 255 255 255 Therefore the continuous access enable s...

Page 74: ...pecified in the Z TIO module is read However because the contents of the Modbus register addresses of the Z TIO module and the Z DIO module are different different data is read from each Example Z TIO module 006DH RUN STOP transfer Z DIO module 006DH DO minimum ON OFF time of proportioning cycle To avoid having unnecessary data read the range of data that can be communicated for the same module ty...

Page 75: ...ls are set for write The Number of connected modules is set in the upper hexadecimal byte and the Number of communication items is set in the lower byte Static data read write range channel Number of connection modules Set value upper byte Number of communication items Set value lower byte Set value Read CH1 3 3 0303H 771 Read CH2 1 2 0102H 258 Write CH1 3 2 0302H 770 Write CH2 1 1 0101H 257 Based...

Page 76: ...eneral procedures Creating a new project P 73 Refer to 8 5 2 General procedures Register a GSD file P 76 Refer to 8 5 2 General procedures PLC master setting P 78 Refer to 8 5 2 General procedures Register a COM JG P 81 Creating a new project Register a GSD file PLC master setting Register a COM JG Starting the Programming Software STEP7 Data parameter setting Refer to 8 5 3 COM JG initial setting...

Page 77: ...refer to Instruction Manual of the Programming Software STEP7 To Communication item setting Creating a variable table Monitor and modify of variable Refer to 8 5 3 COM JG initial setting Creating a variable table P 91 Refer to 8 5 3 COM JG initial setting Monitor and modify of variable P 97 Save and compilation of project Refer to 8 5 3 COM JG initial setting Save and compilation of project P 90 C...

Page 78: ... master setting P 78 Refer to 8 5 2 General procedures Register a COM JG P 81 Refer to 8 5 4 Communication item setting Data parameter setting P 102 Creating a new project PLC master setting Register a COM JG Data parameter setting Configuration setting Refer to 8 5 4 Communication item setting Configuration setting P 105 Save and compilation of project Download a project to the PLC Refer to 8 5 4...

Page 79: ...reating a new project When configuring communication item settings you can save the project that you created when configuring COM JG initial settings under a different name This will enable you to omit PLC master setting and Register a COM JG 1 Start programming software STEP7 2 Select the menu command File New and creating a new project In this example the project name is COM J When configuring c...

Page 80: ...AGE EXAMPLE IMR01Y35 E3 74 3 Clicking OK displays the new project on the SIMATIC Manager 4 The PLC is registered to the created object In this example select SIMATIC 300 Station The project that was created ...

Page 81: ...8 USAGE EXAMPLE IMR01Y35 E3 75 5 If the PLC is registered the display becomes as follows ...

Page 82: ...en configuring communication item settings 1 To link COM JG to the project register the GSD file for COM JG downloaded from the RKC official website Click the SIMATIC 300 folder on the screen registered with the PLC and then double click Hardware on the right side of the window Double click Station editing window Rack detail window Hardware catalog window ...

Page 83: ...u bar and click on Install New GSD to register GSD file for COM JG downloaded from the RKC official website 3 After the GSD file is registered COM JG is displayed on the HW configuration screen COM JG is displayed Select GSD file of COM JG File name RKC_0919 gsd ...

Page 84: ...5 E3 78 PLC master setting Example 1 Double click Rail under RACK 300 in the folder tree to display rack RACK 2 Drag and drop PS 307 2A of the power supply module PS 300 within the rack Drag drop Select Rail Rack RACK appears ...

Page 85: ...ing drag and drop 6ES7 315 2AF00 0AB0 of the CPU module CPU 315 2 DP 4 As the properties are displayed click New to set the network In this example the Highest PROFIBUS Address is set to 126 and the Transmission Rate to 12Mbps Drag drop Click ...

Page 86: ...e DI module DI 300 Thus the PLC hardware setting has been finished For details of the procedure for adding the rack and Power supply CPU and Digital input modules and for defining the PROFIBUS master refer to the instruction manual for Programming Software STEP7 Drag drop ...

Page 87: ...IMR01Y35 E3 81 Register a COM JG 1 Drag and drop COM JG onto PROFIBUS 1 DP master system 1 from the hardware catalog 2 As the properties are displayed set the PROFIBUS address In this example 1 is set Drag drop Sets 1 ...

Page 88: ...8 USAGE EXAMPLE IMR01Y35 E3 82 3 If the COM JG is registered the display becomes as follows This concludes the general procedures ...

Page 89: ... range Static data write range Repeat the following procedure from Data parameter setting P 83 to Monitor and modify of variable P 97 for each initial setting item The example below explains how to set the Number of continuous accesses Refer to 8 4 Contents Check of COM JG Initial Setting P 63 Data parameter setting 1 Double click COM JG registered to set each controller SRZ communication item Dou...

Page 90: ... data read range and Static data write range set 5 3 Set the number of read write items to Group read write allocation In this example the number of read items set to 1 and the number of write items to 39 The number of items that can be set by the COM JG is 40 maximum including both read and write items If you are setting Static data read range and Static data write range at the same time set 2 re...

Page 91: ... No 1 Number of continuous accesses Because the number of read items is set to 1 a read item can only be set for Group 1 ID base ten Write items must be set for Group 2 ID base ten and following groups Blank items will be the factory set value 65535 For Modbus register address of COM JG initial setting items refer to 7 5 COM JG Initial Setting Items P 58 5 After the allocation of data parameters i...

Page 92: ...ays set Write permission regardless of the contents of communication items In addition always set Write permission to the first line In this example the error state register Error state setting is omitted If you set the error state register Error state be sure to set it on the first line Write permission will be on the second line In the COM JG initial settings the write control flag register Writ...

Page 93: ...mber of continuous accesses is 4 there are four modules and the number of read and write items is one each Thus four words are set for both read and write Always locate Static input word above Static output word on the rack detail window Select and then set the number of word of the COM JG initial setting from among 1 2 4 8 and 16 words so that the total number of words becomes the same as Number ...

Page 94: ...and the Static output word cell in the COM JG rack detail window and set the starting address In this example make the setting as follows 4 Static input words Input Start address 10 4 Static output words Output Start address 10 Double click Read address Write address Set the start address of read request Set the start address of write request ...

Page 95: ...ck detail window 1 2 4 words are available In this example select 1 Dynamic I O word Set the PLC register address for dynamic data read and write requests Double click 1 Dynamic I O word of COM JG rack detail window and then sets the start address In this example set 100 Drag drop Set the start address of read request Set the start address of write request ...

Page 96: ...and compilation of the project 2 Click the Download to Module button on the toolbar and download a project to the PLC If normally downloaded the window to inform the operator of the progress opens and then returns to the window for hardware configuration Click the Save and Compile button Click the Download to Module button ...

Page 97: ...itial setting item to COM JG Create a variable table to monitor and modify variables 1 Selects Block from the tree of SIMATIC Manager Right click on the Block and select the command Insert New Object Variable Table 2 Input a symbol name and click OK In this example the symbol name is COM JG setting Input a symbol name Right click ...

Page 98: ...ouble click the icon of the created symbol name COM JG setting to display a variable table as shown the table below The Enter key can be pressed to increase the number of entry lines The last line will not contain an entry Double click ...

Page 99: ...ddress of the variable table IB2 A one byte data area is allocated in address 2 and the data of address 2 is read 5 Set the write item of write permission flag register In the configuration settings the PLC register addresses of the write permission flag register Write permission are set as follows Output Start address Q Address 0 End address Q Address 0 Automatically assigned As such set QB0 in A...

Page 100: ... address I Address 10 End address I Address 17 Automatically assigned As such set IW10 IW12 IW14 and IW16 in Address of the variable table IW10 A one byte data area address 10 and 11 is allocated in address 10 and the data of address 10 is read 7 Change the display format of IW10 IW12 IW14 and IW16 from HEX to DEC Right click a cell that shows HEX and select Decimal from the sub menu to change to ...

Page 101: ...are set as follows Output Start address Q Address 10 End address Q Address 17 Automatically assigned As such set QW10 QW12 QW14 and QW16 in Address of the variable table QW10 A one byte data area address 10 and 11 is allocated in address 10 and the data of address 10 is written Follow the same procedure as in step 7 to change the display format of QW10 QW12 QW14 and QW16 from HEX to DEC ...

Page 102: ...Start address Q Address 100 End address Q Address 105 Automatically assigned As such set the following values in Address of the variable table Input IB100 Attribute 1 byte IB101 Device address 1 byte IW102 Communication item address 1 word IW104 Communication item data 1 word Output QB100 Attribute 1 byte QB101 Device address 1 byte QW102 Communication item address 1 word QW104 Communication item ...

Page 103: ...er of continuous accesses appear in IW10 to IW16 IW10 First module Z TIO IW12 Second module Z TIO IW14 Third module Z TIO IW16 Fourth module Z DIO Address Symbol Display format Status value Modify value 1 IB 2 HEX B 16 00 2 QB 0 HEX B 16 00 3 4 IW 10 DEC 4 5 IW 12 DEC 4 6 IW 14 DEC 4 7 IW 16 DEC 4 8 9 QW 10 DEC 0 10 QW 12 DEC 0 11 QW 14 DEC 0 12 QW 16 DEC 0 Current value of writes permission flag ...

Page 104: ...mber of channels of each module in QW10 to QW14 The set value of QW16 is 1 because the communication item of the corresponding Z DIO module is module based data Address Symbol Display format Status value Modify value 1 IB 2 HEX B 16 00 2 QB 0 HEX B 16 00 3 4 IW 10 DEC 4 5 IW 12 DEC 4 6 IW 14 DEC 4 7 IW 16 DEC 4 8 9 QW 10 DEC 0 4 10 QW 12 DEC 0 4 11 QW 14 DEC 0 2 12 QW 16 DEC 0 1 4 Click the Modify...

Page 105: ...DEC 4 4 10 QW 12 DEC 4 4 11 QW 14 DEC 2 2 12 QW 16 DEC 1 1 6 Enter 0FH write permission in Modify value for the write permission flag register In this case the address QB0 is written to Address Symbol Display format Status value Modify value 1 IB 2 HEX B 16 00 2 QB 0 HEX B 16 00 B 16 0F 3 4 IW 10 DEC 4 5 IW 12 DEC 4 6 IW 14 DEC 4 7 IW 16 DEC 4 8 9 QW 10 DEC 4 4 10 QW 12 DEC 4 4 11 QW 14 DEC 2 2 12...

Page 106: ...st be set to 0FH write permitted Read QB100 Attribute 00H read QB101 Device address 63H COM JG controller address 99 QW102 Communication item address FE00H No 1 Number of continuous accesses QW104 Communication item data None The attribute specification is read and thus a setting is not necessary When the above values are entered in Modify value and the Modify variable button on the toolbar is cli...

Page 107: ...To write dynamic data enter the above values in Modify value and click the Modify variable button on the toolbar Address Symbol Display format Status value Modify value 1 IB 2 HEX B 16 00 2 QB 0 HEX B 16 0F B 16 0F 3 4 IB 100 HEX B 16 80 5 IB 101 HEX B 16 63 6 IW 102 HEX W 16 FE03 7 IW 104 HEX W 16 0001 8 9 QB 100 HEX B 16 80 B 16 80 10 QB 101 HEX B 16 63 B 16 63 11 QW 102 HEX W 16 FE03 W 16 FE03 ...

Page 108: ...odule based data Z TIO Digital input DI state RO Module based data RUN STOP transfer R W Module based data Z DIO RO Read only R W Read Write Refer to the setting procedure of page 72 Data parameter setting 1 Double click COM JG registered to set each controller SRZ communicating item Refer to the figure of page 83 2 Set the number of connecting channels total number of continuous accesses to Numbe...

Page 109: ...ing as follows Group 1 ID base ten 0 Measured value PV Z TIO module CH1 Group 2 ID base ten 142 Set value SV Z TIO module CH1 Group 3 ID base ten 109 RUN STOP transfer Z TIO module Group 4 ID base ten 0 Digital input DI state Z DIO module Group 5 ID base ten 70 RUN STOP transfer Z DIO module The number of continuous accesses have been set and thus it is only necessary to specify CH1 For Modbus reg...

Page 110: ...en 109 RUN STOP transfer Z TIO module Group 8 ID base ten 70 RUN STOP transfer Z DIO module The number of continuous accesses have been set and thus it is only necessary to specify CH1 The factory set value of Group 9 ID base ten and following is 65535 For Modbus register address of SRZ refer to 7 COMMUNICATION DATA MAP P 28 6 After the allocation of data parameters is finished click OK Set the fo...

Page 111: ...AMPLE IMR01Y35 E3 105 Configuration setting 1 Select COM JG and then set the error state register Select Error state from the hardware catalog and then drag and drop it to the COM JG rack detail window Drag drop ...

Page 112: ...indow Always set Error state and Write permission regardless of the contents of communication items In addition always set Error state to the first line and Write permission to the second line In this example the write control flag register Write control setting is omitted If you set the write control flag register Write control be sure to set it on the third line Drag drop ...

Page 113: ... of continuous accesses If there are no static data read write range settings all ranges are read write ranges In this example the number of static data words is set based on the following conditions Number of channels total number of continuous accesses 11 Number of read items Group 1 to 5 ID base ten 5 Number of write items Group 6 to 8 ID base ten 3 Number of continuous accesses No 1 Number of ...

Page 114: ...ontinuous access enabled Number of connected channels in static data read range channel Number of communication items in static data read range channel continuous access disabled Number of modules in static data read range channel and in number of connected channels 2 10 1 3 23 Number of in the table Number of words of static data read range CH2 2 1 0 1 2 Number of in the table Number of read word...

Page 115: ...n drag and drop it to the COM JG rack detail window 1 2 4 8 16 words are available The number of read words was 25 so select 16 words 8 words and 1 word The number of write words was 14 so select 8 words 4 words and 2 words Always locate Static input word above Static output word on the rack detail window Select the number of the word of read data and do drag drop Select the number of the word of ...

Page 116: ...this example make the setting as follows Static data read request 16 Static input words Input Start address 10 8 Static input words Input Start address 42 1 Static input words Input Start address 58 Static data write request 8 Static output words Output Start address 10 4 Static output words Output Start address 26 2 Static output words Output Start address 34 Double click Set the start address of...

Page 117: ...r step 2 and then drag and drop it to the COM JG rack detail window 1 2 4 words are available In this example select 1 Dynamic I O word Set the PLC register address for dynamic data read and write requests Double click 1 Dynamic I O word of COM JG rack detail window and then sets the start address Drag drop ...

Page 118: ...ad a project to the PLC If normally downloaded the window to inform the operator of the progress opens and then returns to the window for hardware configuration This completes the settings that are configured before operation Data can now be sent to and received from the PLC Create a program for transmission to and reception from the PLC as needed Click the Save and Compile button Click the Downlo...

Page 119: ...ith the same model code If the instrument is replaced it is necessary to reset each data item To prevent electric shock or instrument failure always turn off the system power before replacing the instrument To prevent electric shock or instrument failure always turn off the power before mounting or removing the instrument To prevent electric shock or instrument failure do not turn on the power unt...

Page 120: ... Turns on RX TX lamp Turns on ONL lamp Turns off The order of specifying data is incorrect at the time of assigning PLC registers when configured or two or more essential items are specified Always specify the data in the following order 1 Error state 2 Write permission 3 Write control 4 Static input 5 Static output 6 Dynamic I O For the above 4 to 6 two or more items can be specified but for the ...

Page 121: ...set in the data parameters is the same as the number of words set in the configuration The number of data set in the data parameters is determined by the combination of the following items Number of channel Number of setting Group Continuous accesses enable selection Refer to the equation for calculating the number of read write words on the previous page The data specified in a static data reques...

Page 122: ...repeater Connection cable Special cable Shielded twisted pair wire Connection method Connector Termination resistor External installation is necessary Data access types Static data read write Dynamic data read write Communication data length A maximum of 170 bytes can be read or written Controller communication Interface Based on RS 485 EIA standard Protocol Modbus RTU Synchronous method Start sto...

Page 123: ...MΩ or more at 500 V DC Between power supply terminal and communication terminal 20 MΩ or more at 500 V DC Withstand voltage Refer to table shown below Time 1 min Grounding terminal Power supply terminal 600 V AC Communication terminal 600 V AC 600 V AC Power failure A power failure of 20 ms or less will not affect the action Data backup Data backed up by non volatile memory Number of writing Appro...

Page 124: ... may cause condensation Corrosive or inflammable gases Water oil chemicals vapor or steam splashes Direct air flow from an air conditioner Exposure to direct sunlight Excessive heat accumulation Weight Approx 170 g Dimensions 30 125 109 5 mm W H D Standard Safety standard UL UL61010 1 cUL CAN CSA C22 2 No 61010 1 CE marking LVD EN61010 1 EMC EN61326 1 C Tick EN55011 ...

Page 125: ...The first edition AUG 2006 IMQ00 The third edition JUL 2010 IMQ00 ...

Page 126: ...JUL 2010 RKC INSTRUMENT INC HEADQUARTERS 16 6 KUGAHARA 5 CHOME OHTA KU TOKYO 146 8515 JAPAN PHONE 03 3751 9799 81 3 3751 9799 FAX 03 3751 8585 81 3 3751 8585 E mail info rkcinst co jp Website http www rkcinst com R ...

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