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4 MODBUS RTU Protocol

FY400/600/700/800/900 COMMUNICATION MANUAL

⑧

Repeat step 3~5, until last data is processed.

⑨

Swap the low byte and high byte of Y.

⑩

CRC=Y

4.6 Abnormal

Code

Abnormal Code Contents

01 (01H)

Illegal function code (Non-existent function code)

02 (02H)

Illegal register address (Register address is out of range)

03 (03H)

Illegal data value (Data value is out of setting range)

4.7 Message

example of RTU mode

4.7.1

Reading ( Read PV from slave controller 1)

Request message from master instrument:

ID Number

(01H)

Function Code

(03H)

Address

(008AH)

Data Count

(0001H)

CRC

(A5E0H)

Response data from slave controller in normal status (Assumed PV=100.0)

ID Number

(01H)

Function Code

(03H)

Byte Count

(02H)

Data

(03E8H)

CRC

(B8FAH)

Response from slave controller in abnormal status (Assumed as illegal data value)

ID Number

(01H)

Function Code

(83H)

Error Code

(03H)

CRC

(0131H)

1 is set to the MSB of function code in abnormal status (83H).

The abnormal code (03H) is returned as contents of error.

4.7.2

Setting (Set SV = 10.0 to slave controller 1)

Request message from master instrument:

ID Number

(01H)

Function Code

(06H)

Address

(0000H)

Setting Data

(0064H)

CRC

(8821H)

Response message from slave controller in normal status (When SV = 10.0)

ID Number

(01H)

Function Code

(06H)

Address

(0000H)

Setting Data

(0064H)

CRC

(8821H)

Содержание FY100

Страница 1: ...TAIE TAIWAN INSTRUMENT CONTROL CO LTD COMMUNICATION MANUAL DIGITAL PID CONTROLLER FY100 FY101 FY400 FY600 FY700 FY800 FY900 February 2007 FY_COMM_EN_V1...

Страница 2: ......

Страница 3: ...PV from slave controller 1 5 4 7 2 Setting Set SV 10 0 to slave controller 1 5 4 7 3 Setting Set SV 10 0 and OUTL 100 0 to slave controller 1 6 5 MODBUS ASCII Protocol 7 5 1 Message Configuration 7 5...

Страница 4: ...6 7 1 Read Read PV from slave controller 1 11 6 7 2 Modify Modify SV 10 0 to slave controller 1 11 6 7 3 Write Write SV 100 0 to slave controller 1 11 7 Register Map 12...

Страница 5: ...US RTU Protocol MODBUS ASCII Protocol TAIE Protocol Communication Bits Odd parity Data bits 8 Stop Bit 1 Odd parity Data bits 8 Stop Bit 2 Even parity Data bits 8 Stop Bit 1 Even parity Data bits 8 St...

Страница 6: ...2 1 1 PLC RS 485 Controller IDNO 1 Controller IDNO 2 Controller IDNO 3 Controller IDNO 32 Figure 2 1 2 Controller IDNO 1 HOST COMPUTER RS 485 Controller IDNO 2 Controller IDNO 3 Controller IDNO 32 Fi...

Страница 7: ...DATA DATA DC24V Shield Wire Controllers DX DX DX DX MODEL EDAM 8520 Figure 3 1 2 Note 1 The length of shield wire should be less than 1200M 2 Controllers in RS485 parallel connection should be less t...

Страница 8: ...oller 16 10H Setting multiple registers value to slave controller Max register count 8 4 4 Data Data depends on function code Request message from Master instrument is include register address data co...

Страница 9: ...08AH Data Count 0001H CRC A5E0H Response data from slave controller in normal status Assumed PV 100 0 ID Number 01H Function Code 03H Byte Count 02H Data 03E8H CRC B8FAH Response from slave controller...

Страница 10: ...equest message from master instrument ID Number 01H Function Code 10H Register Address 0000H Data Count 0002H Byte Count 04H Data1 0064H Data2 03E8H CRC B2CEH Response message from slave controller in...

Страница 11: ...s 03 30H 33H Reading multiple registers value from slave controller Max register count 8 06 30H 36H Setting 1 register value to slave controller 16 31H 30H Setting multiple registers value to slave co...

Страница 12: ...m slave controller in normal status Assumed PV 100 0 Header 3AH ID Number 30H 31H Function Code 30H 33H Byte Count 30H32H Data 30H 33H 45H 38H LRC 30H 46H Delimiter 0DH 0AH Response from slave control...

Страница 13: ...ge from master instrument Header 3AH ID Number 30H 31H Function Code 31H 30H Register Address 30H 30H 30H 30H Data Count 30H 30H 30H 32H BYTE Count 30H 34H Data1 30H 30H 36H 34H Data2 30H 33H 45H 38H...

Страница 14: ...1 register value in RAM Data are not maintained after power off W 57H Write 1 register value in both RAM and EEPROM Data are maintained after power off 6 3 ID Number Range 1 255 Master instrument iden...

Страница 15: ...Number 01H Register Address 008AH Data 0000H Check Sum DDH Response data from slave controller Assumed PV 100 0 Header 07H Command 4DH ID Number 01H Register Address 008AH Data 03E8H Check Sum C3H 6...

Страница 16: ...1H YES AL1 Alarm 1 set value 0003 003 03 06 10H AL2 Alarm 2 set value 0004 004 03 06 10H AL3 Alarm 3 set value 0005 005 03 06 10H PTN Program Pattern 0006 006 03 06 10H 0 2 SEG Program Segment Display...

Страница 17: ...06 10H TM_3 Run Time of Seg 3 Pattern 1 0010 016 03 06 10H OUT3 Output Limit of Seg 3 Pattern 1 0011 017 03 06 10H SV_4 Set Point of Seg 4 Pattern 1 0012 018 03 06 10H TM_4 Run Time of Seg 4 Pattern 1...

Страница 18: ...10H TM_7 Run Time of Seg 7 Pattern 1 001C 028 03 06 10H OUT7 Output Limit of Seg 7 Pattern 1 001D 029 03 06 10H SV_8 Set Point of Seg 8 Pattern 1 001E 030 03 06 10H TM_8 Run Time of Seg 8 Pattern 1 0...

Страница 19: ...10H TM_32 Run Time of Seg 3 Pattern 2 0028 040 03 06 10H OUT32 Output Limit of Seg 3 Pattern 2 0029 041 03 06 10H SV_42 Set Point of Seg 4 Pattern 2 002A 042 03 06 10H TM_42 Run Time of Seg 4 Pattern...

Страница 20: ...ern 2 0034 052 03 06 10H OUT72 Output Limit of Seg 7 Pattern 2 0035 053 03 06 10H SV_82 Set Point of Seg 8 Pattern 2 0036 054 03 06 10H TM_82 Run Time of Seg 8 Pattern 2 0037 055 03 06 10H OUT82 Outpu...

Страница 21: ...Derivative Time 0042 066 03 06 10H 0 900 CYT2 OUT2 Cycle Time 0043 067 03 06 10H 0 150 HYS2 OUT2 Hysteresis 0044 068 03 06 10H 0 1000 GAP1 OUT1 Control Gap 0045 069 03 06 10H GAP2 OUT2 Control Gap 00...

Страница 22: ...48 072 03 06 10H 000EH S1 000FH S2 0010H B1 0011H E1 0012H E2 0013H N1 0014H N2 0015H T1 0016H T2 0017H T3 0018H W1 0019H W2 001AH PL1 001BH PL2 001CH U1 001DH U2 001EH U3 001FH L1 0020H L2 0021H JP1...

Страница 23: ...074 03 06 10H DP Decimal Point Position 004B 075 03 06 10H 0000H 0000 0001H 000 0 0002H 00 00 0003H 0 000 LSPL Lower Set Point Limit 004C 076 03 06 10H USPL Upper Set Point Limit 004D 077 03 06 10H AN...

Страница 24: ...110 0111H 0111 1000H 1000 1001H 1001 1010H 1010 1011H 1011 1100H 1100 1101H 1101 1110H 1110 1111H 1111 CLO1 OUT1 Lower Calibration 0057 087 03 06 10H CHO1 OUT1 Upper Calibration 0058 088 03 06 10H CLO...

Страница 25: ...ion 0064 100 03 06 10H PVOS PV Compensation 0065 101 03 06 10H UNIT Unit of PV and SV 0066 102 03 06 10H 0000H C 0001H F 0002H A PVFT PV Filter 0067 103 03 06 10H 0 1000 CASC 0068 104 03 06 10H OUD He...

Страница 26: ...110 03 06 10H Same with SET1 SET4 Hide Display parameter 006F 111 03 06 10H Same with SET1 SET5 Hide Display parameter 0070 112 03 06 10H Same with SET1 SET6 Hide Display parameter 0071 113 03 06 10H...

Страница 27: ...0087 135 03H 0 1000 OBIT Controller Information Bit 0088 136 03H 0000 0000 0000 0000 215 20 215 Message nnn2 214 Message UUU2 213 Message nnn1 212 Message UUU1 211 Message IN2E 210 Message CJCE 29 Me...

Страница 28: ...TAIE TAIWAN INSTRUMENT CONTROL CO LTD FY400 600 700 800 900 COMMUNICATION MANUAL...

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