YOKOGAWA UTAdvanced Series, User Manual

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IM 05P07A01-01EN
Contents
3.2.6 Commands and Responses .................................................................................................3-26
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BRD Reading I relays on a bit-by-bit basis ......................................................................3-27
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BWR Writing data into I relays on a bit-by-bit basis ........................................................3-27
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BRR Reading I relays on a bit-by-bit basis in a random order ........................................3-28
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BRW Writing data into I relays on a bit-by-bit basis in a random order ...........................3-28
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BRS Specifying I relays to be monitored on a bit-by-bit basis .........................................3-29
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BRM Monitoring I relays on a bit-by-bit basis ..................................................................3-29
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WRD Reading D registers and I relays on a word-by-word basis ....................................3-30
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WWR Writing data into D registers and I relays on a word-by-word basis. .....................3-30
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WRR Reading D registers and I relays on a word-by-word basis in random order .........3-31
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WRW Writing data into D registers and I relays on a word-by-word basis in random order .3-31
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WRS Specifying the D registers and I relays to be monitored on a word-by-word basis 3-32
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WRM Monitoring the D registers and I relays on a word-by-word basis ..........................3-32
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INF6 Reading the model, suffix code, and version information .......................................3-33
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INF7 Reading CPU maximum value ................................................................................3-39
3.2.7 Communication with FA-M3 .................................................................................................3-40
3.3 Ladder Communication .................................................................................................. 3-41
3.3.1 Overview ..............................................................................................................................3-41
3.3.2 Configuration of Commands .................................................................................................3-42
3.3.3 Configuration of Responses .................................................................................................3-43
3.3.4 Communication with PLC .....................................................................................................3-44
3.3.5 Response Error Codes .........................................................................................................3-45
Chapter 4 Description of Ethernet Communication (Modbus/TCP) (for UTAdvanced with
Ethernet Communication)
4.1 Overview .......................................................................................................................... 4-1
4.2
TCP/IP-based Communication ......................................................................................... 4-3
4.3 Configuration of Network Frames ..................................................................................... 4-4
4.3.1 Configuration of MBAP Header ..............................................................................................4-4
4.3.2 Configuration of PDU .............................................................................................................4-4
4.4 Communication with Host Computer ................................................................................ 4-5
4.4.1 List of Function Codes............................................................................................................4-5
4.4.2 Specifying D Registers ...........................................................................................................4-5
4.4.3 Requests and Responses ......................................................................................................4-6
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01 Reading multiple I relays ...............................................................................................4-6
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03 Reading multiple D registers .........................................................................................4-6
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05 Writing to an I relay ........................................................................................................4-7
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06 Writing to a D register ....................................................................................................4-7
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08 Loopback test ................................................................................................................4-8
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15 Writing to multiple I relays .............................................................................................4-9
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16 Writing to multiple D registers ......................................................................................4-10
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66 Random reading ..........................................................................................................4-11
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67 Random writing ............................................................................................................4-11
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68 Specify monitor ............................................................................................................4-12
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69 Monitoring ....................................................................................................................4-12
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70 Writing to multiple D registers for program pattern ......................................................4-13
4.4.4 Response Error Codes .........................................................................................................4-14
4.5 Ethernet-Serial Gateway Function ................................................................................. 4-15
4.5.1 Overview ..............................................................................................................................4-15
4.5.2 Wiring for Communication with Serial Devices.....................................................................4-16
4.6 Process Data High-speed Response Function .............................................................. 4-17
4.6.1 Overview ..............................................................................................................................4-17
4.6.2 How to Set the Function .......................................................................................................4-18
4.6.3 Process Data for High-speed Response ..............................................................................4-19
4.7 IP Access Restriction Function ....................................................................................... 4-20