Coils for writing (they can usually also be read):
+
+
{| class="wikitable"
+
! Coil No. (hex)
+
! Coil No. (dec)
+
! Values
+
! Description
+
|-
+
| 0x0001
+
| 1
+
| 1: on, 0: off
+
| Operation command
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|-
+
| 0x0002
+
| 2
+
| 1: reverse, 0: forward
+
| Rotation direction command
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|-
+
| 0x0004
+
| 4
+
| 1: reset
+
| Trip reset
+
|}
+
+
Coils for reading:
+
+
{| class="wikitable"
+
! Coil No. (hex)
+
! Coil No. (dec)
+
! Values
+
! Description
+
|-
+
| 0x000F
+
| 15
+
| 1: run, 0: stop
+
| Operation status
+
|-
+
| 0x0010
+
| 16
+
| 1: reverse, 0: forward
+
| Rotation direction
+
|-
+
| 0x0011
+
| 17
+
| 1: ready, 0: not ready
+
| Inverter ready
+
|-
+
| 0x0013
+
| 19
+
| 1: tripping, 0: normal
+
| "running" (tripping?) status
+
|}
+
+
[http://www.hitachi-america.us/supportingdocs/forbus/inverters/Support/WJ200_Instruction_NT325X.pdf#page=353 Page 353] (marked B-24 in the PDF) lists the Modbus coil numbers and their functions.
+
+
"Holding" registers for writing:
+
+
{| class="wikitable"
+
! Register No. (hex)
+
! Register No. (dec)
+
! Values
+
! Description
+
|-
+
| 0x0001, 0x0002 (MSB)
+
| 1, 2
+
| 0 - 40000 (decimal Hz * 100)
+
| Frequency setpoint
+
|}
+
+
Taken from [http://www.hitachi-america.us/supportingdocs/forbus/inverters/Support/WJ200_Instruction_NT325X.pdf#page=355 Page 355] (marked B-26 in the PDF) of the instructional manual.
+
+
Registers for "monitoring" (reading):
+
+
{| class="wikitable"
+
! Register No. (hex)
+
! Register No. (dec)
+
! Values
+
! Description
+
|-
+
| 0x1001, 0x1002
+
| 4097, 4098 (MSB)
+
| 0 - 40000 (decimal Hz * 100)
+
| Output frequency monitor
+
|-
+
| 0x1003
+
| 4099
+
| 0 - 65530 (decimal A * 10)
+
| Output current monitor
+
|-
+
| 0x1004
+
| 4100
+
| 0: stopping, 1: forward, 2: reverse
+
| Rotation direction monitoring
+
|-
+
| 0x1011
+
| 4113
+
| 0 - 6000 (decimal V * 10)
+
| Output voltage monitor
+
|-
+
| 0x1012
+
| 4114
+
| 0 - 1000 (decimal kW * 10)
+
| Power monitor
+
|}
+
+
Taken from [http://www.hitachi-america.us/supportingdocs/forbus/inverters/Support/WJ200_Instruction_NT325X.pdf#page=359 Page 359] (marked B-30 in the PDF) of the instructional manual.