Modbus Functions Supported
01 Read Coil Status: Reads the ON/OFF status of discrete outputs (0X references, coils) in the slave. Broadcast is not supported.
02 Read Input Status: Reads the ON/OFF status of discrete inputs (1X references) in the slave. Broadcast is not supported.
03 Read Holding Registers: Reads the binary contents of holding registers (4X references) in the slave. Broadcast is not supported.
04 Read Input Registers: Reads the binary contents of input registers (3X references) in the slave. Broadcast is not supported.
05 Force Single Coil: Forces a single coil (0X reference) to either ON or OFF.
06 Preset Single Register: Presets a value into a single holding register (4X reference).
15 (0F Hex) Force Multiple Coils: Forces each coil (0X reference) in a sequence of coils to either ON or OFF.
16 (10 Hex) Preset Multiple Registers: Presets values into a sequence of holding registers (4X references).
Manual Documentation Number: | 5 |
B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph
Modbus Register Maps |
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Function 1 | Function 1 | ||
00001 | Digital Input 1 | 00001 | Digital Input 1 |
00002 | Digital Input 2 | 00002 | Digital Input 2 |
00003 | Digital Input 3 | 00003 | Digital Input 3 |
00004 | Digital Input 4 | 00004 | Digital Input 4 |
Function 2 | Function 2 | ||
10001 | Digital Input 1 | 10001 | Digital Input 1 |
10002 | Digital Input 2 | 10002 | Digital Input 2 |
10003 | Digital Input 3 | 10003 | Digital Input 3 |
10004 | Digital Input 4 | 10004 | Digital Input 4 |
Function 3 (Holding Reg) | Function 3 (Holding Reg) | ||
40001 | AO 1 | 40001 | FQ1 |
40002 | AO 2 | 40002 | FQ2 |
40003 AO 3 | 40003 Totalize 1 Low | ||
40004 | AO 4 | 40004 Totalize 1 High | |
40005 | Freq Input 1 | 40005 | Totalize 2 Low |
40006 | Freq Input 2 | 40006 | Totalize 2 High |
40007 | Totalize 1 Low | 40007 Time To Save Counter | |
40008 | Totalize 1 High | Function 4 (Inputs) | |
40009 | Totalize 2 Low | ||
40010 | Totalize 2 High | 30001 | Main Vin 10Bit |
40011 | Time to Save Counter | 30002 | Batt Vin 10Bit |
Function 4 (Inputs) |
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30001 | AI 1 12bit |
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30002 | AI 2 12bit |
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30003 | AI 3 12bit |
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30004 | AI 4 12bit |
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30005 | Vin 10bit |
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6Manual Documentation Number:
B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph
