Siemens SIMPRO-100 - User-Defined Modbus Data and Event Reading; User-Defined Modbus Data Region; Reading Event Data Using Modbus

C
Modbus
™
RTU Communications Protocol
SIMPRO-100
166 PRIM-2400C
Table C.15 Modbus Command Codes
Command
Code
Function Parameter Definition
Modbus Function
Code
01
a
Start No Parameters 06h, 10h
02
a
Stop No Parameters 06h, 10h
03
a
Emergency Restart No Parameters 06h, 10h
04
a
Reset Trip, Targets No Parameters 06h, 10h
05
Pulse Output Contacts Parameter 1:
1TRIP
2OUT1
3OUT2
4OUT3
5ALARM
Parameter 2:
1 – 15; Pulse duration in minutes
Default to 1 second if not supplied
10h
06
Control Remote Bits Parameter 1:
1 Set Remote Bit
2Clear Remote Bit
3 Pulse Remote Bit
Parameter 2:
0000000000000001 RB1
0000000000000010 RB2
0000000000000100 RB3
0000000000001000 RB4
10h
07
b
Reset Data Regions Parameter 1:
0000000000000001 Demand
0000000000000010 Peak Demand
0000000000000100 Max/Min Meter
0000000000001000 Energy Meter
0000000000010000 Motor Statistics
0000000000100000 Event Data
0000000001000000 Thermal Meter
10h
a
Command Codes 01 – 04 are also coil numbers which can be set or cleared using Function Code 05. Clearing these coils using
Function Code 05 is allowed for compatibility, but has no effect as the relay immediately acts on and clears set coils.
b
Parameter 1 of Command Code 7 is bit-masked to allow you to manipulate several Data Regions simultaneously.