Setting The Relay Time/Date Using Modbus; Reading The Relay Status Using Modbus - Siemens SIMPRO-100 Instruction Manual

SIMPRO-100
C.13 Setting the Relay
Time/Date Using
Modbus
The SIMPRO-100 Relay Modbus Register Map
provides fields that allow you to set the relay
clock and calendar using Modbus Function Code
10h commands.
Bytes
To Set the Relay Clock, the Master Request
must have the Following Format
1 byte Slave address
1 byte Function code (10h)
00 4E Time Register Number (2 bytes)
00 02 Number of registers to write (2 registers)
04 Byte count
xx Hours (1 byte)
xx Minutes (1 byte)
xxxx Hundreths of seconds (2 bytes)
2 bytes CRC-16 for message
To Set the Relay Calendar, the Master Request
must have the Following Format
1 byte Slave address
1 byte Function code (10h)
00 4C Date Register Number (2 bytes)
00 02 Number of registers to write (2 registers)
04 Byte count
xx Month (1 byte)
xx Day (1 byte)
xx xx Year (2 bytes)
Table C.16 Setting the Relay Time/Date Using
Modbus
PRIM-2400C
Field
™
Modbus RTU Communications Protocol
C.14 Reading the Relay
Status Using
Modbus
The SIMPRO-100 Relay Modbus Register Map
provides fields that allow you to read the present
relay self-test results. Read the two registers
starting with Modbus Map address 160h.
Table C.17 shows how to interpret the results.
Bits (s) Register 1
0 IA Offset
1 IB Offset
2 IC Offset
3 IN Offset
4 VA Offset
5 VB Offset
6 VC Offset
7 N Offset
8 5 V PS
9 -5 V PS
10 15 V PS
11 28 V PS
12 – 15 Not Used
Table C.17 Relay Self-Test Result in Bit Definition
All bits, except Enabled/Disabled are defined:
0 = Okay
1 = Failure
The Enabled/Disabled bit is defined:
0 = Enabled
1 = Disabled
C
Definition
Register 2
Temperature
RAM
ROM
CR_RAM
EEPROM
Battery
RTC
Learned Cool Time
Thermal Capacity
Enabled/Disabled
Not Used
Not Used
Not Used
167