SIMPRO-100
Modbus
™
RTU Communications Protocol
C
PRIM-2400C
167
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.
Table C.16
Setting the Relay Time/Date Using
Modbus
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.
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
Bytes
Field
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)
Definition
Bits (s)
Register 1
Register 2
0
IA Offset
Temperature
1
IB Offset
RAM
2
IC Offset
ROM
3
IN Offset
CR_RAM
4
VA Offset
EEPROM
5
VB Offset
Battery
6
VC Offset
RTC
7
N Offset
Learned Cool Time
8
5 V PS
Thermal Capacity
9
-5 V PS
Enabled/Disabled
10
15 V PS
Not Used
11
28 V PS
Not Used
12 – 15
Not Used
Not Used
Summary of Contents for SIMPRO-100
Page 1: ...SIMPRO 100 Motor Protection Relay Instruction Manual Document No PRIM 2400C ...
Page 12: ...Contents SIMPRO 100 x PRIM 2400C ...
Page 16: ...Contents SIMPRO 100 xiv PRIM 2400C ...
Page 42: ...3 SIMPRO PC Software SIMPRO 100 40 PRIM 2400C ...
Page 100: ...6 ASCII Serial Port Operation SIMPRO 100 98 PRIM 2400C ...
Page 127: ...SIMPRO 100 Event Analysis 9 PRIM 2400C 125 Figure 9 2 Example SER Report ...
Page 136: ...10 Maintenance Troubleshooting SIMPRO 100 134 PRIM 2400C ...
Page 138: ...A Firmware Versions SIMPRO 100 136 PRIM 2400C ...
Page 206: ...D SIMPRO PC Compatibility Features SIMPRO 100 204 PRIM 2400C ...
Page 214: ...E Motor Thermal Element SIMPRO 100 212 PRIM 2400C ...
Page 230: ...F SIMPRO 100 Relay Settings Sheets SIMPRO 100 228 PRIM 2400C ...
Page 239: ......