SEL-701-1 Monitor
Date Code 20011009
Modbus
®
RTU Communications Protocol
Reading the Monitor Status Using Modbus
C.16
Reading the Monitor Status Using Modbus
The SEL-701-1 Monitor Modbus Register Map provides fields that allow you to
read the present monitor self-test results. Read the two registers starting with Modbus
Map address 160h.
shows how to interpret the results.
All bits, except Enabled/Disabled are defined: 0 = Okay; 1 = Failure. The
Enabled/Disabled bit is defined: 0 = Enabled; 1 = Disabled.
Table C.16
Monitor Self-Test Result in Bit Definition
Bits (s)
Definition
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 SEL-701-1
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