Chapter 3—Operation 63230-300-212
Reading and Writing Registers April 2001
©200 1 Schneider Electric All Rights Reserved
44
Youcan access the read and write register menu option on the circuit
monitor’sdisplay by selecting from the Main Menu > Diagnostics > Read/
WriteRegs as shown in Figure 3–9.This option lets you read and writecircuit
monitorregisters from the display.This capability is most usefulto users who
1) need to set up an advancedfeature which is beyond the circuit monitor’s
normal frontpanel setup mode, and 2) do not have accessto SMS to s et up
the feature.
Forexample, the default operating mode for a circuitmonitor relay output is

normal

. Tochange a relay’s operating modefrom normal to another mode
(forexample, latched mode), use either SMS or the Read/WriteRegs option
of the Diagnosticsmenu.

NOTE: Use this feature with caution. Writing an in correct value, or writing to

the wrong registercould affect the intended operation of the circuit monitor

or its accessories.

Toread or write registers, follow these steps:
1. From the Main Menu, select Diagnostics.
The Diagnosticsmenu displays.
2. Select Read/Write Regs.
The passwordprompt displays.
3. Select your password. The default passwordis 0.
The Read/Write Registersscreen displays. Table3–11 describes the
options on this screen.
Table3–11: Read/WriteRegister Options
Option Available Values
Reg List the register numbers.
Hex List the hexidecimal value of that regis ter.
Dec Listthe decimalvalue of that register.
READING AND WRITING REGISTERS
MAIN MENU
Meters
Min/Max
View Alarms
I/O Display
Resets
Setup
Diagnostics
METERS
Summary
Power
Power Quality
Energy
Power Demand
Current Demand
Custom
VIEW ALARMS
Active Alarms List
High Priority Log
I/O DISPLAY
Digital Inputs
Analog Inputs
Digital Outputs
Analog Outputs
RESETS
Meters
Min/Max
Demand
Energy
SETUP
Display
Communications
Meter
Alarm
I/O
Passwords
DIAGNOSTICS
Meter Information
CVM Information
Read/Write Regs
Wiring Error Test
MIN/MAX
Current
Voltage
Frequency
Power
Power Factor
THD
Figure 3–9: Diagnostics Menu accessed
fromthe Main Menu
DIAGNOSTICS
Meter Information
CVM Information
Read/Write Regs
Wiring Error Test
READ/WRITE REGS
Reg Hex Dec
1003 000A 10