Omron C200HW-SRM21-V1 - 08-2007 - Page 160

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SRM1-C0 @ -V2 Master Control Units Section 4-5
Name and Function of Parts
Indicators
The following table shows the meaning of the indicators.
Mounting Screw Hole
Used when screwing onto
control panel.
CPU Indicator Section
Indicates status of SRM1 as
CPU Unit.
CompoBus/S Indicator Section
Indicates status of SRM1 as
CompoBus/S Master Unit, and
status of communications with
Slaves.
Communications Port Status LED
Blinks during communications
with peripheral port or RS-232C
port.
Power Supply Terminals
Used to connect SRM1 power
supply (common to internal
circuitry power supply, I/O power
supply, and communications
power supply).
Peripheral Port
Used to connect Programming
Devices. Connection requires
special cable.
RS-232C Port (SRM1-C02-V2 only)
Mounting Screw Hole
Used when screwing onto control
panel.
CompoBus/S Communications Terminal
Used to connect CompoBus/S
communications cable.
PWR
RUN
ERR
SD
RD
ERS
COMM
Used to connect to the RS-232C
interface cable of a personal
computer, PLC, etc. Not available
on SRM1-C01-V2.
Indicator Status Meaning
PWR (green) ON Power ON
OFF Power OFF
RUN (green) ON RUN/MONITOR mode
OFF PROGRAM mode or abnormal stop
ERR (red) ON Fatal error (operation discontinues)
Flashing Non-fatal error (operation continues)
OFF Normal
SD (yellow) ON CompoBus/S sending data
OFF CompoBus/S not sending data
RD (yellow) ON CompoBus/S receiving data
OFF CompoBus/S not receiving data
ERC (red) ON CompoBus/S communications error
OFF Other
COMM (yellow) Flashing Communicating with peripheral port or RS-232C port
OFF Other