OPERATION MANUAL CompoBus/S

SRM1-C0@-V2 Master Control Units Section 4-5
Name and Function of Parts
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).
PWR
RUN
ERR
SD
RD
ERS
COMM
Peripheral Port
Used to connect Programming
Devices. Connection requires
special cable.
RS-232C Port (SRM1-C02-V2 only)
Used to connect to the RS-232C
interface cable of a personal
computer, PLC, etc. Not available
on SRM1-C01-V2.
Mounting Screw Hole
Used when screwing onto control
panel.
CompoBus/S Communications Terminal
Used to connect CompoBus/S
communications cable.
Indicators
The following table shows the meaning of the indicators.
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
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