Omron C200H-RM201 System Manual page 63

Masters and Slaves
Indicators
XMT/RCV ERROR1 ERROR2
not lit not lit not lit
flash not lit not lit
--- lit ---
--- lit lit
flash flash lit
flash lit lit
flash lit flash
C200H Slave Switches
Terminator Selector
DIP Switch
52
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C200H Slaves indicators function together to show the status of the System.
The RUN indicator is controlled by the mode setting on the CPU Unit.
RUN Status
not lit System not started or pow-
er off.
--- Normal transmission
not lit Transmission error
not lit I/O bus error
--- I/O verification error
not lit I/O setting error
--- Expansion I/O Rack miss-
ing.
The DIP switch and terminator selectors are accessed by removing the
switch cover on the front of the Slave. Use a regular screwdriver to open the
cover if necessary. Always be sure that the PC and Slave power are turned
off before setting the switches.
Terminator Setting
Meaning
Master is still testing System or power off.
Power has not yet been turned on.
Normal transmissions are occurring be-
tween Slave and Master.
Error has occurred in transmissions with
Master.
Error has occurred in I/O bus connecting
Slaves to I/O Units.
An I/O Unit configuration of Slave Rack
has changed.
An I/O Unit designation on the Slave Rack
is wrong.
An Expansion I/O Rack connected to the
Slave Rack with I/O Connecting Cable
cannot be confirmed by the PC.
Terminator
(Termination resistance ON)
Not terminator
(Termination resistance OFF)
Section 4-1