Masters and Slaves Section 4-1
52
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.
XMT/RCV ERROR1 ERROR2 RUN Status Meaning
not
lit
not lit not lit not lit
System not started or pow-
er off.
Master
is still
testing System or power of
f.
Power has not yet been turned on.
flash
not lit not lit
--- Normal transmission Normal transmissions are occurring be-
tween Slave and Master.
--- lit ---
not lit
Transmission error Error has occurred in transmissions with
Master.
--- lit lit not
lit
I/O bus error Error
has occurred in I/O bus
connecting
Slaves to I/O Units.
flash flash lit --- I/O verification error An I/O Unit configuration of Slave Rack
has changed.
flash lit lit
not lit
I/O setting error An
I/O Unit designation on the Slave Rack
is wrong.
flash lit flash --- Expansion I/O Rack miss-
ing.
An
Expansion I/O Rack connected to the
Slave Rack with I/O Connecting Cable
cannot be confirmed by the PC.
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 Selector
Terminator
(T
ermination resistance ON)
Not terminator
(T
ermination resistance OFF)
T
erminator Setting
DIP Switch
Indicators
C200H Slave Switches
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