Remote I/O Units - Omron C120 System Manual

Remote I/O Units

4-1 Remote I/O Units
C120, C500, C1000H, and C2000H Systems
Masters
Indicators
Unit
Master/Slave Transmitting Error
Master Test OK
Terminator Check
Slave I/O Error
Switches and RUN Output Terminals
Unit
Master Test Switch
Slave Unit No./Terminator
selector
RUN output
Model
3G2A6-RM001-(P)E for
C120
48
Transmitting/Error indicator
Test OK indicator
Terminator Check indicator
Test switch
Optical connector
Either APF or PCF can be
connected to the optical con-
nector on RM001-PEV1. Only
PCF can be connected to
RM001-EV1.
Indicator
Flashes during transmission. Lights during an error.
When performing a transmission test:
– Lights to indicate normal transmission.
– Remains unlit to indicate an error.
Testing is repeated as long as the switch is activated; the LED will go out at
any point an error occurs.
Lights to indicate activation and then goes out to indicate that the terminator
has been located.
Lights to indicate an error in the I/O Bus at the Slave Unit or a mis-recognition
at the PC.
Indicator
Tests the transmission connections with the PC in PROGRAM mode. The
testing is repeated as long as the switch is act vated.
Pins 1 and 2 set the unit number. Pin 4 sets the terminator. Pin 3 is not
used.
RUN signal (Stays on during normal run or monitor time; goes off during
programming or an error.)
The 3G2A6-RM001-(P)E Remote I/O Master Unit is not housed in a case. The
housing for this Unit, called a "Remote I/O Rack," must be specified separately
when ordering. The name and function of each part of this C120 Master are the
same as those of the C500 Master.
Slaves
Transmitting/Error indicator
I/O Error indicator
Unit no./Terminator selector
(Remove the indicator cover to
gain access.)
Optical connector
Only one connector is provided on
3G2A5-RT001-(P)E. Either APF or
PCF can be connected to the opti-
cal connector on RT001-PE and
RT002-PEV1. Only PCF can be
connected to RT001-EV1 and
RT002-EV1.
RUN output terminals
Function
Function
Section 4-1