Testing Operation - Omron SYSMAC CS1D-PD Series Operation Manual

Basic Procedures

11. Testing Operation

154
2. With Duplex CPU Systems, confirm that the DPL STATUS indicator on the
Duplex Unit flashes green after the data has been transferred to the active
CPU Unit. This indicates that the duplex system is being initialized, e.g.,
the data that was transferred to the active CPU Unit is also being trans-
ferred to the standby CPU Unit.
Note If an inconsistency is detected between the two CS1D CPU Units,
a duplex verification error will occur and the DPL STATUS indicator
will flash red. If this happens, press the initialization switch. Unless
there is a hardware error causing the inconsistency, the error
should be cleared.
Checking I/O Wiring
Before performing a trial operation in MONITOR mode, check the I/O wiring.
Output Wiring
With the PLC in PROGRAM mode, force-set and force-reset output bits and
verify that the corresponding outputs operate properly.
Input Wiring
Activate input devices such as sensors and switches and verify that the corre-
sponding indicators on the Input Units light. Also, use the Bit/Word Monitor
operation in the Programming Device to verify the operation of the corre-
sponding input bits.
Input Unit
Auxiliary Area Settings
Make any required Auxiliary Area settings, such as the ones shown below.
These settings can be made from a Programming Device (including a Pro-
gramming Console) or instructions in the program.
IOM Hold Bit (A50012)
Turning ON the IOM Hold Bit protects the contents of I/O memory (the CIO
Area, Work Area, Timer Completion Flags and PVs, Index Registers, and
Data Registers) that would otherwise be cleared when the operating mode is
switched from PROGRAM mode to RUN/MONITOR mode or vice-versa.
LEFT CPU
RIGHT CPU
DPL SW
ON
INIT.
SW
ON
DUPLEX
LEFT CPU
RIGHT CPU
DPL SW
ON
INIT.
SW
ON
DUPLEX
Section 4-2
PRO27
PROGRAMMING CONSOLE OGRAMMING CONSOLE
MONITOR
RUN PROGRAM
FUN SFT
NOT
AND OR TR LR HR
CNT
LD OUT CH
TIM DM
Force-reset/
7 8 9 EXT
E 4 F 5 6
D
B 1 C 2 3
reset
A
0
EAR MIC