Lazer Safe PCSS-A Series Technical Manual page 231

LS-CS-M-046
This option is used for monitoring the safety and high speed solenoid valves. Standard inputs
on the PCSS unit are provided for monitoring normally closed contacts for connections to
each of the solenoid valves as shown in
An example of the conditions for this valve monitoring option can be seen in
Safety
Sol. Mon.
1 0
X X
0 1
Legend: 0 = Off or Low, 1 = On or High and X = No effect.
Details of the fault conditions associated with this option are shown in
Safety
Sol. Mon.
0 1
1 0
1 0
0 0
1 1
Legend: 0 = Off or Low, 1 = On or High.
To select valve monitoring option 11 during the PCSS configuration, set the initial value for
the valve monitoring option selection variable to 11 as described in
14-5. This will ensure that this option is initialised with all required inputs activated when the
PCSS software is started.
14.12 Valve Monitoring Option 12
This option is reserved and not available for selection.
Original Language Version: 1.25
High speed
Sol. Mon. Valve Zero
X X No
1 0 No
0 1 Yes
Table 14-21: Valve Monitoring Option 11 Conditions
High Speed
Sol. Mon. Valve Fault
0 1 No
0 1 No
1 0 No
0 0 Yes
1 1 Yes
Table 14-22: Valve Monitoring Option 11 Fault Conditions
Figure 14-15 for AIO.
Description
Safety solenoids switched on.
High speed solenoid switched on.
All monitored valves are switched off.
Description
Valve zero output set. Normal operating condition.
Down movement normal operating condition.
High speed movement normal operating condition.
Solenoid valve switch off fault for all (as shown) or any
monitored valves.
Solenoid valve switch on fault for all (as shown) or any
monitored valves.
PCSS-A Series Technical Manual
Table 14-21.
Table 14-22.
Sections 9.2 and Figure
Page 211
Released: 12/09/2024