Lazer Safe PCSS-A Series Technical Manual page 241

LS-CS-M-046
STO Enable
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 22 during the PCSS configuration, set the initial value for
the valve monitoring option selection variable to 22 as described in
14-5. This will ensure that this option is initialised with all required inputs activated when the
PCSS software is started.
14.23 Valve Monitoring Option 23
This option is reserved and not available for selection.
14.24 Valve Monitoring Option 24
This option is used for monitoring the safety and proportional 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
Original Language Version: 1.25
High Speed
Sol. Mon. Valve Fault
0 1 No
0 1 No
1 0 No
0 0 Yes
1 1 Yes
Table 14-36: Valve Monitoring Option 22 Fault Conditions
Valve Monitor – Proportional
2
1 3
Figure 14-23: Valve Monitoring Option 24 (AIO Connections)
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.
IOA – CN4
12
11
10
9
8
7
6
5
4
3
Valve Monitor – Safety 2
1
2
1 3
24VDC
0VDC
Figure 14-23 for the AIO.
PCSS-A Series Technical Manual
Sections 9.2 and
X23
X22
X21
X20
X19
X18
X17
X16
X15
X14
X13
X12
Released: 12/09/2024
Figure
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