Rockwell Automation Publication 1756-UM013B-EN-P - October 2019 61
1756-OBV8S Output Module Features Chapter 4
Single-channel Point
Operation Type
When the output channel is in the On state and without any faults, the safety
outputs turned on. The status is normal. If a fault is detected on the output
channel, the safety output data and individual safety output status turn off.
For information on how using single-channel Point Operation Type with a
1756-OBV8S module affects the safety application suitability level, see Table 13
on page 59.
Figure 14 - 1756-OBV8S Single-channel Point Operation Type (Not to Scale)
Normal Operation
Fault Detection
ON
OFF
ON
OFF
ON
OFF
ON
OFF
Safety Output 0
Status
Output 0
Safety Network Data
Sent to the Controller
Safety Output 0
Status
Output 0
Safety Network Data
Sent to the Controller
Error Detected
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