Safety Manager Safety Manual - Tuv-fs.com
Safety Manager Safety Manual - Tuv-fs.com
Safety Manager Safety Manual - Tuv-fs.com
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SM IO faults<br />
Digital output faults<br />
Related to<br />
Diagnostic message<br />
reports<br />
digital output loop** current detected<br />
(line monitored)<br />
1oo2D voting<br />
digital output loop**<br />
(line monitored)<br />
digital output loop**<br />
(other)<br />
De-energize shorted<br />
output(s).<br />
de-energize shorted output(s).<br />
open loop none -continue none -continue<br />
short circuit detected De-energize shorted<br />
output(s).<br />
de-energize shorted output(s).<br />
loop power *** external power down none -continue none -continue<br />
channel fault<br />
FR state = Low<br />
channel fault<br />
Other FR states<br />
module fault<br />
FR state = Low<br />
Table 11 Controller response to digital output faults (continued)<br />
module faulty<br />
De-energize outputs<br />
on module & start<br />
repair timer<br />
De-energize outputs<br />
on module & start<br />
repair timer<br />
module faulty none -continue none -continue<br />
module faulty<br />
Non redundant output<br />
Controller response *<br />
De-energize outputs<br />
on module & start<br />
repair timer<br />
De-energize outputs<br />
on module & start<br />
repair timer<br />
module fault module faulty none -continue none -continue<br />
Other FR states<br />
<strong>com</strong>pare **** output <strong>com</strong>pare error apply FR state apply FR state<br />
Redundant output, Controller response<br />
CP X (faulty output) CP Y (healthy output)<br />
none -continue<br />
none -continue<br />
* If the Controller is redundant, both CPs respond the same.<br />
** This fault is usually caused by an anomaly in the field, not by a defect of an output module.<br />
*** When this anomaly occurs on all modules in a watchdog group or a power group, it is not a defect of the output module.<br />
**** Occurs when detecting a difference in the output values of a redundant SM Controller.<br />
Analog output faults<br />
Analog output faults<br />
Related to<br />
Table 12 on page 29 provides an overview of faults that can be detected in<br />
relation to analog outputs and the response to these faults.<br />
Table 12 Controller response to analog output faults<br />
Diagnostic message<br />
reports<br />
Non redundant output<br />
Controller response *<br />
analog output calculation error halt Controller halt Controller<br />
Redundant output, Controller response<br />
CP X (faulty output) CP Y (healthy output)<br />
<strong>Safety</strong> <strong>Manager</strong> <strong>Safety</strong> <strong>Manual</strong> 29
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