Diagnostics / service
8.4 Diagnostics with MSS ES
Modular Safety System 3RK3
266 System Manual, 10/2008, 926 2530-02 DS 02
Start
Status Symbol Meaning
Start signal duration invalid Yellow Only with start type "Monitored start":
The start signal time monitoring element detected a violation.
Start condition not fulfilled Yellow is set if:
• A sensor test was not executed in the case of an active startup test
function
• A discrepancy condition violation is present
• The value "1" is not present simultaneously at all available
(parameterized) function inputs (IN1, ...)
• A signal sequence violation is present
• A cross-circuit is present in the case of cross-circuit monitoring
Messages for enabling button
The monitoring function supports the following messages:
General
Status Symbol Meaning
Discrepancy condition violated Red is set if:
• The signal states of all inputs to be monitored had not all previously
been reset simultaneously to the value "0" when they are set to "1"
Enabling button OFF Green The enabling button has the status OFF.
Enabling button ON Green The enabling button has the status ON.
Input
Status Symbol Meaning
Cross-circuit at input x Red A cross-circuit was detected at input x.
Start condition not fulfilled Yellow is set if:
• A discrepancy condition violation is present
• A cross-circuit is present
• The value "1" is not present simultaneously at all available
(parameterized) function inputs (IN1, ...)
Messages for two-hand operation
The monitoring function supports the following messages:
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