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Troubleshooting, Latching fault when actuating the escape release, Fault reset – EUCHNER MGB-LxxB-PNx-xxx (PROFINET) with Data Structure Type B User Manual

Page 40: Troubleshooting 40

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Operating Instructions Safety System MGB-L..B-PN.-... (PROFINET)

40

Troubleshooting

Latching fault when actuating the escape release

In order to achieve monitoring of the locking device in category 4, PL e according

to EN ISO 13849-1, an internal monitoring logic system is integrated into every

locking module.
Result: The MGB system enters into a latching fault when the escape release is

actuated (refer to the “System status table LEDs on interlocking/locking module”

on page 38).

Note:

The system might not enter into a latching fault if the escape release is actuated

very slowly.

Fault reset

Proceed as follows:
1. Acknowledge via output bit

O0.1

(in the data block for the diagnostic func-

tion).

2. Close safety guard if necessary and switch guard locking on.

¨

The system is in normal mode again.

Guar

d position

Position of the bolt tongue

Guar

d locking

Input bit SI3

Input bit SI4

Input bit SI5

Input bit I10

Input bit I17

Input bit I18

Input bit I24

LED indicator

State

DIA 1 (gr

een)

POWER

DIA 2 (r

ed)

ST

ATE (yel

-

low)

X

X

X

off

off

off

off

on

on

X

7 x

Plausibility test erroneous (e.g. after actuation of the

escape release)*

LED not illuminated

LED illuminated

10 Hz (8 s)

LED flashes for 8 seconds at 10 Hz

3 x

LED flashes three times

X

Any state