13
2114575-06-02/21 (translation of the original operating instructions)
Operating Instructions Safety Systems
MGB-L..B-PN.-… (PROFINET) and With Data Structure Type A
EN
6.5.2. Case B
You have an MGB with a version number of V3.30.0 and a GSD file with a version number of ..._110026-20110725 or older.
The guard locking solenoid is controlled if
for MGB-L1...
Ì
bit
SO 1 = 1
for MGB-L2...
Ì
bit
O 16
OR
bit
SO 1 = 1
Truth table
PROFINET bit
PROFIsafe bit
Guard locking with
O 16
SO 1
MGB-L1...
MGB-L2...
0
0
Active
Inactive
0
1
Inactive
Active
1
0
Active
Active
1
1
Inactive
Active
What must be observed?
Bit
O 16
does not have any function with version MGB-L1.... In existing installations in which old devices are replaced with
new ones (e.g. due to defect), malfunctions can occur if control via bit
O 16
was programmed in the PLC.
Remedy:
1. Replace the old GSD file with a version from ..._110026-20110815.
2. In the parameter
Locking module – solenoid control
, activate non-safe control of the guard locking solenoid via bit
O 16
.
3. Set bit
SO 1
permanently to the value 1.
¨
The guard locking solenoid is controlled exclusively via bit
O 16
or
Ì
Change the control bit from
O 16
to
SO 1
in your PLC program.