PKB-M, PKB-MS Operating Manual8
Replacement for P4B 3NK brake
If you are using the mini-compact brake to replace the P4B 3NK brake
unit, please note that the connections are not 100 % identical.
CAUTION!
The unit will be destroyed if connected incorrectly.
The following table compares the terminal designations on the brake units.
The supply voltage to terminals A2, A3 and A1 on the P4B 3NK brake unit
is no longer required on the mini-compact brake PKB-M and PKB-MS.
P4B 3NK
Terminal
1*
2*
A2
A3
6
7
8
9
A1
L1
L2
Z1
Z2
-
-
-
PKB-M, PKB-MS
Terminal
Y11*
Y12*
-
-
Y24/6
7
8
9
-
A1/L1
L2
Z11
Z12/Z22
Z21
Z31
Z32
Commissioning
* Only on units with an external brake contactor
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