Temperature Monitoring; Reset After A Fault - Pilz PKB-M Bedienungsanleitung

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U (L1-L2)
B
Enable (8-9)
Motor contactor
Reset contact (6-7)
Brake contactor
Braking current
Motor standstill
(W-U)
Monitoring time
exceeded
Standstill
detected
t : Enable at terminal 8-9
1
t : Motor on
2
t : Braking time
3
Fig. 2: Brake until standstill

Temperature monitoring

Reset after a fault

PKB-M, PKB-MS Operating Manual
DETECTION ET AUTOMATISME - 17 Rocade de la Croix St Georges - 77600 BUSSY ST GEORGES - Tél : 01.64.66.90.00 - Fax : 01.64.66.98.01 - mail : infos@dplusa.fr
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t t
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The temperature monitoring protects the semiconductor from thermal
overload. If the temperature is too high, the braking and the motor will be
switched off immediately.
After rectifying a fault you must either reset manually or the brake unit
goes automatically into "ready for operation". This status can be set.
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t t t t t
V1 V2 3 V3 V4
t
4
t : Braking current overrun
4
t : Monitoring time
5
t ... t : Safety times
V1 V4
t
5
5