| 摘要 |
b) Circuit arrangement for monitoring the switching in outlet switches with one or more columns, in which arrangement the signalling contacts, connected in series with each switching column n (n = 1, 2, 3, etc.) of the outlet switch and of the motor drive, constitute the closed circuit of a time-delayed relay, upon the triggering of which the motor drive is stopped. c) The invention relates to the circuit arrangement for monitoring the switching of outlet switches. <IMAGE> |
