PCD0
Electrical installation
Page 114
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SAIA-Burgess Controls Ltd.
(HB_PCD0 26 766_E2.DOC)
26/766 E2
6.2
Spring terminals of the BC bus coupler, I/O modules modular system and compact RIO’s
At delivery: Terminals open
The terminals are pre-tensioned with a clamping key (1). The terminal
area (3) is open. Each terminal has a measuring point (2) which can
be accessed using a normal 2mm test prod.
Closing the terminal
A
Insert wire in terminal area.
Push the clamping key
towards
B
.
The clamping key is pushed up
towards
C
by the tension of the
spring and remains in the
terminal.
Opening the terminal
Make sure that the slide contacts of the module are open before
opening the terminals to reduce mechanical wear on the contact
points.
Use the screwdriver to push
the clamping key towards
A
.
The clamping key levers the
spring terminal open and
remains in this position.
Remove the cable by pulling it
towards
B
.
You can also open the spring terminal without a clamping key. Use a
screwdriver in place of the clamping key.