Table 14 - Processor Card Pl3 Connector - Siemens ST750 General Handbook

Also, the connectors PL2, PL3, PL6 and PL7 require a small-ended
(2.5mm) screwdriver. Use a Phoenix Screwdriver Part Number SZS
0.4 x 2,5 or equivalent (see note at the top of each table).
When installing in any other cabinet, a Softwire kit is required. Wire the loose wire
ends of the Softwire kit cableform to the terminal blocks in the cabinet, using the
relevant signals as defined by the works specification and shown in the tables that
follow:
Note: These terminals must be tightened correctly, using Phoenix Screwdriver Part
Number SZS 0.4 x 2,5 or equivalent.
PL3
PCB
Connector
Pin No
1 O/P 88 Common
2 O/P 88 Closed Contact
3 O/P 89 Common
4 O/P 89 Closed Contact
5 O/P 90 Common
6 O/P 90 Closed Contact
7 O/P 90 Open Contact
8 O/P 91 Common
9 O/P 91 Closed Contact
10 O/P 91 Open Contact
11 Tactile Phase B
12 Audible Phase B Loud
13 Audible Phase B Quiet
Coding Details: The plug mount connector on the CPU PCB PL3 has coding pins 2,
8 and 13 fitted, with the cable fitted socket connector that mates with
PL3 having coding ridges 2, 8 and 13 removed. This coding prevent
the incorrect connection between PL3 and PL2. For more details
see the following diagram:
667/HB/33750/000
Table 14 – Processor Card PL3 Connector
Controller Isolated O/P,
Tactile and Audible
Circuits
Softwire Kit Cableform
Colour
Brown
Red
Orange
Yellow
Green
Blue
Not used
Slate
White
Not used
Red/Orange
Red/Green
Red/Brown
Page 83
ST750 G
ENERAL
667/1/27863/100
Terminal Block
Pin No
TBX1
TBX2
TBX3
TBX4
TBX5
TBX6
-
TBX7
TBX8
-
TBX10
TBX11
TBX12
H
ANDBOOK
Issue 6