WILLETT 430, Service Manual

Page: 70 / 207

Technical Description: Electronics System
Issue 2
53
Part No. 306-0430-102
Connector Panel
3
2 1
PRINT TRIGGER 1 SHAFT ENCODER COMM 1
4 5 6
STATUS O/P
7
( 1 ) On/Off switch ( 5 ) Shaft encoder connector
(
2
) Fuse holders (
6
) COMM1 Connector
( 3 ) Mains inlet connector ( 7 ) Status O/P connector (option)
( 4 ) Print trigger 1 connector
Figure 21 Connector Panel
The connector panel is a stainless steel pre-drilled plate fitted to the printer base and secured by four screws.
The connector panel is fitted with the components listed below.
•
A mains inlet connector ( 3 ) with a single pole rocker switch ( 1 ) and fuseholders ( 2 ) for supply and return
lines.
•
A 3 way DIN connector ( 4 ) for print trigger 1.
•
A 4 way DIN connector ( 5 ) for a shaft encoder.
•
A 5 way DIN connector ( 6 ) for an RS232 serial communications link. RS232 can only be used over relatively
short distances (15 metres maximum).
•
A 6 way DIN connector ( 7 ) for a set of status traffic lights (optional).