2. Description
2-1. Relay board unit
1.Remove the TEL/LIU PWB, control PWB and Power Supply PWB from this unit, and mount the relay board unit instead.
•Before connecting the wiring to the relay board unit, set the test PWB switches to the fixed position.
2.The setting is as follows.
| ∙ The relay cables are used as one pair. |
Relay | ∙ The sensor is wired as shown in the following figure. |
cable | ∙ The door swich and hook switch are manually operated. |
12
CNLIUA
1
CNPW
CHECK CONTROL PWB
CNLIU
TEL/LIU PWB
POWER SUPPLY PWB
The recording paper sensor (PSNS) is operated by OR of the mechani- cal unit switch and the test PWB switch. When performing installation in the machine unit, set the test PWB switches to the fixed position.
| Mechanical unit | PWB to be tested |
| Actual operation with mechanical unit | |
Recording paper | ON/OFF operation | OFF (Photo interrupter |
sensor |
| is interrupted.) |
| PWB sensor check |
|
Recording paper | OFF | ON/OFF operation |
sensor |
|
|
|
|
|
CHECK
TEL/LIU
NOTE
DON'T SEPARATE
UNIT
RELAY CABLE
EXTENSION PWB
CONTROL
PWB
DOOR
SENSOR
PWB
TP2(+5V)
TP1(DG)
TP3
(PSNS)
POWER SUPPLY PWB
C K
TP3
(PSNS)
E A
These cables are connected from the extension board and the checked control PWB at TP1 thru TP3 (signals of DG, +5V and PSNS).
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