Hitachi IJ UX, Service Manual

Page: 102 / 308

3-22
[Setting of switch/check point/LED display and the like]
- Setting of switch
[SW1]
<
P
rint target sensor >
- When supplying power from the IJ printer :
Set as shown in the following table depending on the output form of the print
target sensor.
Output form SW1 – 5 SW1 – 6
Open collector
（
NPN
）
ON OFF
Open collector
（
PNP
）
OFF ON
- When using the external dedicated power supply:
Set as shown in the following table is not depending on the output form of the
print target sensor.
Output form SW1 – 5 SW1 – 6
Open collector
（
NPN
）
OFF OFF
Open collector
（
PNP
）
OFF OFF
<
R
otary encoder >
- When supplying power from the IJ printer :
Set as shown in the following table depending on the output form of the rotary
encoder.
- When using the external dedicated power supply :
Irrespective of the output form of the rotary encoder, set as shown in the
following table depending on the power supply voltage.
[SW2]
Switching that the input signal connection is NPN/PNP is set.
*) Input signal: Print stop, Reciprocative printing, Deflection voltage ON/OFF,
Run, Reset , Stop
Input / Output NPN Input / Output PNP
DSW2
Both of bits are put on the bottom Both of bits are put on the up position.
Input NPN / Output PNP Input PNP / Output NPN
DSW2
Set only the right bit to the up position. Set only the left bit to the up position.
SW1 Set content Default
Bit 1 Setting is performed according to the specification of the encoder. ON
Bit2 (Refer to the setting by types of the specification described below.) OFF
Bit3
Setting is performed according to the specification of the print target detector .
ON
Bit4 Setting is performed according to the specification of the encoder. OFF
Bit5
Setting is performed according to the specification of Print target
detector.
ON
Bit6 (Refer to the setting by types of the specification described below.) OFF
Bit7 Reserved (set to OFF) OFF
Bit8 Print target detector signal noise filter setting
( Time constant: t = 2.2 millisecond) OFF
Output form SW1 - 1 SW1 – 2 SW1 - 3 SW1 - 4
Totem pole OFF OFF ON ON
Open collector ON OFF ON OFF
Power supply voltage SW1 - 1 SW1 - 2 SW1 - 3 SW1 - 4
DC 12V OFF ON ON OFF
DC 24V OFF OFF ON OFF
ON
OFF
ON
4 3 2 1 8 7 6 5
Mark
Mark
Mark
Mark