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9. Peripheral Unit Drive Circuit
Peripheral unit drive circuit connector only connects to peripheral units such as cash drawers, etc.
Do not connect it to a telephone.
Use cables which meet the following specifications.
Peripheral Drive Connector
Signal
Pin No.
name
1
FG
2
DRD1
3
+24 V
4
+24 V
5
DRD2
6
DRSNS
Drive circuit
The recommended drive unit is shown below.
6
1
6-P Modular jack
connector
Reference
2SD 1866 Circuit Configuration
B
R3
R3 = 3.5 kΩ
R4 = 300 W
Function
direction
Frame ground
Drive signal 1
Drive power
Drive power
Drive signal 2
Sense signal
F.G
TR1
+24 V
M-GND
TR2
M-GND
+5 V
TR3
R2
C
R4
E
I/O
Modular plug
Modular plug: MOLEX 90075-0007,
—
AMP641337, or BURNDY B-66-4
OUT
OUT
OUT
OUT
IN
1
2
D1
3
7824
4
D2
5
R1
6
Printer side
User side
Drive Output:
TR1, TR2: Transistor 2SD1866 or equivalent
R1=10 k Ω
R2=33 k Ω
– 25 –
Shield
With shield
Peripheral
L1
unit 1
R3
4.7 kΩ
L2
1/4 W
Peripheral
unit 2
Compulsion
switch
Frame
ground
24 V, Max. 1.0 A
Wire lead
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