BIXOLON SRP-270 Service Manual

Rev. 3.02
- 38 -
SRP-270
4-3-9 DIP Switch Circuit
The key Board Circuit consist of the scan signal of 4 lines and the return signal of 4-line. The CPU sends
repeatedly and continuously the scan data R1, 2, 3, 5 through P10.0~10.2, P1.1. The DIP S/W information
input in the return signal if the specific DIP S/W is ON Status during the given time. The CPU reads the data
through C1~C4 and analyzes what DIP S/W is ON and performs the selected function.
[Figure 4-12 DIP Switch Block Diagram]
M30622SFP
R1~R3,R5
DIODE(MMBD6050L)
R5
R5
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BIXOLON SRP-270 Specifications

General

Color	No
Maximum print size	-
Media thickness	76 mm
Print technology	Dot matrix
Power requirements	120-230VAC
Standard interfaces	Parallel, Serial