16
Terminal Assignments in Midrics Indicators
COM1 with Variant: | UniCOM with Option:
Standard data output Data output Clock RS232 RS485 4-20mA Digital I/0
Pin YDO01M-232 YDO01M-232CLK YDO01M-232CO YDO01M-485 YDO01M-20MA YDO01M-IO
1 LOAD_PRINTER LOAD_PRINTER CTS TXD+ I_out (+) OUT5_LOW
2 RESET_OUT RESET_OUT DTR TXD- I_in (-) OUT5_HIGH
3 5V_OUT 5V_OUT RXD RXD+ V_out (+) OUT4_LOW
4 GND GND TXD RXD- V_in (-) OUT4_HIGH
5 CTS CTS GND GND elec. isol. GND elec. isol. OUT3_LOW
6 DTR DTR Universal In GND elec. isol. GND elec. isol. OUT3_HIGH
7 RXD RXD MINOR (<) OUT2_LOW
8 TXD TXD PARES (=) OUT2_HIGH
9 MAJOR (>) OUT1_LOW
10 SET OUT1_HIGH
11 LOAD_PRINTER LINE_OUT * IN5_LOW
12 RESET_OUT LINE_OUT * IN5_HIGH
13 GND GND * IN4_LOW
14 GND GND * IN4_HIGH
15 5V_OUT IN3_ LOW
16 5V switched IN3_HIGH
17 GND IN2_ LOW
18 GND IN2_HIGH
19 n.c. IN1_ LOW
20 LINE_OUT IN1_HIGH
Repairing the Midrics Indicators
* not electrically isolated
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