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DVP-ES2-EX2-SS2-SA2-SX2-Operation Manual

DVP-ES2-EX2-SS2-SA2-SX2-Operation Manual

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<strong>DVP</strong>-<strong>ES2</strong>/<strong>EX2</strong>/<strong>SS2</strong>/<strong>SA2</strong>/<strong>SX2</strong>/SE <strong>Operation</strong> <strong>Manual</strong> - Programming<br />

192. When X20 = ON, Y24~Y27 will be scanned in circles automatically. Each circle requires 12<br />

scan cycles. M1029 = ON for a scan cycle whenever a circle is completed.<br />

193. When there is 1 set of 4-digit 7-segment display, n = 0 ~ 3<br />

Connect the 7-segment display terminals 1, 2, 4, 8 in parallel then connect them to Y20 ~ Y23 on<br />

PLC. After this, connect the latch terminals of each digit to Y24 ~ Y27 on PLC.<br />

1. When X20 = ON, the content of D10 will be decoded through Y20 ~ Y23 and sent to<br />

7-segment display in sequence by the circulation of Y24 ~ Y27<br />

194. When there are 2 sets of 4-digit 7-segment display, n = 4 ~ 7<br />

Connect the 7-segment display terminals 1, 2, 4, 8 in parallel then connect them to Y30 ~ Y33 on<br />

PLC. After this, connect the latch terminals of each digit to Y24 ~ Y27 on PLC.<br />

2. The content in D10 is sent to the 1 st set of 7-segment display. The content in D11 is sent to<br />

the 2 nd set of 7-segment display. If D10 = K1234 and D11 = K4321, the 1 st set will display 1 2<br />

3 4, and the 2 nd set will display 4 3 2 1.<br />

Wiring of the 7-segment display scan output:<br />

C Y20 Y21 Y22 Y23 C Y24 Y25 Y26 Y27 C Y30 Y31 Y32 Y33<br />

1 2 4 8<br />

10 0 10 1 10 2 10 3<br />

1<br />

2<br />

4<br />

8<br />

10 3 10 2 10 1 10 0 V+<br />

The first set<br />

1<br />

2<br />

4<br />

8<br />

10 3 10 2 10 1 10 0 V+<br />

The second set<br />

Points to note:<br />

195. For executing this instruction, scan time must be longer than 10ms. If scan time is shorter<br />

than 10ms, please fix the scan time at 10ms.<br />

196. If the output points of PLC is transistor output, please apply proper 7-segment display.<br />

197. Operand n is used for setting up the polarity of the transistor output and the number of sets of<br />

the 4-digit 7-segment display.<br />

198. The output point must be a transistor module of NPN output type with open collector outputs.<br />

The output has to connect to a pull-up resistor to VCC (less than 30VDC). When wiring,<br />

output should connect a pull-high resistor to VCC (less than 30VDC). Therefore, when output<br />

point Y is ON, the output signal will be LOW.<br />

3-192

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