Delta DVP-ES2 User Manual download pdf (Page 324)

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DVP-ES2/EX2/SS2/SA2/SX2/SE Operation Manual - Programming

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Program Example 4: COM2 RS-485

1. Connect PLC to VFD-B series AC motor drives (AC motor drive in RTU Mode; PLC in 16-bit

mode and M1161 = ON).

2. Write the data to be sent into registers starting from D100 in advance. Write H12 (Forward

running) into H2000 (VFD-B parameter address).

MOV D1120H86

M1002

SET M1120

SET M1122

MOV

D1129K100

M1123

RST M1123

RS D100 K8 D120 K8

SET

M1161

Processing Received data

Set up communication protocol as 9600,7,E,1

Retain communication protocol

Set up communication time-out as 100ms

8-bit mode

Pulse for

sending request

Write transmitting data in advance

Sending request

Reset M1123.

PLC Ö VFD-B, PLC sends: 01 06 2000 0012 02 07

VFD-B Ö PLC, PLC receives: 01 06 2000 0012 02 07

Registers for sent data (PLC sends out messages)

D100 low 01 H Address

D101 low 06 H Function

D102 low 20 H

D103 low 00 H

Data address

D104 low 00 H

D105 low 12 H

Data content

D106 low 02 H CRC CHK Low

D107 low 07 H CRC CHK High

Registers for received data (VFD-B responds with messages)

D120 low 01 H Address

D121 low 06 H Function

D122 low 20 H

D123 low 00 H

Data address

D124 low 00 H

D125 low 12 H

Data content

D126 low 02 H CRC CHK Low

D127 low 07 H CRC CHK High

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Delta DVP-ES2 User Manual Page 324

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