Delta DVP-10PM, Applications Manual

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5
Categories and Use of Basic Application Instructions
DVP-PM Application Manual 5-93
the data again. The specified times of retry: 3 (D0 = 3).
M1002
MOV H87 D1120
SET M1120
SET M1122
MOV K100 D1129
RST M1127
M1127
X0
MODWR
K1 H0100 H1770
X0
M1129
M1140
M1141
RST
M1129
MOV K3 D0
LD>= D0 D100
M1122
INC D100
RST
D100
M1129
M1140
RST
M1140
M1141 RST
M1141
Retry when communication time-out occurs
Retry when data receiving error occurs
Retry when parameter error occurs
Receiving completed
Processing received data
Set communication protocol as 9600, 8, E, 1
Retain communication protocol
Set communication timeout as 100ms
Sending request
Set communication instruction:
Data: H1770
Data address: H0100
Device address: 01
The received data is stored in D1070-D1085
in ASCII format .
Reset M1127
Reset M1129 (receiving timeout)
Points to note:
1. If rising-edge contacts (LDP, ANDP, ORP) or falling-edge contacts (LDF, ANDF, ORF) is used before MODWR
instruction, sending request flag M1122 has to be executed as a requirement..
2. There is no limitation on the times of using this instruction, but only one instruction can be executed at a time on
the same COM port.