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

DVP-ES2/EX2/SS2/SA2/SX2/SE Operation Manual - Programming
2. M1136→M1138: retain communication setting
3. D1252→D1249: Set value for data receiving timeout
4. M1320→M1139: ASCII/RTU mode selection
5. M1316→M1312: sending request
6. M1318→M1314: receiving completed flag
M1002
MOV
H87
D1109
Set communication protocol as 9600,8,E,1
SET
M1136
Retain communication setting
MOV
K100
D1252
Set communication timeout as 100ms
X0
X0
M1318
RST M1320 M1320 = OFF
SET M1320
ASCII mode
SET
MODRW
Receiving completed
M1316
K1
Received data
Sending request
K16
ASCII mode: No processing on received data .
RTU mode: No processing on received data .
H2000 D50 K2
M1320 = ON
RTU mode
Data length: K2
Datat register:
D50 = H1770, D51=H12
Data address: H2000
Function Code: K16
Write in multiple Word data
Connection device address: K1
RST
M1318
Reset M1318
• ASCII mode (COM3: M1320 = OFF, COM1: M1139 = OFF):
When X0 = ON, MODRW executes the function specified by Function Code H10
PLC VFD-B, PLC sends: “01 10 2000 0002 04 1770 0012 30”
VFDPLC, PLC receives: “01 10 2000 0002 CD”
(No processing on received data)
• RTU Mode (COM3: M1320=On, COM1: M1139=On):
When X0 = ON, MODRW executes the function specified by Function Code H10
PLC VFD-B,PLC sends: “01 10 2000 0002 04 1770 0012 EE 0C”
VFD-BPLC, PLC receives :"01 10 2000 0002 4A08"
(No processing on received data)
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