Delta DVP-SA2 User Manual

DVP-ES2/EX2/EC5/SS2/SA2/SX2/SE&TP Operation Manual - Programming
4-4
4.2.2 CMD (Command code) and DATA
The content of access data depends on the command code.
Available setting for command code:
CMD(Hex)
Explanation
Device
01 (01 H)
Read status of contact
S, Y, M, T, C
02 (02 H)
Read status of contact
S, X, Y, M,T, C
03 (03 H)
Read content of register
T, C, D
05 (05 H)
Force ON/OFF single contact
S, Y, M, T, C
06 (06 H)
Set content of single register
T, C, D
15 (0F H)
Force ON/OFF multiple contacts
S, Y, M, T, C
16 (10 H)
Set content of multiple registers
T, C, D
17 (11 H)
Retrieve information of Slave
None
23 (17 H)
Simultaneous data read/write in a
polling of EASY PLC LINK
None
Example: Read devices T20~T27 (address: H0614~H61B) from Slave ID#01(station number)
PC→PLC
“: 01 03 06 14 00 08 DA CR LF”
Sent massage:
Field name
ASCII
Hex
STX
:
3A
Slave Address
01
30 31
Command code
03
30 33
Starting Address High
06
30 36
Starting Address Low
14
31 34
Number of Points High
00
30 30
Number of Points Low
08
30 38
LRC checksum
DA
44 41
END
CR LF
0D 0A
PLC→PC
“: 01 03 10 00 01 00 02 00 03 00 04 00 05 00 06 00 07 00 08 C8 CR LF”
Responded massage:
Field name
ASCII
Hex
STX
:
3A
Slave Address
01
30 31
Command code
03
30 33
Bytes Count
10
31 30
Data Hi (T20)
00
30 30
Data Lo (T20)
01
30 31
Data Hi (T21)
00
30 30

Delta DVP-SA2 Specifications

General

Brand	Delta
Model	DVP-SA2
Category	Controller
Language	English