3. Instruction Set
API
Mnemonic Operands Function
295 DMVRW
DMV communication
command
Type
OP
Bit Devices Word devices Program Steps
X Y M S K H KnX
KnY
KnM
KnS
T C D E F
DMVRW: 9 steps
EX2/
SS2
SE
SX2
EX2/
SS2
SE
SX2
EX2/
SS2
SE
SX2
Operands:
S
1
: Communication port on a PLC S
2
: Function of a DMV D
1
: Source or destination device
D
2
: Communication flag device
Explanations:
The models supported are SS2 V3.2 and above.
S
1
specifies a communication port on a PLC for sending/receiving data and station numbers. Only
the communication ports on a PLC are supported. Please refer to the description of the PLC
used for more information.
S
1
+0 ~ S
1
+3 are described below.
Please refer to the description of a PLC.
S
1
+1
Station address of a
DMV
Applicable to a serial communication port
(RS485/RS232/RS422)
Description of S
1
+0:
COM on a PLC
K1~K5
K1~K5 represent PLC COM1~PLC COM5.
S
1
+0 ~ S
1
+1
S
2
is used to set a communication function code. The devices that these operand occupies and the
functions of the devices are described below.
S
2
+0
Communication combination
function code
Please refer to the description of the function
codes below.
S
2
+1 Communication address
It is only applicable to K0, and is not applicable
to other codes.
S
2
+2 Reading/Writing
Other values: Writing
It is only applicable to K0, and is not applicable