YOKOGAWA UTAdvanced Series, User Manual

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IM 05P07A01-01EN
3.3.4 Communication with PLC
With ladder communication you cannot specify D registers by using their numbers as is.
Set register numbers as shown below.
D register: 4-digit BCD value of the register number with its leading character “D”
removed.
PLCs that can communicate with UTAdvanced are those capable of using the ladder
communication protocol.
PLCs that can be connected to a UTAdvanced are listed below.
Supplier Product Requirement Remarks
Yokogawa Electric
Corporation
FA-M3
With communication module
(F3RZ91-0F)
(Note)
Mitsubishi Electric
Corporation, or
others
MELSEC-Q series and others With Serial communication unit
PLCs that can communicate in
non-procedural.
With computer link unit
Note: For more information about the PLCs listed above, contact the supplier.
For details, see the user’s manual of the PCL to be connected.

Reading Data
Shown below are the configurations of commands and responses when data in a
UTAdvanced is read by the PLC.

Command
Number of
Bytes
1 1 2 1 1 2 1 1
Number of
BCD digits
2 2 4 1 1 1 1 4 2 2
Element
Address
No.
CPU
No. (01)
Parameter
No.
0 5th
digit
0 0 Number of
data items
to read
CR LF

Response
Number of
Bytes
1 1 2 1 1 2 1 1 1 2
Number of
BCD digits
2 2 4 1 1 1 1 4 1 1 1 1 4
Element
Address
No.
CPU
No. (01)
Parameter
No.
0 5th
digit
0 +/– dddd1 0 5th
digit
0 +/– dddd2
Data of the parameter number
(first data)
Data of the parameter number
(second data)
Continuation of response
1 1 2 1 1
• • • 1 1 1 1 4 2 2
• • • 0 5th
digit
0 +/– ddddn CR LF
Data of the parameter number
(nth data)
3.3 Ladder Communication