YOKOGAWA DX1000 User Manual

9
IM 04L41B01-18E
Explicit Message
AnExplicit message is a point-to-point, request/response-type communication.
System Configuration on PLC
Use the configuration tool to code an Explicit message as an MSG instruction in the
control logic. In the MSG instruction, set all the information including a target device,
targetregister,andread/write.DownloadthecreatedcontrollogictoaPLCandexecute
it.
OntheDX,
thedatacounttobeaccessedperMSGinstructionshouldbe100orless.
In Case of PLC-2, PLC-5, and SLC
• Commands
 WhencreatinganMSGinstruction,specifyacommand.TheDXsupportsthefollowing
commands:
Target PLC Command name
PLC-2 PLC2UnprotectedRead/Write
PLC-5 PLC5
WordRange
Read/Write
PLC5TypedRead/Write
SLC SLCTypedRead/Write
• Specification of data to be accessed
 SpecifywhichofthedataintheDXshouldbeaccessed.ThePLC-2,PLC-5,andSLC
manage data to be accessed in units of "files."
For an external input channel, separate access destinations are used for reading and
writing.
 Command:PLC2UnprotectedRead/Write
Data to be accessed File number
Data type: INT16
Type Number
Measurement
channel
1 1000
2 100
1
• • • • • •
47 1046
48 1
047
Computation
channel
10
1 2000
102 2001
• • •
• • •
159 2058
160 2059
Communication
input data
C01 3000
C02 300
1
• • • • • •
C59 3058
C60 3059
External input
channel
(for writing)
20
1 4000
202
4001
• • • • • •
439 4238
440
4239
External input
channel
(for reading)
201 4500
202 4501
• • • • • •
4
39
4738
440
4739
"• • •" stands for data in numerical order.

YOKOGAWA DX1000 Specifications

General

Brand	YOKOGAWA
Model	DX1000
Category	Recording Equipment
Language	English