YOKOGAWA DX1000 User Manual page 14

I/O Messages
System Configuration on PLC
Type Number
Measurement 00 – 048
channel
00 – 048
Computation 101 – 160
channel
101 – 160
Communication C01 – C60
input data
C01 – C60
External input 20 – 00
channel
0 – 400
40 – 440
20 – 00
0 – 400
40 – 440
20 – 00
0 – 400
40 – 440
20 – 00
0 – 400
40 – 440
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Data on the DX
IM 04L4B0-8E
An I/O message is also called an Implicit message. An I/O message is used to transmit
pre-specified I/O data at intervals. An I/O message is exchanged via a connection path
which is first set in RSLinx and read into RSLogix. A connection path defines the IP
address of the DX, communication port of the PLC, and distinction of input/output.
A device, once configured in RSLinx, can be downloaded into an RSLogix project. The
DX is configured as a "Generic Ethernet Module" in RSLogix.
Instance ID
Each data on the DX corresponds to the instance ID of an Assembly object. In an I/O
message, use an instance ID to code the data on the DX to be accessed. The following
table lists instance IDs, sizes, and data types.
Operation type
Producer
Producer
Producer
Producer
Producer / Consumer
Producer / Consumer
Producer / Consumer
Producer / Consumer
Producer / Consumer
Producer / Consumer
Producer / Consumer
Producer / Consumer
Producer
Producer
Producer
Producer
Producer
Producer
Configuration
Producer / Consumer
Explanation
• The DX data can be accessed using the INT32 or FLOAT type. Data can be accessed
by the type based on the specified instance ID.
• The operation type "Producer" indicates a read-only instance and "Producer/
Consumer" indicates a read/write instance.
• For an external input channel, instance IDs 150 to 157 are for reading and 140 to 147
are for writing.
See the explanation in the previous section on Explicit messages.
Instance ID Size
0 92 (4 x 48)
115 92 (4 x 48)
20 240 (4 x 60)
125 240 (4 x 60)
0 240 (4 x 60)
135 240 (4 x 60)
40 400 (4 x 00)
4 400 (4 x 00)
42 160 (4 x 40)
145 400 (4 x 00)
146 400 (4 x 00)
47 160 (4 x 40)
150 400 (4 x 00)
151 400 (4 x 00)
152 160 (4 x 40)
155 400 (4 x 00)
156 400 (4 x 00)
157 160 (4 x 40)
90 0
9 0
Data type
INT2
FLOAT
INT2
FLOAT
INT2
FLOAT
INT2
INT2
INT2
FLOAT
FLOAT
FLOAT
INT2
INT2
INT2
FLOAT
FLOAT
FLOAT
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