Eaton ELC-CODNETM User Manual page 18

ELC-CODNETM
D
Step A: The ELC processor transfers the explicit message data to the ELC-CODNETM
scanner.
Step B: The ELC-CODNETM scanner sends the explicit request to the target devices.
Step C: The target devices process the request and send the response to the
ELC-CODNETM scanner.
Step D: The ELC processor receives the explicit response data.
Explicit Message Structure
The explicit message request and response are transferred between the ELC processor
and the ELC-CODNETM in D registers of the ELC processor.
D register
D6250 ~ D6281
The user can move the data of explicit request message to D6250 ~ D6281 and the
ELC-CODNETM scanner will send the response data to D6000 ~ D6031. The explicit
message request format is shown in the table below.
16
Exp Request (ELC to ELC-CODNETM)
Exp Request (ELC -CODNETM
POWER
MS
NS
5
1
x10
5
0
x10
DR 1
DR 0
IN 1
IN 0
POWER
RUN
ERROR
BAT.LOW
RUN
STOP
0
1
Output image
Image
Length
mapping
Explicit
message
32 words
program
request
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A
to ELC)
C
s POWER
s
MS
Slave explicit response
X0
5 5
NS
X1
1
x10
X2
X3
5 5
X4 0
x10
X5
X6
DR 1
X7
DR 0
IN 1
C0
IN 0
Y0 B
C1
Y1
Master explicit request
C2
Y2
Y3
Input image
D register
D6000 ~ D6031
Image
Length
mapping
Explicit
message
32 words
program
response
MN05006002E