Mitsubishi Electric FX5 User Manual page 201

When the send/receive data monitoring function is used, add a program as follows.
Program example
Monitor start
trigger Monitoring
X21 M21
Monitor start
M20
= SD9240 H2
= SD9240 H100F
Option
specification Monitoring
X22 M21
Monitoring
M21
= SD9240 H1002
Monitor stop Monitoring
X23 M21
Monitor
stopping
M22
= SD9240 H1002
Device Description
X21 Monitor start trigger
X22 Option specification trigger
X23 Monitor stop trigger
M20 Monitor start contact
M21 Monitoring contact
M22 Monitor stopping contact
R0 to R3329 Monitor data area
FMOV K0 R0 H0D00
MOV H1 SD9240
SET M20
RST M20
SET M21
RST M20
MOV H1 SD9241
RST M21
MOV H0
SD9240
SET M22
RST M22
RST M21
Device Description
SD9240 Send/receive data monitoring function setting (CH2)
SD9241 Send/receive data monitoring function option setting
(CH2)
• Data area full stop specification: Monitor stop
• Packet stop specification: 1-packet stop specification
SD9242 Monitoring data device specification (CH2)
• Monitoring data device: R device
SD9243 Monitoring data start device No. specification (CH2)
• Monitoring data start device No.: 0
SD9244 Monitoring data size specification (CH2)
• Monitoring data size: D00H (=3328)
6 PREDEFINED PROTOCOL SUPPORT FUNCTION
Monitor start
0 clear Monitor data.
Monitor start instruction
Turn on "Monitoring"
when the monitoring starts.
Monitoring setting error is
detected.
Monitoring is suspended.
Option specification
Data area full stop specification
Monitoring stops automatically
when the number of monitor data
size is larger than the specified
one.
Monitor stop instruction
Monitor stop instruction
Turn off each contact when
the monitoring stops.
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6.8 Programming
6