Mitsubishi MELSEC-Q QD77MS User Manual

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Chapter 5 Data Used for Positioning Control
Storage item Storage details Reading the monitor value
Md.19
Number of write
accesses to flash
ROM
Stores the number of write
accesses to the flash ROM
after the power is switched ON.
The count is cleared to "0"
when the number of write
accesses reach 26 and an
error reset operation is
performed.
Refresh cycle: Immediate
Monitoring is carried out with a decimal display.
Monitor value
Storage value
0 to 25
Md.50
Forced stop input
This area stores the states
(ON/OFF) of forced stop input.
Refresh cycle: Operation cycle
Monitoring is carried out with a decimal display.
Monito
r
v
alue
Storage value
0 : Forced stop input ON (Forced stop)
1 : Forced stop input OFF (Forced stop release)
Md.51
Amplifier-less
operation mode
status
Indicates a current operation
mode.
Refresh cycle: Immediate
Monitoring is carried out with a decimal display.
Monito
r
v
alue
Storage value
0 : Normal operation mode
1 : Amplifier-less operation mode
Md.52
Communication
between
amplifiers axes
searching flag
Stores the detection status of
axis that set communication
between amplifiers.
Refresh cycle: Immediate
Monitoring is carried out with a decimal display.
Monitor
value
Storage value
0 : Search end
1 : Searching
Md.53
SSCNET control
status
Stores the connect/disconnect
status of SSCNET
communication.
Refresh cycle: Immediate
Monitoring is carried out with a decimal display.
Monitor
value
Storage value
1 : Disconnected axis existing
0 : Command accept waiting
-1
:
Execute waiting
-2
: Executin
g
Md.59
Module
information
Stores the module information.
Refresh cycle: At power supply
ON
Monitoring is carried out with a hexadecimal display.
Storage value
1 : QD77MS
00
Monitor
value
Storage value
0 : 2 axes
1 : 4 axes
2 : 16 axes
Md.130
OS version
Stores the first five digits of
QD77MS product information.
Refresh cycle: At power supply
ON
Monitoring is carried out with a hexadecimal display.
0
Monitor
value
00
Storage value
First five digits
of product
information
Buffer memory (stored with BCD code)
Buffer memory 1207/4007 Buffer memory 1206/4006
Md.131
Digital
oscilloscope
executing
Stores the RUN status of digital
oscilloscope.
Refresh cycle: Main cycle
Monitoring is carried out with a decimal display.
Monitor
value
Storage value
0: Stop
1: Run
-1: Stop b
y
erro
r

Mitsubishi MELSEC-Q QD77MS Specifications

General

Brand	Mitsubishi
Model	MELSEC-Q QD77MS
Category	Control Unit
Language	English