Mitsubishi NZ2GFCF-D62PD2, User Manual

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231
CHAPTER 11 TROUBLESHOOTING
11
11.5 T
roub
leshooting for
E
a
ch Pheno
menon
11.5.1
Whe
n the setting
on the oper
ation mode setting is the no
rmal mode
(d) When the count value cannot be replaced with a preset value by the preset/replace
(at coincidence output) function
*1 For
Δ
T
1
, refer to the following.
Page 283, Appendix 4
(3) When the cam switch function does not perform normal operation
(a) When Cam switch output signal (RWr2) does not turn on or off
(b) When only the output (Y0 to YF) of the extension output module does not turn on
Check item Action
Is CH  External preset/replace (Z Phase) request detection (RX23,
RX3B) off?
Turn off CH  External preset/replace (Z Phase) request detection
(RX23, RX3B) by turning on CH  External preset/replace (Z Phase)
request detection reset command (RY23, RY3B).
Note that the ON/OFF time of CH
 External preset/replace (Z
Phase) request detection reset command (RY23, RY3B) must be
Δ
T
1
*1
or longer. ( Page 249, Appendix 1.2)
Is Preset/replace setting at coincidence output (address: 0103
H
) set
to "Present value replaced (1)"?
Set Preset/replace setting at coincidence output (address: 0103
H
) to
Present value replaced (1).
Is Coincidence output 1 to 4 (RX10 to RX13) off?
This function replaces the count value with the preset value at the
rising edge (OFF to ON) of Coincidence output 1 to 4 (RX10 to
RX13). Turn off Coincidence output 1 to 4 (RX10 to RX13) before
replacing the value.
Is the interval between every execution of this function
Δ
T
1
*1
or
longer?
Set the interval of
Δ
T
1
*1
or longer between every execution of this
function referring to the following.
Page 114, Section 8.3.3
Is the interval of
Δ
T
1
*1
or longer taken between change in the
setting in CH  Preset value setting (RWw14 to RWw15, RWw2C to
RWw2D) and the execution of preset?
Set the interval of
Δ
T
1
*1
or longer between change in the setting in
CH  Preset value setting (RWw14 to RWw15, RWw2C to RWw2D)
and the execution of preset.
Check item Action
Is the cam switch output assigned properly?
Review the settings in Cam switch output unit assignment setting
(address: 0104
H
) and Cam switch output channel assignment setting
(address: 0105
H
).
For the step setting, is the minimum setting width of the ON/OFF
status proper?
Review the minimum setting width of the ON/OFF status referring to
the following.
Page 117, Section 8.3.4
Is the step setting within the count range of the ring counter when
the counter format is the ring counter? Review the step setting and set steps within the count range of the
ring counter.
Check item Action
Is the external power supply for the extension output module on? Turn on the external power supply for the extension output module.
Is the external wiring at the output terminal of the extension output
module correct?
Check the external wiring and correct errors.