YASKAWA SGD7S Product Manual page 447

Alarm Number:
Possible Cause
Alarm Name
A failure occurred in
the Digital Operator.
CPF01:
Digital Operator
Communications
Error 2
A failure occurred in
the SERVOPACK.
*1.
Detection Conditions
• Rotary Servomotor
If either of the following conditions is detected, an alarm will occur.
Encoder resolution
] 
-1
Pn533 [min
6 10
] 
-1
Maximum motor speed [min
• Linear Servomotor
If either of the following conditions is detected, an alarm will occur.
Pn585 [mm/s]
Linear encoder pitch [m]
Pn385 [100 mm/s]
Linear encoder pitch [m]
*2.
Detection Conditions
• Rotary Servomotor
If either of the following conditions is detected, an alarm will occur.
 1/3 
-1
Rated motor speed [min ]
・
Maximum motor speed [min
• Linear Servomotor
If either of the following conditions is detected, an alarm will occur.
Rated motor speed [mm/s]
Linear encoder pitch [m]
Pn385 [100 mm/s]
Linear encoder pitch [m]
*3.
Refer to the following manual for details.
Σ-7-Series Peripheral Device Selection Manual (Manual No.: SIEP S800001 32)
*4.
These alarms are not stored in the alarm history. They are only displayed on the panel display.
Confirmation
–
–
Pn20E

5
Pn210
Encoder resolution Pn20E

Approx. 3.66  10
12 Pn210
Resolution of Serial Converter Unit

10
Resolution of Serial Converter Unit

Approx. 6.10 10
Encoder resolution Pn20E

Pn210
5
610
Encoder resolution Pn20E

-1 
]
Approx. 3.66  10
12 Pn210
 1/3
Resolution of Serial Converter Unit

10
Resolution of Serial Converter Unit

Approx. 6.10 10
12.2.2 Troubleshooting Alarms
Continued from previous page.
Correction
Disconnect the Digital
Operator and then con-
nect it again. If an alarm
still occurs, the Digital
Operator may be faulty.
Replace the Digital Oper-
ator.
Turn the power supply to
the SERVOPACK OFF and
ON again. If an alarm still
occurs, the SERVOPACK
may be faulty. Replace the
SERVOPACK.
Pn20E

Pn210
Pn20E

Pn210
5
Pn20E

Pn210
Pn20E

Pn210
5
12.2 Alarm Displays
Reference
–
–
12
12-41