
7. TROUBLESHOOTING
7 - 3
No. Name
Detail
No.
Detail name
Stop
method
(Note 1, 2)
Alarm
which
SSM is
disabled
(Note 4)
Alarm reset
Error reset
CPU reset
Power off
to on
Alarm
7B.1
Encoder diagnosis error 1 (safety observation
function)
SS1/EDB
7B
Encoder diagnosis error
(safety observation function)
7B.2
Encoder diagnosis error 2 (safety observation
function)
SS1/EDB
7B.3
Encoder diagnosis error 3 (safety observation
function)
SS1/EDB
7B.4
Encoder diagnosis error 4 (safety observation
function)
SS1/EDB
7C
Functional safety unit
communication diagnosis error
(safety observation function)
7C.1
Functional safety unit communication setting error
(safety observation function)
SS1/SD
(Note 3)
7C.2
Functional safety unit communication data error
(safety observation function)
SS1/SD
(Note 3)
7D
Safety observation error
7D.1
Stop observation error
STO/DB
7D.2
Speed observation error
STO/DB
(Note 3)
Note 1. The following shows stop methods. For other stop methods, refer to section 4.5.2 (3) (a).
DB: Stops with dynamic brake. (Coasts for the servo amplifier without dynamic brake.)
SD: Forced stop deceleration
STO/DB: Dynamic brake stop with STO function
SS1/SD: Forced stop deceleration with SS1 function
SS1/EDB: Electronic dynamic brake stop (available with specified servo motors)
Refer to the following table for the specified servo motors. The stop method for other than the specified servo
motors is SS1/DB.
Series
Servo
motor
HG-KR HG-KR053/HG-KR13/HG-KR23/HG-KR43
HG-MR
HG-MR053/HG-MR13/HG-MR23/HG-MR43
HG-SR HG-SR51/HG-SR52
2. This is applicable when [Pr. PA04] is set to the initial value. The stop system of SD can be changed to DB using [Pr. PA04].
[Pr. PA04] is a parameter for servo amplifiers.
3. Reset this while all the safety observation functions are stopped.
4. The SSM function will be disabled and each output device will turn off.
(2) Warnings
No. Name
Detail
No.
Detail name
Stop
method
(Note 1, 2)
Alarm
which
SSM is
disabled
with
(Note 3)
Warning
95 STO
warning
95.3
STO warning 1 (safety observation function)
STO/DB
95.4
STO warning 2 (safety observation function)
STO/DB
95.5
STO warning 3 (safety observation function)
STO/DB
E6
Servo forced stop warning
E6.2
SS1 forced stop warning 1 (safety observation
function)
SS1/SD
E6.3
SS1 forced stop warning 2 (safety observation
function)
SS1/SD
Note 1. The following shows stop methods.
STO/DB: Dynamic brake stop operating the STO function
SS1/SD: Forced stop deceleration operating the SS1 function
2. This is applicable when [Pr. PA04] is set to the initial value. The stop method of SS1/SD can be changed to SS1/DB with [Pr.
PA04]. [Pr. PA04] is a parameter for servo amplifiers.
3. The SSM function will be disabled and each output device will turn off.
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