M Series AC Servo
User Manual
174
Rev. 1.0
7/31/2019
400-820-9661
11.6.2 commissioning
1. Be sure the grounding terminal or grounding wire provided is fine. To avoid electric shock and
malfunction.
2. Please use the STO safety-related function in Vibration-free place or the limited environment.
11.7. The requirements for conguration test of safety functions,
11.7.1 General and normal running condition, annual average is 30℃, Perform the daily and peri-
odical inspection as per the items below.
Type Cycles Items to be inspected
Daily
inspection
daily
1. Make sure the ambient temperature and humidity
2. Main circuit voltage
3. Damage of the cables
4. Pinching of foreign object at the load
5. Loose connection or misalignment between the motor
and machine or equipment.
Annual inspection 1 year
1. Loose tightening
2. Trace of overheat
3. Damage to STO terminal block
4. SF1 safety input circuit function if work normal
5. SF2 safety input circuit function if work normal
11.7.2 Safety relevant parameters and their values
Parameter Actual value
PFH 1.41e-09/H
MTTFd High
CCF ( for EN ISO 13849) 95
CCF ( for IEC 61508) 49
Category 3
DC Low
SFF 67.645%
HFT 1
Beta Factor 2%
PL d
The SIL/SIL capability
2
11.7.3 The test procedures of safety functions
Logical relation between safety input signal and EDM output signal
Signal
Symbol Photocoupler logic
Safety input
SF1 ON ON OFF OFF
SF2 ON OFF ON OFF
EDM output
EDM OFF OFF OFF ON
1. Safety input SF1, SF2 are OFF, and the photocoupler in EDM output circuit is ON.
2. Monitoring the logics (all 4 states) of photocoupler shown in the table above, theexternal device can
determine the status (normal or abnormal) of safety input circuit and EDM output circuit., make sure
the safety function normal.
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