-421-
11 Appendix
11.3.9 Trouble Shooting
See the following table to identify the fault cause and the action to be taken. Contact your Inovance
representative if the problem cannot be solved by the described corrective actions. Fault codes related
to the STO function are shown below.
Fault Code
Cause
Action
E150.0
STO1/STO2 not connected to the
24 V input voltage
Connect the STO1 and STO2 to the 24 V input voltage signal.
E150.1
Input states of STO1/STO2 being
inconsistent
1) Ensure the requests for disconnecting the voltage of STO1
and STO2 are triggered
simultaneously.
2) The input circuit is abnormal and a certain STO input signal
is still in "High" status after the 24 V signal is disconnected.
E150.2
OV/UV of 5 V power supply detected
Restore the 5 V power supply to normal state.
E150.3
Input circuit of STO working
abnormally
Fix the input circuit fault.
E150.4
Buffer circuit of STO working
abnormally
Fix the buffer circuit fault.
11.3.10 Product Information
1 Nameplate and model number
"1.1.1 Nameplate and Model Number"
for details.
2
Applicable servo drive
STO applies to the servo drives in the following two kinds of physical structures.
Size
Power Range
Physical Structure
W x H x D (mm
3
)
A
200 W to 400 W
Integrated structure
40 x 160 x 150
B
750 W to 850 W
Integrated structure
50 x 160 x 173
C
1 kW to 1.5 kW
Separated structure
55 x 170 x 173
D
1.8 kW to 3 kW
Separated structure
75 x 170 x 183
E
5 kW to 7.5 kW
Separated structure
90 x 250 x 230