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Connection diagram
To prevent restart at failure occurrence, connect terminals So (SO) and SOC to the reset button, which are the feedback input
terminals of the safety relay module.
RESET
Emergency
stop button
Safety relay module/
safety programmable controller/
safety controller
Safety stop function operation
Internal
Input terminal
Input
safety circuit
power
status
S1
OFF
—
—
Normal
ON
Normal
ON
Normal
OFF
Normal
OFF
ON
Fault
ON
Fault
ON
Fault
OFF
Fault
OFF
So (SO)
SOC
S2
S1
SIC
So (SO)
SOC
S2
S1
SIC
Output
Output
*1*2
*8*9*10
terminal
signal
S2
So (SO)
SAFE
—
OFF
OFF
*3
ON
OFF
ON
*4
*4
OFF
OFF
OFF
*4
*4
ON
OFF
OFF
*3
*3
OFF
ON
ON
ON
OFF
OFF
OFF
OFF
OFF
ON
OFF
OFF
OFF
OFF
OFF
FR-A802-P
Logic
Gate
Driver
ASIC
CPU
G
FR-A802-P
Logic
Gate
Driver
ASIC
CPU
G
Inverter operating status
Output shutoff (Safe state) Not displayed
Operation enabled
Output shutoff (Safe state) Displayed
Output shutoff (Safe state) Displayed
Output shutoff (Safe state) Not displayed
Output shutoff (Safe state) Displayed
Output shutoff (Safe state) Displayed
Output shutoff (Safe state) Displayed
Output shutoff (Safe state) Displayed
2. INSTALLATION AND WIRING
P
N
Gate
IGBTs
Driver
G
U V W
P
N
Gate
IGBTs
Driver
G
U V W
M
Operation panel indication
*6
*7
E.SAF
SA
Not displayed
Not displayed
Not displayed
Displayed
Displayed
Displayed
*5
Not displayed
Displayed
Displayed
Displayed
2.6 Control circuit
1
2
3
4
5
6
7
8
9
10
63
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