LSIS SV-IS7 - Safety Function Terminal Description; Cable Specification for Signal Terminal Block Wiring

Safety Funtion STO(Safe Torque Off)
Safety
Funtion
STO(Safe
Torque
Off)
227
10.2.4 Safety Function Terminal Description
24S – SE (SFT1)
24S – SP (SFT2)
SR + SR-
Short: Normal operation
Short: Normal operation
B Contact relay output
terminal
Open: Safety Trip (output
blockage )
Open: Safety Trip (output blockage)
10.2.5 Cable Specification for Signal Terminal Block Wiring
Terminal
Wire Thickness
Electrical Standard
Variety
Name
mm
2
AWG
24S
Safety Input power
0.33–1.25mm
2
(16–22 AWG)
Shield type
twisted-pair
wire
24 VDC, Max. 10 mA
SE
Safety Input 1 (SFT1)
Short: Safety function stop
(24S-SE or SP)
Open: Safety function operation
(24S-SP or SP)
SP
Safety Input 2 (SFT2)
SR+,SR-
Safety function completion
output relay
DC 24 V, 5 A below (B contact)
The length of the safety wiring at the input terminal must be less than 30 m.
Using over 30M may cause malfunctions because of noise.