CG Emotron OSTO 100, Instruction Manual

Page: 31 / 112

CG Drives & Automation 01-7513-11r0 Connections and wiring 31
6.2 EMC environment
The maximum allowed length of external wiring to the STO safety inputs
STO1 and STO2 is 30 meters. In addition, observe and follow the
recommended EMC connections according to the Emotron main product
manual for the AC drive.
6.3 Cable requirements
Recommended cable: 2 x 2 x 0.75 mm
2
low voltage, single shielded / screened,
twisted pair cable with screen connected to AC Drive chassis (PE).
Maximum allowed cable length is 30 m, counting from STO inputs towards the
operating contact switch.
Feature Wire type Unit Min Max
Cross
section
Stranded wire without cable
end sleeve
mm
2
0.1 2.5
Stranded wire with cable end
sleeve / ferrule without plas-
tic collar
mm
2
0.1 2.5
Stranded wire with cable end
sleeve / ferrule and plastic
collar
mm
2
0.1 2.5
Two stranded wires with the
same area without cable end
sleeve
mm
2
0.1 1.5
Two stranded wires with the
same area with cable end
sleeve / ferrule without plas-
tic collar
mm
2
0.1 1
Two stranded wires with the
same area with twin-cable
end sleeve / ferrule with plas-
tic collar
mm
2
0.1 1.5
Insulation
stripping
length
mm 7 8