Safe digital input for STO

MOVITRAC® LTP-B

Terminal

Function

General electronics data

Safe digital input

12

STO+

DC +24 V input, max. 100 mA

13

STO-

GND reference potential for safe digital input

Permitted cable cross section

One conductor per terminal: 0.05 – 2.5 mm2

Min.

Typical

Max.

Input voltage range

DC 18 V

DC 24 V

DC 30 V

Time until output stage inhibit

–

–

1 ms

Time until Inhibit appears on the display with active STO

–

–

20 ms

Time until an STO switching time error is detected and displayed

–

–

20 ms

 

INFORMATION

It is not possible to control the STO inputs via pulsed signals such as self-testing digital outputs of safety controllers, for example.