Operating instructions Chapter 12
S3000
8009942/WK81/2012-11-28 © SICK AG • Industrial Safety Systems • Germany • All rights reserved 155
Subject to change without notice
Technical specifications
Minimum Typical Maximum
Data interface
Communication protocol RS<422 (proprietary)
Transmission speed (selectable) 9600 Baud
19200 Baud
38400 Baud
125 kBaud
250 kBaud
500 kBaud
Cable length at 500 kBaud and 0.25 mm²
cables
100 m
Galvanic isolation Yes
Differential output voltage at the sender
(between TxD+ and TxD–) with 50 b load
±2 V ±5 V
Differential input threshold at the receiver
(between RxD+ and RxD–)
±0.2 V
Short-circuit current at TxD+, TxD– –250 mA 250 mA
Max. voltage level at TxD+, TxD– –29 V 29 V
Max. voltage level at RxD+, RxD– –29 V 29 V
Terminating resistance 115 b 120 b 125 b
Type of connecting cable Twisted pairs with copper braid screen
Characteristic impedance of the connecting
cable
80 b 100 b 115 b
Wire cross-section of the connecting cable 0.25 mm² 0.6 mm²
EFI — safe SICK device communication
Cable length at 500 kBaud and
1 × 2 × 0.22 mm² cables
50 m
Galvanic isolation Yes
Type of connecting cable Twisted pairs with copper braid screen,
cable diameter 6.8 mm
Wire cross-section of the connecting cable 1 × 2 × 0.22 mm²