Siemens 3TK2845, Manual

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Technical Data
3TK2845 Multifunction Device Manual
3-2
GWA 4NEB 926 2087-22 DS 01
3.1 Technical Data
Type 3TK2845-.....
Specifications EN 60204-1, EN 954-1, IEC 61508
EMC EN 60947-5-1
Category according to EN 954-1 4
Safety Integrity Level (SIL) 3
Test certifications TÜV (German Technical Inspectorate)
Rated insulation voltage U
i
300 V
Rated impulse withstand voltage U
imp
4 kV
Rated supply voltage U
s
24 V DC
Operating range 0.85 to 1.15 U
s
Rated power consumption 2.5 W
Short-circuit protection Short-circuit-proof, use fuse links at the
isolated protected outputs: LV type 3NA,
DIAZED type 5SB, NEOZED type 5SE
Switching frequency z during rated operation 2000 1/h
Response time max. 60 ms
Release time, (Stop category 0) during
EMERGENCY-STOP 45 ms
Release time, (Stop category 1) at the safe
outputs during EMERGENCY-STOP max. 300 seconds (adjustable)
Mains buffering 25 ms
Recovery time during EMERGENCY-STOP/
power failure min. 200 ms/min. 8 seconds
Min. recommended duration of EMERGENCY-
STOP command 30 ms
Duration of command for START button 0.2 to 5 seconds
Permissible ambient temperature T
a
during
operation and storage
–25 up to +50 °C/–40 up to +80 °C
Total resistance of sensor circuit R
SG
Max. 250
Ω
Total capacity of sensor circuit C
SG
Max. 500 nF
Degree of protection according to EN 60529,
casing/terminals IP20
Shock-hazard protection, DIN VDE 0106/Part
100 Protection against direct contact
Weight 0.4 kg
Permissible mounting position Any
Shock resistance Sine wave 8/10 and 15/5 g/ms
Table 3-1: Technical Data