ABB ACS800-U1 Application Guide

Technical data 37
 STO safety relay type
 Push-button to be used with emergency stop
 Switch to be used with Prevention of unexpected start-up function
implemented with STO
Safety data
Note: The safety relay is not included in the safety data given in this chapter.
 STO in ACS800 drives and inverter modules
The data applies to both air-cooled and liquid-cooled modules.
General requirements IEC 61508 and/or EN/ISO 13849-1
Example 1 Simple SIL3 approved safety relay
Type and manufacturer DOLD LG 5925.48/60 AC/DC 24 V
ABB BT50 24DC
Approvals SILCL 3 according to EN 62061 and PL e according to EN ISO 13849-1
Example 2 Programmable safety logic
Type and manufacturer ABB AC500-S
Approvals IEC 61508, SIL3; and EN ISO 13849-1, PL e
Type A push-button operated switch with a palm or mushroom head type.
Actuators of emergency stop devices are colored red.
Example ABB CE4T-10R-02
Type A lockable selector switch with a reliable and unambiguous indication of
positions.
Example Kraus & Naimer
DH11 A291-600, FT22-V+S0V845/A11/D11
Frame size
SIL/
SILCL
SC PL
SFF PFH
PFD
avg
T
1
= 2 a
PFD
avg
T
1
= 5 a
MTTF
D
DC
Cat. HFT CCF
T
M
(%)
(1/h)
T
1
= 20 a
(a) (%) (a)
R2, R2i 2 2 d >90 3,63E-10 3.54E-06 4.53E-06 5373
>
90 2 0 65 20
R3, R3i 2 2 d >90 3.63E-10 3.54E-06 4.53E-06 5373
>
90 2 0 65 20
R4, R4i 2 2 d >90 8.11E-10 7.50E-06 1.82E-05 4987
>
90 2 0 65 20
R5, R5i 2 2 d >90 5.67E-10 5.34E-06 1.28E-05 5190
>
90 2 0 65 20
R6 2 2 d >90 3.97E-10 3.85E-06 9.06E-06 5341
>
90 2 0 65 20
R7, R7i,
R8, R8i
2 2 d >90 8.72E-10 8.03E-06 1.95E-05 4993
>
90 2 0 65 20
3AXD10000342876 Rev B

ABB ACS800-U1 Specifications

General

Brand	ABB
Model	ACS800-U1
Category	Controller
Language	English