Honeywell TC Series User Manual

TC · Edition 08.17 51
Safety information in accordance with EN 61508-2 for TC 1, TC 2, TC 3
8.2.4 Outputs
Safety interlock
OK
V1
V2
/OK enable signal
at 230/120 V AC mains voltage, max. 3 A resistive load,
at 24 V DC mains voltage, max. 5 A resistive load.
Valve outputs V1 and V2
at 230/120 V AC mains voltage, max. 3 A resistive load,
at 24 V DC mains voltage, max. 5 A resistive load.
Fault signal
OK
V1
V2
at 24 V DC, 120 V AC or 230 V AC mains voltage and
control voltage:
max. 5 A resistive load,
at 120 V AC/230 V AC mains voltage and 24 V DC con-
trol voltage: max. 100 mA.
8.3 SIL and PL for TC 1, TC 2, TC 3
Safety function
The basic safety function of the TC 1, TC 2, TC 3 is to
check that automatic shut-off valves have closed effec-
tively by detecting leakage.
Classification
Class C regulating and control functions
Demand mode
High demand mode pursuant to IEC 615084
Hardware Fault Tolerance HFT
HFT: N = 0
SIL Safety Integrity Level/PL Performance Level
See page 48 (Safety-specific characteristic values).

Honeywell TC Series Specifications

General

Brand	Honeywell
Model	TC Series
Category	Control Unit
Language	English