F 3334 (0626)
All rights reserved. Equipment subject to change without notice: 237
HIMA Paul Hildebrandt GmbH + Co KG, P.O. Box 1261, 68777 Brühl
F 3334
F 3334: 4-channel output module
safety-related, applicable up to SIL 3 according to IEC 61508
• resistive or inductive load up to 2 A (48 W)
• lamp connection up to 25 W
• with integrated safety shutdown, with safe isolation, with line monitoring
• no output signal at break of the L- supply
Figure 1: Block diagram and front cable plug
Appertaining function blocks: HB-BLD-3 or HB-BLD-4
The module is automatically tested during operation. The main test routines are:
– Reading back of the output signals. The operating point of the 0-signal read back is
≤ 6.5 V. Up to this value the level of the 0-signal may arise in case of a fault and this will
not be detected
– Switching capability the test signal and cross-talking (walking-bit test)
Outputs 2 A, short-circuit-proof
Internal voltage drop max. 2 V at 2 A load
Admissible line resistance (in + out) max. 3.6
Ω
Undervoltage tripping at
≤ 16 V
Output leakage current max. 550
μA
Output voltage if output is reset max. 1.5 V
Current input WD max. 30 mA
Monitored switching time max. 250
μs
Space requirement 4 SU
Operating data 5 VDC / 130 mA
24 VDC / 130 mA plus load
μ
only
till
release
AS01
included:
Capacitor
0,1
F
part-no.
171112104
Front
cable plug
k
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