PNOZ s4.1
Operating Manual PNOZ s4.1
21890-EN-15
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Inputs 750124 750154 751124 751154
Max. overall cable
resistance Rlmax
Single-channel at
UB DC 30 Ohm 30 Ohm 30 Ohm 30 Ohm
Single-channel at
UB AC – 30 Ohm – 30 Ohm
Dual-channel
without detection
of shorts across
contacts at UB
DC 60 Ohm 60 Ohm 60 Ohm 60 Ohm
Dual-channel
without detection
of shorts across
contacts at UB
AC – 60 Ohm – 60 Ohm
Dual-channel with
detection of
shorts across
contacts at UB
DC 30 Ohm 30 Ohm 30 Ohm 30 Ohm
Dual-channel with
detection of
shorts across
contacts at UB
AC – 30 Ohm – 30 Ohm
Semiconductor
outputs
750124 750154 751124 751154
Quantity 1 1 1 1
Voltage 24 V 24 V 24 V 24 V
Current 20 mA 20 mA 20 mA 20 mA
Residual current at
"0" signal 0,1 mA 0,1 mA 0,1 mA 0,1 mA
Max. internal voltage
drop 5 V – 5 V –
Conditional rated
short circuit current 100 A 100 A 100 A 100 A
Lowest operating
current 0 mA 0 mA 0 mA 0 mA
Utilisation category
in accordance with
EN 60947-1 DC-12 DC-12 DC-12 DC-12
Relay outputs 750124 750154 751124 751154
Number of output
contacts
Safety contacts
(N/O), instantan-
eous 3 3 3 3
Auxiliary contacts
(N/C) 1 1 1 1