Installation
Leuze
electronic
44
BCL 21/22
Leuze electronic
Notice!
The operating mode active/passive is selected via the two jumpers on the TTY interface
module (MA 4 120/MA 4 D 120).
Voltage supply
In the connector unit MA 4 1xx/MA 4 D 1xx, the connections for the voltage supply are imple-
mented twice. This permits wiring through or the voltage supply of additional components.
Table 6.12:
Terminal assignment voltage supply
Notice!
It is imperative that the protective conductor PE also is wired through to avoid electromag-
netic interference.
Switching inputs 1 and 2
The connector unit MA 4 1xx/MA 4 D 1xx has two switching inputs SE 1 and SE 2.
• Input voltage: 12 … 30VDC
Table 6.13:
Terminal assignment switching inputs
Terminal
Signal
Function
17
V_IN
Operating voltage 10 … 30VDC
18
V_IN
Operating voltage 10 … 30VDC
19
GND_IN
Operating voltage 0VDC
20
GND_IN
Operating voltage 0VDC
21
PE
Protective earth, grounding
22
PE
Protective earth, grounding
Terminal
Signal
Function
7
SE2
Switching input 2, 12 … 30VDC
9
SE1
Switching input 1, 12 … 30VDC
11
VDD_SE
Supply voltage, switching input,
equal to V_IN device
12
GND_SE
GND, switching input,
equal to GND_IN device
Содержание BCL 21
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