Electrical connection
Leuze electronic BPS 8 56
TNT 35/7-24V
7.4 Electrical connection via connection unit MA 8-01 / MA 8-02
7.4.1 PWR IN HOST/RS485 connector – voltage supply/RS 485
Figure 7.7: MA 8-01/MA 8-02 – Pin assignment PWR IN HOST/RS485 connector
Electrical data
Service interface No MA 8-01/MA 8-02 connected:
RS 232 with default data format,
9.6kBit/s, 8 data bits, no parity, 1 stop bit
With MA 8-01/MA 8-02 connected:
RS 485 replaces RS 232
Switching input/output 1 switching input, 1 switching output, each is programmable
Switching input: 10 … 30VDC
Switching output: I
max
= 60mA
output voltage = operating voltage
Operating voltage 10 … 30VDC
Power consumption Max. 0.5W (without BPS 8)
PWR IN HOST/RS485 (5-pin connector, A-coded)
Pin Name Comment
1VINPositive supply voltage: +10 … +30VDC
2 RS485B
RS 485 receive/transmit data
B-line
3GNDSupply voltage: 0VDC
4 RS485A
RS 485 receive/transmit data
A-line
5FEFunctional earth
Thread FE Functional earth (housing)
CAUTION
Degree of protection IP 67!
Degree of protection IP 67 is achieved only if the connectors and caps are screwed into
place!
3
21
4
5
RS485A GND
VIN
FE
RS485B
PWR IN
HOST/RS485
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