Bus Out; Profibus Termination - Leuze electronic MA 204i Technical Description

7.4

BUS OUT

BUS OUT
VCC 1
M 12 socket
Table 7.4:
 For the host connection of the MA 204i, the ready-made KB PB-xxxxx-Sx cables are
preferred, "Bus connection cable for the MA 204i" on page 78.
Notice!
Ensure adequate shielding. For the devices and ready-made cables offered by
Leuze electronic, the shield is on PIN 1.
7.4.1

PROFIBUS termination

The last physical PROFIBUS participant must be terminated with a terminating resistor (see
"Accessory terminating resistor" on page 75) on the BUS OUT socket.
Leuze electronic
BUS OUT (5-pin socket, B-coded)
A (N)
2
GND 485
3
5
4
FE
B (P)
(B-coded)
Pin assignments for PROFIBUS DP BUS OUT
Pin Name
1 VCC
2 A (N)
3 GND 485
4 B (P)
5 FE
Thread FE
MA 204i
Electrical connection
Remark
+5 V DC for bus termination (termination)
Receive/transmit data A-line (N)
RS 485 ground reference for bus
termination
Receive/transmit data B-line (P)
Functional earth / shield
Functional earth (housing)
31