Profibus Dp Connection Diagram - Endress+Hauser PROFI BUS Proline Promag 53 PROFIBUS DP Operating Manual

Wiring
60
4.3.3

PROFIBUS DP connection diagram

Permanent assignment board (order version 53***-***********J)
d
g
b
d
g
b
A (RxD/TxD-N) 27
B ( RxD/TxD-P ) 26
(DGND)
25
(+5 V)
24
23
22
f
21
20
N (L-) 2
L1 (L+) 1
Fig. 34: Connecting the transmitter, cable cross-section: max. 2.5 mm
A View A (field housing)
B View B (stainless steel field housing)
C View C (wall-mount housing)
a Connection compartment cover
b Cable for power supply: 85 to 260 V AC, 20 to 55 V AC,16 to 62 V DC
Terminal No. 1: L1 for AC, L+ for DC
Terminal No. 2: N for AC, L- for DC
c Ground terminal for protective conductor
d Fieldbus cable
Terminal No. 26: B (RxD/TxD-P)
Terminal No. 27: A (RxD/TxD-N)
e Ground terminal for fieldbus cable shield
Observe the following:
– the shielding and grounding of the fieldbus cable → Page 52
– that the stripped and twisted lengths of cable shield to the ground terminal are as short as possible
f Service adapter for connecting service interface FXA 193 (Fieldcheck, ToF Tool - Fieldtool Package)
g Cable for external termination:
Terminal No. 24: +5 V
Terminal No. 25: DGND
Proline Promag 53 PROFIBUS DP/PA
A
a
B
N (L–)
L1 (L+)
d
e 1 2
g
c
b
b
2
C
a
b g d
(+5 V)
(DGND)
B ( RxD/TxD-P
A (RxD/TxD-N)
24 25 26 27
20 21 22 23
c g e d
Endress+Hauser
)
f
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