Proline Promag 55 PROFIBUS DP/PA Wiring
Endress+Hauser 47
4.3.3 PROFIBUS DP connection diagram
Permanent assignment board (order version 55***-***********J)
A0002308
Abb. 31: Connecting the transmitter, cable cross-section: max. 2.5 mm
2
(14 AWG)
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 ground
d Fieldbus cable
– Terminal No. 26: B (RxD/TxD-P)
– Terminal No. 27: A (RxD/TxD-N)
e Fieldbus cable shield ground terminal
Observe the following:
– the shielding and grounding of the fieldbus cable ä 39
– 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 FXA193 (Fieldcheck, FieldCare)
g Cable for external termination:
– Terminal No. 24: +5 V
– Terminal No. 25: DGND
C
a
d
b
g
27
25
23
21
2
1
26
24
22
20
L1 (L+)
N (L-)
B( )RxD/TxD-P
A (RxD/TxD-N)
d
c
e
b
g
f
DGND
+5 V
1
2
ce
f
bd
222320 21 24
25
26
27
DGND
+5 V
g
L1 (L+)
N (L–)
A (RxD/TxD-N)
B( )RxD/TxD-P
a
A
B
d
g
b
d
g
b