Endress+Hauser PROFI BUS Proline Promag 53 PROFIBUS DP Operating Manual page 61

Proline Promag 53 PROFIBUS DP/PA
Endress+Hauser
Flexible assignment boards (order version 53***-***********V and 53***-
***********P)
d
g
b
d
g
b
A (RS485)
RxD/TxD-N
27
B (RS485)
26
RxD/TxD-P
– 25
+ 24
f
– 23
+ 22
– 21
+ 20
N (L-) 2
L1 (L+) 1
Fig. 35: 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 signal cable shield/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)
Signal cable: see Terminal assignment → Page 58
g
A
a
B
N (L–)
L1 (L+)
d
1 2
e
g
c
b
b
2
C
a
b g d
B (RS485)
RxD/TxD-P
A (RS485)
RxD/TxD-N
+ – + – + –
20 21 22 23 24 25 26 27
g
c e
d
Wiring
f
a0002591
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