Power Supply; Electrical Connection, Measuring Unit - Endress+Hauser Proline Promag 50H Manual

Proline Promag 50H, 53H
Electrical connection,
measuring unit
Endress+Hauser

Power supply

A
d
g
b
HART*
– 27
+ 26
– 25
+ 24
f
– 23
+ 22
– 21
+ 20
N (L-) 2
L1 (L+)1
PROFIBUS DP*
A (RxD/TxD-N) 27
B (RxD/TxD-P) 26
–
25
+
24
f
–
23
+
22
–
21
+
20
N (L-) 2
L1 (L+) 1
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)
*) fixed communication boards
**) flexible communication boards
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
Signal cable: see "Electrical connection, terminal assignment" → ä 8
d
Fieldbus cable:
- Terminal No. 26: DP (B) / PA + / FF + / MODBUS RS485 (B) / (PA, FF: with polarity protection)
- Terminal No. 27: DP (A) / PA – / FF – / MODBUS RS485 (A) / (PA, FF: with polarity protection)
e Ground terminal for signal cable shield / Fieldbus cable / RS485 line
f Service adapter for connecting service interface FXA193 (Fieldcheck, FieldCare)
Signal cable: see "Electrical connection, terminal assignment" → ä 8
g
Cable for external termination (only for PROFIBUS DP with fixed assignment communication board):
- Terminal No. 24: +5 V
- Terminal No. 25: DGND
B
d
g
b
a
PA(–)/FF(–)
PA(+)/FF(+)
d
f
e
c
N (L-)
L1 (L+)
b
A (RxD/TxD-N)
B (RxD/TxD-P)
d
f
e
g
c
N (L-)
L1 (L+)
b
2
(14 AWG)
C
a
a
b d/(g) (d)
PROFIBUS PA*
FOUNDATION Fieldbus*
27
26
–
25
+
24
–
23
+
22
–
21
+
20
2
1
PROFIBUS DP**
MODBUS RS485**
27
26
– 25
+ 24
– 23
+ 22
– 21
+ 20
2
1
d
e
c
b
d
e
g
c
b
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