Power Supply; Electrical Connection Measuring Unit - Endress+Hauser Proline Promass 80A Technical Information

Electrical connection
Measuring unit
10

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
26
B (RxD/TxD-P)
–
25
+
24
f
–
23
+
22
–
21
+
20
N (L-)
2
L1 (L+) 1
Connecting the transmitter, cable cross-section: max. 2.5 mm²
A View A (field housing)
B View B (stainless steel field housing)
C View C (wall-mount housing)
*) Fixed communication board
**) Flexible communication board
a Cover of the connection compartment
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 terminal assignment → ä 11
d
Fieldbus cable:
Terminal No. 26: DP (B) / PA (+) / FF (+) / MODBUS RS485 (B) / (PA, FF: with reverse polarity protection)
Terminal No. 27: DP (A) / PA (-) / FF (-) / MODBUS RS485 (A) / (PA, FF: with reverse polarity protection)
e Earth terminal, signal cable screen / fieldbus cable / RS485 line
f Service connector for connecting service interface FXA 193 (Fieldcheck, FieldCare)
Signal cable: see terminal assignment → ä 11
g
Cable for external termination (only for PROFIBUS DP with fixed 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
Proline Promass 80A, 83A
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
Endress+Hauser
d
e
c
b
d
e
g
c
b
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