Cubemass DCI
Endress+Hauser 7
Power supply
Electrical connection
Measuring unit
A0012023
Connecting the transmitter, cable cross-section: max. 2.5 mm
2
(14 AWG)
A View A (field housing)
B View B (wall-mount housing)
a 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: NN for AC, L- for DC
b Signal cable: Terminal assignment → ä 8
c Fieldbus cable
– Terminal No. 26: B (RxD/TxD-P)
– Terminal No. 27: A (RxD/TxD-N)
d Ground terminal for protective ground
e Ground terminal for signal cable shield/ fieldbus cable shield
Please note:
– shielding and grounding of fieldbus cable È Operating Instructions
– 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)
HART
b
d
e
a
–27
–25
–23
–21
+26
+24
+22
+20
N (L-) 2
L1 (L+) 1
f
MODBUS RS485
25
23
21
2
1
24
22
20
L1 (L+)
N (L-)
–
–
–
+
+
+
27
26
A (RxD/TxD-N)
B (RxD/TxD-P)
c
d
e
a
b
f
A
b/c
a/a
–/b
HART
MODBUS RS485
B
–/c
a/a
b/b