Wiring Proline t-mass 65 PROFIBUS DP/PA
32 Endress+Hauser
4.3.4 PROFIBUS PA connection diagram
A0005996
Fig. 23: Connecting the transmitter, cable cross-section max. 2.5 mm² (14 AWG)
A View A (field housing)
B View B (wall-mount housing)
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 ground
d Fieldbus cable:
Terminal No. 26: PA +, with reverse polarity protection
Terminal No. 27: PA –, with reverse polarity protection
e Fieldbus cable shield ground terminal
Please note the following:
– The shield and grounding of the fieldbus cable ä 28
– Make sure that the stripped and twisted lengths of cable shield to the ground terminal are kept as short as possible
f Service connector for connecting service interface FXA193 (Fieldcheck, FieldCare)
d
c
e
b
27
25
23
21
2
1
26
24
22
20
L1 (L+)
PA +
N (L-)
PA –
f
PA –
PA +
1
2
ce
f
b
d
222320 21 24
25
26
27
L1 (L+)
N (L–)
B
a
d
b
a
A
d
b