Endress+Hauser iTEMP TMT71 - Page 22

Electrical connection iTEMP TMT71, TMT72
22 Endress+Hauser
1 2
3
4
2-
1+
2-
1+
2-
1+
5
6
7
4
5
7
A0039698
 11 Connecting the signal cables and power supply
1 Head transmitter installed in field housing
2 Head transmitter installed in terminal head
3 DIN rail transmitter mounted on DIN rail
4
Terminals for HART
®
protocol and power supply
5 Internal ground connection
6 External ground connection
7
Shielded signal cable (recommended for HART
®
protocol)
• The terminals for the power supply signal cable connection (1+ and 2-) are protected
against reverse polarity.
• Conductor cross-section:
• Max. 2.5 mm
2
for screw terminals
• Max. 1.5 mm
2
for push-in terminals. Min. stripping length of cable
10 mm (0.39 in).