6 Installation
40
6.2 Device with cable gland
General information
DANGER!
For connection to devices in Ex areas see chapter 6.4 "Electrical connection in Ex areas",
Page 45.
• Permissble cable diameter for devices with cable gland made of: 6 to 12 mm
• Max. wire cross-section 1.5 mm
2
• Lay signal lines separate from cables with voltages of > 60 V.
Use a shielded cable with twisted wires.
Avoid the vicinity of large electrical systems.
The full specification as per HART® version 5.1, will only be achieved with a shielded cable.
Connection
1. Unscrew the housing cover from behind, see chapter 5.2 "Unscrew the front ring or case lid",
Page 27
2. Ground the device.
3. To connect the connecting cables, see the following illustration.
(1) The Connecting cable must extend at least 5 mm into the housing
(2) Tighten the screw fitting by hand until you encounter resistance
(3) Tighten the screw connection with a wrench:
Plastic 4.5 Nm approx.
Metal 8 Nm approx.