Endress+Hauser RN42, Руководство по эксплуатации, Страница: 11 / 32

RN42 Electrical connection
Hauser 11
6 Electrical connection
6.1 Connecting requirements
A flat-blade screwdriver is required to establish an electrical connection to screw or push-
in terminals.
0,5-0,6 Nm
5-7 lb In
7 mm (0,28")
AWG 24-14
0,2 -2,5 mm 5 ²
AWG 24-14
0,2 - ,5 mm 5 2 ²
10 (0,39") mm
1.
2.
1.
1. 2.
3.
A0040201
 4 Electrical connection using screw terminals (left) and push-in terminals (right)
L
CAUTION
Destruction of parts of the electronics
‣
Switch off the power supply before installing and connecting the device.
NOTICE
Destruction or malfunction of parts of the electronics
‣
ESD - Electrostatic discharge. Protect the terminals and HART sockets on the front
from electrostatic discharge.
‣
A shielded cable is recommended for HART communication. Observe grounding
concept of the plant.
For information on the connection data, see the "Technical data" section.
6.2 Special connection instructions
• Disconnecting units and auxiliary circuit protective systems with suitable AC or DC
values must be provided within reach in the building installation.
• A switch/power circuit breaker must be provided close to the device and clearly marked
as a disconnecting unit for this device.
• A circuit breaker (nominal current ≤ 10 A; breaking capacity 6 kA; e.g. type B) must be
provided within reach for the supply line.
For information on the connection data, see the "Technical data" section.