RIA15 Wiring
Endress+Hauser 21
6 Wiring
L
WARNING
Danger! Electric voltage!
‣
The entire connection of the device must take place while the device is de-energized.
Only certified devices (optionally available) may be connected in the hazardous area
‣
Observe corresponding notes and wiring diagrams in the Ex-specific supplement to
these Operating Instructions. If you have any questions, please do not hesitate to
contact your E+H representative.
NOTICE
SELV/Class 2 device
‣
The device may only be powered by a power unit with an energy-limited circuit in
accordance with IEC 61010-1: 'SELV or Class 2 circuit'.
Device destroyed if current too high
‣
Do not operate the device at a voltage source without a current limiter. Instead, operate
the device only in the current loop with a transmitter.
• Panel housing:
The terminals are located on the rear of the housing.
• Field housing:
The terminals are located inside the housing. The device has two M16 cable entries. The
housing must be opened for wiring purposes.
Operation of the spring terminals
A0020848
9 Operation of the spring terminals
1. When using rigid cables with a ferrule, just plug the cable into the terminal. No tools
required. With flexible wires the spring mechanism of the terminal must be operated
as shown in step 2.
2. In order to loosen the cable, push the spring mechanism in completely using a
screwdriver or other suitable tool and pull out the cable.
6.1 Quick wiring guide
Terminal Description
+ Positive connection, current measurement
- Negative connection, current measurement (without backlighting)
LED Negative connection, current measurement (with backlighting)
Auxiliary terminals (electrically connected internally)
Functional grounding:
• Panel-mounted device:
Terminal on the rear of the housing
• Field device:
Terminal in the housing
To Next Page
Loading...
