WR-90 Point to Multi-Point Wireless Instruction Manual
14
Field Unit Connections
To access the connectors, remove the enclosure cover and unscrew the two captive stainless steel
screws. Remove the electronics assembly from the enclosure. Signal connections are made to removable
terminal blocks on the back of the electronics assembly. Grounding connections are made to the two
ground screws provided on the base – one internal and one external.
•
Static electricity can damage sensitive components.
•
Observe safe handling precautions for static-sensitive
components.
•
Use proper grounding procedures/codes.
Warning!
•
Observe all safety regulations. Electrical wiring should be
performed in accordance with all agency requirements and
applicable national, state, and local codes to prevent damage
to the device and ensure personnel safety.
Figure 11 below shows the locations of screw terminal blocks on the rear of the wireless field unit
assembly.
Figure 11. Field Unit Device Assembly, Rear View
Wireless
Module
