820i Programmable HMI Indicator/Controller
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2.0
Installation
This section describes procedures for connecting load cell, digital I/O, and serial communications cables to the
820i
indicator.
Assembly drawings and replacement parts lists for the universal model are included for the service technician. See
Use a wrist strap for grounding and to protect components from electrostatic discharge (ESD) when working
inside the indicator enclosure.
This unit uses double pole/neutral fusing which could create an electric shock hazard. Procedures requiring
work inside the indicator must be performed by qualified service personnel only.
The supply cord serves as the power disconnect for the 820i. The power outlet supplying the indicator must be
installed near the unit and be easily accessible.
2.1 Unpacking and Assembly
Immediately after unpacking, visually inspect the
820i
to ensure all components are included and undamaged. The shipping
carton should contain the indicator, this manual, and a parts kit. If any parts were damaged in shipment, notify Rice Lake
Weighing Systems and the shipper immediately.
See
for parts kit contents.
2.2 Enclosure Disassembly
The indicator enclosure must be opened to install option cards and to connect cables for installed option cards.
The 820i has no on/off switch. Before opening the unit, ensure the power cord is disconnected from the power
outlet.
1. Ensure power to the indicator is disconnected.
2. Place the indicator face-down on an anti static work mat.
3. Remove the screws that hold the backplate to the enclosure body.
4. Lift the backplate away from the enclosure and set it aside.
CAUTION
WARNING
Содержание 820i
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