Rice Lake 820i User manual

820i™and 920i®Programmable HMI Indicator/Controllers
Memory Expansion Card Installation
Use the following procedure to install memory expansion option (PN 67600) in 820i and 920i indicators:
WARNING
Disconnect power before removing indicator backplate.
Use a wrist strap to ground yourself and protect components from electrostatic discharge (ESD) when
working inside the indicator enclosure.
1. Disconnect indicator from power source.
2. Place indicator face-down on an anti static work mat. Remove screws that hold the backplate to the
enclosure body.
3. Carefully align the large option card connector with connector J5 or J6 on the 920i CPU board, or J6 on the
820i CPU board. Press down to seat the option card in the CPU board connector.
4. Use the screws and lock-washers provided in the option kit to secure the other end of the option card to the
threaded standoffs on the CPU board.
J6
920i Board Shown
J1
1
6
Memory Module Card
1 MG PN 67609
Screw, Mach
4-40NC x x1/4''
PN 14822
Figure 1. Installing Option Card (PN 67609) onto a CPU Board
5. Make connections to the option card as required.
1
3
5
14
17
16 12
9
8
7
10
11
18
15
4
2
6
13
Torque backplate screws
to 15 in-lb (1.7 N-m)
6. Use cable ties to secure loose cables inside the enclosure.
7. Position the backplate over the enclosure and reinstall the backplate
screws. Use the torque pattern to prevent distorting the backplate
gasket. Torque screws to 15 in-lb (1.7 N-m).
8. Ensure no excess cable is left inside the enclosure and tighten cord
grips.
9. Reconnect power to the indicator.
The indicator automatically recognizes all installed option cards when the unit
is powered on.
PN 69085 Rev A
May 24, 2016

Memory Card Battery
Periodically check the battery voltage on installed memory option cards. Batteries should be replaced when the
battery voltage falls to 2.2 VDC. Life expectancy of the battery is ten years.
Note
All database information stored on a memory card is lost if the memory card battery fails.
CAUTION
Risk of explosion if battery is replaced with incorrect type. Dispose of batteries per manufacturer
instruction.
Specifications
1MB, non-volatile SRAM with supervisory write protection
3V high-density lithium battery
230 W. Coleman St. • Rice Lake, WI 54868 • USA
U.S. 800-472-6703 • Canada/Mexico 800-321-6703 • International 715-234-9171 • Europe [phone]
www.ricelake.com www.ricelake.mx www.ricelake.eu www.ricelake.co.in
Rice Lake Weighing Systems is an ISO 9001 registered company.
© Rice Lake Weighing Systems Specifications subject to change without notice.
May 24, 2016 PN 69085 Rev A