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MODELS 205/210/215, 220 AND 225
Mounting the 2XX-DAC Board
NOTE! Should your indicator come with the 2XX-DAC board already installed, the following
section describing mounting it does not apply. Proceed to the Cable Installation section.
ATTENTION!
SENSITIVE DEVICES.
1. Make sure the power to the indicator is OFF.
Unplug the AC power cord.
2. Loosen the gland connectors where the AC power
cord and any other cables enter the indicator.
3. On the 205/210/215, remove the three acorn nuts
securing the Battery Access Cover to the bottom
of the indicator. On the 205/210, if using the
optional battery, remove it. On the 215, even if
not using batteries, remove the battery tray.
4. After removing the battery or battery tray, remove
the acorn nuts (12 on 205/210/215, 14 on 220 &
225) securing the back panel to main housing.
5. Lift the back panel from the main housing, taking
care not to stretch the cable and wires between
the panel and main housing. Lay the back panel
on the workbench next to the indicator.
6. Locate the threaded stand-off and the OPTION
BOARD connector on the indicator main board.
205/210/215 – The threaded stand-off is below
P7 and the OPTION BOARD connector is P4.
220 – The threaded stand-off is near P3 and the
OPTION BOARD connector is P4.
225 – The threaded stand-off is near P7 and the
OPTION BOARD connector is P11.
7. To install the 2XX-DAC board, carefully align the
connector P1 (pins on trace side of 2XX-DAC
board) with connector P4 on the 205/210/215 and
220 main board or P11 on the 225 main board
and then apply even downward pressure to the
end of the 2XX-DAC board with P1.
8. Align the hole in the 2XX-DAC board with the
threaded stand-off on the indicator main board
and using the lock washer and screw supplied
with the 2XX-DAC board, secure the 2XX-DAC to
the indicator main board.
9. To attach the ground wire, remove a 6-32 nut and washer from the corner of the indicator
main board.
10. Connect the ground wire from the 2XX-DAC board by placing the ring terminal over the
6-32 threaded stud.
11. Reinstall the washer and 6-32 nut and tighten.
2
INSTALLATION
OBSERVE PRECAUTIONS FOR HANDLING ELECTROSTATIC
8200-M350-O1 Rev B • 2XX-DAC
GND
P2 Terminal
Block
20mA
4mA
P1 (Pins on trace
side of board)
Figure No. 1
10V
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