E-Mon E34-6003200R*KIT - Manual (Page 6)

CLASS 3400 METER
62-0391-01 6
2.1 Main Power Board (continued)
There are also two headers present for adding option cards. Header J3 is 20 positions
for use with an I/O board with up to two relays, two pulse inputs and two pulse out puts.
2.2 Display Board
The display board connects to the main power board via a flex ribbon cable and the
board mounts on the inside of the housing door.
No additional connections to the display board are required. The display board’s LCD
readout indicates the metered values as well as errors associated with the Class 3400
meters, such as phase loss or sensor error conditions.
Fig. 3. Display Board.
M33320
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UP SELECT
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