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YPP6830 Pulse Input Rate/Totalizer
Instruction Manual
22
4-20 mA Transmitter Output Connections
Output connections are made to two terminals labeled LP+ and LP-. Connect to an
input device such as a remote display or chart recorder as shown in Figure 10.
LP-
LP+
Power
Supply
4-20 mA Input
Device
Figure 10. 4-20 mA Output Connections
RS-485 Serial Connections
The meter may include an optional RS-485 two-wire serial connection. The cabling
used for an RS-485 serial communications network should always be a high quality
cable such as Belden 8162 or Alpha 6203C. A two-wire system requires two twisted
pairs, and a four-wire system requires three twisted pairs (the extra twisted pair is
needed for the signal ground).
Meter
Figure 11. RS-485 2 Wire Serial Connections
Meter
Figure 12. RS-485 4 Wire Serial Connections