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ML0044B December 1, 2017 Copyright 2017 Bitronics, LLC
1.0 DESCRIPTION & SPECIFICATIONS
1.1 Introduction
The PowerPlex II (PPX II) is a synchronizing Ethernet transducer with two sets of
three-phase voltages and 1-cycle measurement update speeds. It offers superior
communications flexibility and easy setup.
The following Model number of the product named PowerPlex II (PPX II) is covered in
this manual:
MTWDN7C – Synchronizing Ethernet Transducer DC (option ‘D’ in 8
th
character of
model number) and Universal powered (option ‘P’ in 8
th
character of model number)
versions.
1.2 Features
1. Full basic measurement set with special synchronizing measurements
2. 0.2% revenue class accuracy
3. Updates every cycle
4. Two sets of three-phase voltage inputs, 0-600 Vac phase-phase
5. Ethernet Switch: Two RJ-45 10/100Mb Ethernet Ports
6. Ethernet protocol support for DNP3 TCP or Modbus TCP
7. Web Based configuration via standard Ethernet service port
8. 24V dc (MTWDN7CD*) or Universal 48-250V dc/69-240V ac power supply
(MTWDN7CP*)
9. Rugged aluminum case
10. One model covers all wiring options
11. Optional display and IRIG-B port
12. Optional RS-232/RS-485 (programmable) serial port with DNP3 or Modbus
protocol
13. Optional 4 digital inputs/4 digital outputs or 8 digital inputs
14. Optional trend recording
1.3 Specifications
DC PWR (Low Voltage Vdc) - Power Supply Input (Auxiliary Voltage) – terminals (+)
and (-) (Intended for connection to 12V or 24V battery voltages)
Nominal: 12-40V dc
Operating Range: 8-40V dc
Burden: 5W max
Overcurrent protection (Required) : Refer to section 2.4
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