Satec Expertmeter EM720 Operation Manual page 11

Chapter 1 Introduction
EM720 Models
EM720 Power Quality and Revenue Meter
Communications
• Front Infrared IEC 62056-21 serial communication
port (IEC 62056-21, Modbus RTU/ASCII and DNP3
protocols)
• Plug-in serial RS232/RS485 communication port
(Modbus RTU/ASCII and DNP3 protocols)
• Plug-in full speed USB 1.1 port (Modbus RTU
protocol)
• Plug-in Ethernet port (Modbus/TCP and DNP3/TCP
protocols, IEC 61850 – future releases), up to 5
simultaneous connections
• Plug-in wireless GSM/GPRS modem (Modbus/TCP
and DNP3/TCP protocols)
Expansion I/O and Communication slots
• 3 expansion slots for plug-in I/O and
communication modules
Backup Power Supplies
• Heavy-duty lithium backup battery
• High-capacity rechargeable NiMH battery
• Auxiliary 24VDC backup power supply module
Upgradeable Firmware
• New features can be easily added to your meter by
simply replacing firmware through any
communication port.
Software Support
• PAS – free meter configuration and data acquisition
tool
• eXpertPower
services
The EM720 meter series includes two models:
• EM720 – basic model - offers all the EM720 billing,
instrumentation, control, power quality and fault
recording capabilities
• EM720T – fast transient model - adds to above a
fast transient recorder with a capability of detecting
transient overvoltages with peaks up to 2kV and
durations of less than 20 microseconds
See the EM720
specifications and ordering options.
TM
– SATEC proprietary Internet
Installation Manual for technical
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