SATEC RDM172 Manual - Manual (Page 7)

Chapter 1 General Information
Series PM172 Powermeters 7
tariff changes per day, easy programmable tariff
schedule
• Automatic daily profile for energy and maximum
demand readings (total and tariff registers)
• Embedded programmable controller; 16 control
setpoints; programmable thresholds and delays; relay
output control; 1-cycle response time
• Event recorder for logging internal diagnostics
events, control events and I/O operations (PM172E,
PM172EH)
• Eight data recorders; programmable data logs on a
periodic basis and on any internal and external
trigger (PM172E, PM172EH)
• Two waveform recorders; simultaneous 6-channel
AC recording in a single plot; sampling rate of 32 and
128 samples per cycle; 20 pre-fault cycles; up to 30
seconds of continuous recording at a rate of 32
samples per cycle (PM172EH)
• Real-time waveform capture and monitoring;
simultaneous 6-channel 4-cycle capture at 128
samples per cycle (PM172EH)
• Easy to read 3-row (2x4 characters + 1x6 characters)
bright LED display, adjustable update time, auto-
scroll option with adjustable page exposition time,
auto-return to a default page
• LED bar graph showing percent load with respect to
user-definable nominal load current
• Detachable display module with a 3-wire RS-485
interface; up to 1000 meters operation
• 2 digital inputs for monitoring external contacts, and
receiving pulses from energy, water and gas meters
• 2 relay outputs for alarms and controls, and for output
energy pulses
• 2 optional optically isolated analog outputs with an
internal power supply; options for 0-20mA, 4-20mA,
0-1mA, and
± 1mA output
• 2 optional optically isolated analog inputs with an
internal power supply; options for 0-20mA, 4-20mA,
0-1mA, and
± 1mA input
• Optional analog expander providing additional 2 x 8
analog outputs; options for 0-20mA, 4-20mA, 0-1mA,
and
± 1mA
• 25/50/60/400 Hz operation
• Precise internal clock with battery backup
• 1 Mbyte RAM with battery backup for long-term data
and waveform recording
• Two communication ports; communications options
available:
COM1:
RS-232/RS-422/RS-485
56K Dial-up modem
Ethernet 10/100BaseT, eXpertPower
™ enabled
Profibus DP