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Discrete Inputs
• 8 programmable optically isolated digital inputs free programmable for sensing
external contacts' status and pulses.
Applications:
-
monitoring external dry contacts
-
sensing an external synchronization pulse for demand interval
measurements
-
counting external pulses
-
connecting with external energy-counting meters
-
triggering setpoints from external alarm/event sources
-
selecting output values for internal multiplexed analog output
Analog Outputs
• one internal multiplexed scalable free-programmable optically isolated current
output - 0-20/4-20 mA (upon order). Provides time-sharing output for up to 16
analog parameters that can be controlled externally by a combination of binary
signals on the instrument's discrete inputs (from 1 to 4 inputs can be operated)
• extension for up to 14 analog outputs is available using external analog
expanders (up to 2 units per instrument)
Discrete Outputs
• 4 digital free-programmable relay outputs (dry contact)
Applications:
-
alarm activations
-
load control
-
energy pulsing
-
time reference pulses for synchronization demand and tariff calculations
Timers
• 4 programmable a 1 sec resolution timers for repeated setpoint operations and
data recording
Counters
• 8 programmable large-scale counters with scalable input for counting input
pulses and various internal events
User Programmable Events
• 8 programmable flags for asserting user-definable events, allowing manual
control and expansion of setpoint operations
2
Introduction
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