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IAI Injection Controller

The IAI Additive Injection Controller is a universally powered (85-265VAC) or 10-40VDC powered injection controller for liquids incorporating a Mono graphics LCD display of 128 x 64 pixels, an advanced processor, selectable open collector or turbine input for main flow, six relay outputs and 1 x analogue input for temperature compensation. The controller combines with an additive injection manifold to provide a compact additive injection system. The system is configured by push buttons on a four buttons Infra-Red remote control or RS485 communication from a host.

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  • Simple touch switch set-up with English statement prompts by approved IR
  • Low cost – High performance
  • Programmable dual channel quadrature input or single pulse train with DIP switch selection for turbine, reed & open collector
  • Background total for main flow and additive flow
  • Dual 4-20mA output with Proportional and Integral algorithm control from the main and additive flow signal for modulating valve control for continuous dispensing of additive
  • Main flow and additive flow rate display
  • Sensor supply that can be adjusted from 8 to 20VDC
  • Micro SD card of 8GB for storage of batching data
  • 85 to 265VAC 47-63 Hz universal supply or factory fitted 10 to 40VDC isolated supply
  • 4 of voltage free inputs 24VDC tolerant 1 dedicated squirt input, 1 of dedicated alarm reset4 of voltage free inputs 24VDC tolerant 1 dedicated squirt input, 1 of dedicated alarm reset
  • 2 of PD / turbine input for main flow
  • 6 of single train input for additive flow
  • 1 of low flow alarm, 1 of pulse output as 1 PPL; 10 PPL, 100 PPL or 1000PPL
  • 6 of relay outputs 240VAC tolerant SSR@ 2Ampere OR
  • 6 of mechanical relay with changeover contacts rated @ 2 Amperes resistive
  • 1 of 4-20mA output that can drive 500 Ohms with PI algorithm control with a 50:1 turn down ratio
  • 1 of temperature input
  • Communications: 2 wire RS485
  • 6-off Pacing Signal Inputs (DC)
  • 6-off Permissive Inputs (AC)
  • 6-off Injector Feed-Back signals (DC)
  • 6-off Injector SOV Outputs (AC)
  • 6-off Pump Start Signals AC

The controller can operate in:
Pace Mode
Injection rate on the main flow throughput and a user programmed algorithm
Permissive Pace Mode
Injection rate on the main flow throughput, a user programmed algorithm and enabled by a permissive input
Slave Mode
Inject additive enabled by the squirt button or remotely wired to the permissive input
Control Mode
Start injection from first received main flow pulse and IAI algorithm, and stop at programmed batch size
Remote mode
Algorithm and start signal from communication link