External Interface

  • 14 independent inputs and 14 independent ouptuts
  • Optional internal power supply provides controlled power for other modules included in the custom test system
  • Run/Standby master for the entire test stand
  • Available as an HSI-Controller to control HSI power outputs specified by the customer
  • Front panel key-switch with three positions in standard models and four positions in HSI-Control models allow the state of the test stand to be changed easily
  • Front panel mushroom button to put the test system in emergency stop if needed
  • Ethernet Interface for simple configuration and expansion!
  • System-wide control of all Fideris® Test System Components using FCPower Software, Labview, or other program
  • Integrated hardwired Run/Standby signal
  • Power Over Ethernet (PoE) for redundant power
  • Front panel LED status of Ethernet communications, enable, and power


Specifications of the External Interface Module
14 independent inputs
14 independent output
Up to seven control air outputs
90 PSI (6.205 bar)
Options include AC, 48VDC, and low voltage hardware-programmable power
Electrical Requirements
85-240 VAC at 50/60 Hz
13 Amps (UL) 10 Amps (CE)
Ethernet (DHCP)
Front Panel Controls and Displays
LCD with backlight shows which inputs there are and which outputs are enabled
Tx, Rx, Ident LEDs
Push to put the system in E-Stop, twist to restore power
Off, Standby, and Run for standard models; Off, Standby, Run, and Start for HSI-Control models
Enabled LED
Back Panel Connections
AMP MTA-156 or TE 2-647126-4
RJ45 (8P8C) Ethernet
1/8" OD or 1/4" OD instant tube fittings
IEC-320 (mating cord provided)
IEC-320 outputs operating at the same line voltage as the input
Physical Characteristics
1U Modules: 1.75", 2U Modules: 3.5"
19" rackmount; 21" deep
Dependent on configuration,approximately 18 lbs
40F to 100F; 85% RH
Front: 4", Back: 6", Sides: 0", Top: 0"
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The External Interface Module makes a great addition to any Fideris® fuel cell test system.  The module's digital input signals, like those from a gas or fire alarm, and digital output signals, like those for an external valve, can be conveniently monitored or controlled through software.