INFICON Composer Gas Concentration Controller - Manual (Page 25)

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Composer Operating Manual
1.7 Electrical Power Requirements
The following sections detail the electrical power requirements for the
Composer as minimally required by, or supplied by the optional Power Module.
WARNING
Failure to comply with the electrical power
requirements stated below may result in the unit
malfunctioning or being damaged, and could result in
personal bodily injury.
1.7.1 Rated Output to Composer
Voltage . . . . . . . . . . . . . . . . . . . . . 24 V(dc) ±5%, isolated from ground
Ripple and Noise . . . . . . . . . . . . . 1 V peak to peak max.
Overvoltage Transient Protection . 36 V
Current . . . . . . . . . . . . . . . . . . . . . 2 A min. continuous at 50 °C ambient
Turn on Surge . . . . . . . . . . . . . . . . 35 A
Operational Peak Loads . . . . . . . . 2.5 A for 10 seconds max.
Short Circuit Protection . . . . . . . . . Required, VFB, VIFB, PWM allowed
Short Circuit Time . . . . . . . . . . . . . Indefinite
Ambient Operating Temperature . . 0 to 50 °C
Humidity . . . . . . . . . . . . . . . . . . . . 0 to 95% non condensing
24 V Connector Interface . . . . . . . Custom Shielded Cable Assembly
Connector . . . . . . . . . . . . . . . . 9 Pin D-Sub-Miniature Female
Length . . . . . . . . . . . . . . . . . . . 5 ft. ± 1ft. (1.5 m ± 0.3 m)
Wiring Size . . . . . . . . . . . . . . . #20 AWG
+24 V . . . . . . . . . . . . . . . . . Pins 6, 7, 8
+24 V ret . . . . . . . . . . . . . . Pins 1, 2, 3
Shield Drain . . . . . . . . . . . . Pin 9
Shell . . . . . . . . . . . . . . . . . Isolated