IT401

4-20 mA alarm module iT401 SPECIFICATIONS INPUT Front panel push buttons: Mode/reset Increase/decrease Reset input, terminal connection Input signal: 4-20 mA input Loop load controls mode for programming or reset of latched relays Changes programming parameters contact closure for reset of latched relays uses signal from any 4-20 mA source 247.5 Ω, ± 5% OUTPUT Alarm relay contacts, 1 form-C (3) alarm relays Alarm relay function latching or non-latching Relay contact load: 70°C (resistive) 85°C (resistive) Inductive 8 Amp, 250 VAC/30 VDC 5 Amp, 250 VAC/30 VDC 1/3 HP, 125 VAC Alarm trip (each alarm) high or low setpoint1 Alarm action delay (each alarm) 0 to 99 seconds Alarm setpoint (each alarm): Vibration signal Bias voltage 0 to 99% of full scale, in 1% increments 0 to 18 V in 1V steps2 Redundant 4-20 mA output 2 mA to 22 mA2 Key features • Front panel tactile membranes give access to all settings • Front panel 7-segment LED displays • Digital processing • External alarm contacts for signal or BOV faults • Works with any 4-20 mA device • Easily programmable relay activation • Relays have >2,000 VAC isolation • Manufactured in ISO 9001 facility PHYSICAL Mounting 35 mm DIN “T” rail Width 22.5 mm Depth, front of panel to back of DIN rail 127 mm Height 100 mm Front panel switches tactile membrane Front panel digital display dual 7-segment yellow LED, 0.3” Front panel alarm LED display1 high (red), low (yellow), BOV (orange) Front panel connectors 4-position removable screw terminal plugs ENVIRONMENTAL Operating temperature –40° to +85°C Humidity, maximum 95% RH, non-condensing Altitude, above sea level, maximum 3,000 meters (10,000 ft.) Power requirements: Voltage Current, maximum 24 VDC, nominal2 150 mA3 Notes: 1 The three front panel alarm status LED displays are tri-color: red, yellow and orange; are illuminated when that alarm is “On” with color indicating whether it was set as a high, low or BOV alarm. 2 Power for the iT401 is supplied via TBUS connector inside DIN-mount from external power supply (using iT032 and iT033/034/035 connectors). 3 Current draw is determined at 24 Volts DC power. Accessories supplied: (1) iT032 TBUS connector for iT401 module; (4) iT042 4-position wire connectors Note: Due to continuous process improvement, specifications are subject to change without notice. This document is cleared for public release. Wilcoxon Sensing Technologies An Amphenol Company 98897 Rev.C.2 1/19 8435 Progress Drive Frederick, MD 21701 USA Tel: +1 (301) 330-8811 Fax: +1 (301) 330-8873 info@wilcoxon.com buy.wilcoxon.com www.wilcoxon.com