Signal Conditioners, Alarms, Transmitters: Frequency I/O

Frequency or Pulse Input Alarms
6 Year Warranty on API Modules LoopTracker^® Input LED Alarm Status LEDs Hot-Swappable Plug-In Design User Adjustable Setpoint(s) Push to Test/Reset Alarms Click on PDF links below for product information	Links Product brochure Options & accessories Regulatory compliance Reference Info Alarm terminology Deadband Relay protection & EMI suppression RFI/EMI	How to select your product Open pdf datasheet for your model Select model, range, units, options, accessories Contact us if you need assistance Need a quote? Contact us at , or Get a quote via "Chat with us" below, or Call 800-942-0315 and ask for Sales	Ready to order? Send your order to If you don't have open terms with us, we'll call you for your credit card info Other ways to order Click here to set up an account Click here to find your authorized dealer or if you are outside the USA Call us to find your local authorized distributor
Model	Input/Output	Features	Product
Frequency Input Alarm Trips Factory Configured API 1700 G from $349 Open Datasheet Download Datasheet	Specify input range Factory configured 0-10 Hz to 0-20 kHz 100 mV to 150 VRMS amplitude change Input must be self-powered or externally powered API 1700 G Alarm Trip One DPDT contact set, adjustable deadband Standard: HI alarm Optional: LO alarm	User adjustable setpoint 8 Amp contacts Hot-swappable plug-in design Input LoopTracker LED Alarm status LEDs Optional low alarm Output test button Uses API-011 11-pin socket 115 VAC powered A230 option for 230 VAC P option for 85-265 VAC, 60-300 VDC power (+$60) D option for 9-30 VDC power (+$60)	API 1700 G
Frequency Input Alarm Trips Factory Configured APD 1700 from $379 APD 1720 from $399 Open Datasheet Download Datasheet	Specify input range Factory configured 0-25 Hz to 0-20 kHz 100 mV to 150 V RMS Any waveform with minimum 100 mV amplitude change Use with 2 wire, 3 wire NPN or PNP sensors APD 1700 Single Alarm Trip Dual SPDT contact sets Standard: HI alarm, non-latching, normal acting See data sheet for alarm options APD 1720 Dual Alarm Trip 2 independent SPDT contact sets Standard: HI/LO alarms, non-latching, normal acting See data sheet for alarm options	Input sensitivity adjustment 15 VDC sensor power available User adjustable setpoint(s) User adjustable deadband(s) 8 Amp SPDT contacts Input LoopTracker LED Alarm status LEDs Alarm options: LO, HI/HI, LO/LO, band alarm Optional reverse acting Optional latching alarms Push to test/reset Remote push to test/reset Full I/O/power isolation Removable plugs DIN rail mount without tools Universal power 85-265 VAC, 60-300 VDC D option for 9-30 VDC, 10-32 VAC power	APD 1700, APD 1720
Zero Speed (Stall) Monitor Factory Configured STM156 call for quote Open Datasheet Download Datasheet	Specify input type Frequency input Low level sine or sawtooth (200mVpp - 20Vpp) 24VDC pulse external source (0.2 - 50VDC) NAMUR proximity sensor or contact (8V) 3-wire NPN proximity sensor 15V auxiliary 3-wire PNP proximity sensor 15V auxiliary 3-wire NPN proximity sensor 24V auxiliary 3-wire PNP proximity sensor 24V auxiliary 2-wire 24VDC/AC proximity sensor 24V auxiliary Specify output type and options Adjustable trip point and delays One or two relays Trip speed delay time range Start up delay time range External control options	Relay contact output Front adjustments for trip speed and start-up delay Status LED Full I/O/power isolation Universal power options: 8 VDC to 280 VAC Typical applications include Under speed alarm Broken conveyor belt alarm Machinery jam alarm Stalled motor alarm	STM156