Gemco Series 1995L overview
Gemco Series 1995L Micro-Set Programmable Limit Switches The 1995L Micro-Set is a fully self-contained, microcomputer-based Programmable Limit Switch (PLS) with...
Product details
Manufactured byGemco
Product groupProgrammable Limit Switches
DescriptionGemco Series 1995L Micro-Set Programmable Limit Switches
OverviewThe 1995L Micro-Set is a fully self-contained, microcomputer-based Programmable Limit Switch (PLS) with a convenient keypad for programming each independent output circuit to open or close at the desired settings. This system allows precise position control of linear motion.A 1995L consists of an LTD (Linear Displacement Transducer) , LDT to programmer cable assembly, and the programmer, which provides six limit switch outputs and one fault check output. The optional output expansion modules will add six additional limit switch outputs per module, and up to four expansion modules can be driven by the programmer, for a total of thirty limit switch outputs.The position input into this PLS is a 0 to 10 VDC analog signal usually provided by a Gemco LDT. The 0 to 10 volts is generated by the LDT over its active stroke. The PLS will read out position directly in inches if the scale factor entered is the active stroke of the LDT (in inches).The LDT generates a 0 to 10 Volt D.C. analog signal representing an absolute Linear position. This Analog signal is converted to a digital signal at the Micro-Set. A microprocessor calculates and/or converts these signals based on user-programmed data.As the LDT passes through the preprogrammed dwell settings, the programmer outputs can energize solenoids, relays, or solid-state circuitry to control external circuits.The 1995L PLS was designed for use in linear applications. It incorporates many features for safe, efficient operation.The completely self-contained unit can operate up to 30 independent outputs (six standard) based on the linear position of the LDT.It offers an on line fault check which provides an automatic, in-process mechanism to verify that all major programmable limit switch functions are operating properly. The fault check output can be energized by activating the fault check enable input. The output is a mechanical relay with 1 N.O. and 1 N.C. contact, which remains energized during normal operation.A programmable motion detect output will energize a relay when the LDT speed meets or exceeds the customer-preprogrammed value.
Key FeaturesEconomical, Compact Six-Circuit Design (expandable to 30) 0-10 VDC or 4-20 mA Input, ± 15 VDC or 24 VDC Output for Use With Gemco Series 940, 950A or 951 Linear Displacement Transducers 12-Bit Resolution Fault-Check Self Diagnostics Monitor Microprocessor Program Security Input Prevents Unauthorized Program Changes Programmable Offset and Scale Factor Mechanical and Solid-State Relay Outputs Programmable Motion Detect Nonvolatile Memory-No Memory Loss from Power Failure Multiple Program Storage for Fast Job Setup Keypad Programming With Display and Active Output LEDs Input Power 115VAC or 230VAC, 50/60 Hz NEMA 4 or 12 Enclosure Option
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