L41 Series Manual
100, 300, B, C, P, L & 90 Series
Product Line Review Brochure:
DIN Mechanical Accessories.htm
EnVision SCADA Software.html (FREE Software)
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L41 FM Approved Temperature Limit Control:
Future Design Controls FM Approved L41 is a 1/4 DIN control designed to provide limit protection in process applications where FM approvals are required. With up to three discreet setpoints, up to two control outputs, 18 bit input resolution, fast scan rates, optional RS485 or retransmission, 3-Year Warranty and user friendly prompts make the L41 the right choice for safety protection.
The L41 offers a full range of universal thermocouple & RTD inputs with latching output selections for mechanical Relay (Form C), SSR Drive or Triac output. Consult the L41 manual for linear mA & VDC inputs - consult factory on linear inputs and FM Approval.
With Remote Reset as standard, optional features include a second control output offering Relay (Form C), SSR Drive, Triac or DC Transmitter power supply with a 3rd optional output offering linear mA/VDC retransmission or RS485 communications. Combined or individually these features offer maximum flexibility for demanding applications. Click here for more information on retransmission & communication options.
The L41 Dual Display allows the operator at all times to view Process Variable (temperature) on the upper display with the lower display configurable to show the following: in non-alarm condition display is configurable to show SAFE or Setpoint value; when the process is in alarm condition the lower display defaults to Setpoint value.
For more information - Limit Control Features.
Additional Limit Control Features include an optional 2nd control output configurable as latching, non-latching or alarm silence mode; configurable display decimal point, F/C, input filter factor and more. Click here to learn more about these Limit Control Features.
Agency Approvals include FM, UL Listing, CSA (as a limit control), CE and RoHS compliant. (FM Approval applies to units with accepting thermocouple or RTD inputs, consult factory for linear mA or VDC.)
Enclosure offers a slim 2.08" panel depth (53mm) and as standard is IP50 with IP65 (Nema 4X) optional.
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Data Logging: Each of the 128 devices, whether a mix of L41's or other Future Design products, can have their data saved to the hard disk at user-defined rates. With up to 129 concurrent data log files, EnVision offers unparalleled data logging flexibility. Data file analysis tools (digital and trend) make looking at schedule run data a simple task