The LNL-1200 Board

The LNL-1200 processor provides a solution to the host system integrator for output control. The controller has 16 form-C contact relays for load switching. Additionally, two (2) digital inputs are provided for tamper and power fault status monitoring. The processor requires 12 to 24 VDC for power.

Communication Wiring

The LNL-1200 communicates to a controller via a 2-wire RS-485 interface. The interface allows multi-drop communication on a single bus of up to 4000 feet (1219 m). Use twisted pair (minimum 24 AWG) with shield for the communication line. See Specifications section.

Install RS-485 termination jumper, J1, on the interface boards at each end of the communication line only.

Inputs for Cabinet Tamper/Power Fault

Input CT and input BA are used for monitoring cabinet tamper and power failure with normally closed contacts. These two (2) inputs are for contact closure monitoring only, and do not use EOL resistor(s). If these inputs are not used, install a short piece of wire at the input to indicate a safe condition.

Output Relay Wiring

16 Form-C contact relays are provided for controlling door strikes or other devices. Load switching can cause abnormal contact wear and premature contact failure. Switching of inductive loads (strike) also causes EMI (electromagnetic interference) which may interfere with normal operation of other equipment. To minimize premature contact failure and to increase system reliability, a contact protection circuit must be used. The following two (2) circuits are recommended. Locate the protection circuit as close to the load as possible (within 12 inches [30 cm]), as the effectiveness of the circuit will decrease if it is located farther away.

Use sufficiently large gauge of wires for the load current to avoid voltage loss.

DIP Switch and Jumper Usage

Switches 1 to 5 select the device address. Switches 6 and 7 select the communication baud rate. Switch 8 enables encrypted communication. All other configuration settings are set via the host software.

Device Address

Communication Baud Rate

Bus Encryption

Jumpers

All other jumpers are factory use, only.

Status LEDs

Power-up: All LEDs OFF.

Initialization: Once power is applied, initialization of the module begins.

When initialization is completed, LEDs A, B, CT, and BA are briefly sequenced ON then OFF.

Run time: After the above sequence, the LEDs have the following meanings:

A LED: Heartbeat and On-Line Status:

• Off-line: 1 second rate, 20% ON
• On-line:
  • Non-encrypted communication: 1 second rate, 80% ON
  • Encrypted communication: 0.1 sec ON, 0.1 sec OFF, 0.1 sec ON, 0.1 sec OFF, 0.1 sec ON, 0.1 sec OFF, 0.1 sec ON, 0.3 sec OFF

A LED: Error Indication:
Waiting for application firmware to be downloaded: 0.1 sec ON, 0.1 sec OFF.

B LED: Serial I/O Communication Port Status:
Indicates communication activity on the serial I/O communication port:

CT: Cabinet Tamper

BA: Power Fault

LED 1 through 16: Illuminate when output relay OUT 1 (K1), OUT 2 (K2) is energized and so on.

Specifications

The LNL-1200 is for use in low voltage, class 2 circuit, only. These specifications are subject to change without notice.

Primary power: 12 to 24 VDC + 10%, 1100 mA maximum

Relay contacts: 16 Form-C:

• Normally Open (NO) contact: 5 A @ 30 VDC resistive
• Normally Closed (NC) contact: 3 A @ 30 VDC resistive

Inputs: 2 unsupervised, dedicated for cabinet tamper and UPS fault monitoring

Communication: RS-485, 2-wire: 9600, 19200, 38400, or 115200 bps

Cable requirements:

• Power: 1 twisted pair, 18 AWG
• RS-485: 24 AWG, 120 ohm impedance, twisted pair with drain wire and shield, 4000 feet (1219 m) maximum
• Inputs: 1 twisted pair, 30 ohms maximum
• Outputs: as required for the load

Mechanical:

• Dimension: 6 x 8 x 1 in. (152 x 203 x 25.4 mm)
• Weight: 14 oz. (400 g) nominal

Environmental:

• Temperature: -55 to 85° C storage, 0 to +70° C operating
• Humidity: 5 to 95% RHNC

These specifications are subject to change without notice.

Regulatory Information

FCC Compliance

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

Liability

It is expressly understood and agreed that the interface should only be used to control exits from areas where an alternative method for exit is available. This product is not intended for, nor is rated for operation in life-critical control applications. LenelS2 is not liable under any circumstances for loss or damage caused by or partially caused by the misapplication or malfunction of the product. LenelS2’s liability does not extend beyond the purchase price of the product.

Certifications

For certification information, refer to the hardware documentation for the host application.

Product Warnings and Disclaimers

THESE PRODUCTS ARE INTENDED FOR SALE TO, AND INSTALLATION BY, AN EXPERIENCED SECURITY PROFESSIONAL. LENELS2 CANNOT PROVIDE ANY ASSURANCE THAT ANY PERSON OR ENTITY BUYING ITS PRODUCTS, INCLUDING ANY “AUTHORIZED DEALER”, IS PROPERLY TRAINED OR EXPERIENCED TO CORRECTLY INSTALL SECURITY RELATED PRODUCTS. FOR MORE INFORMATION ON PRODUCT WARNINGS AND DISCLAIMERS, SEE THE "LENELS2 PRODUCT WARNINGS AND DISCLAIMERS" KNOWLEDGE BASE ARTICLE IN THE LENELS2 KNOWLEDGE BASE. THIS INFORMATION IS SUBJECT TO CHANGE WITHOUT NOTICE.