LNK-AO Analog Output Peripheral Device

Category : Remotes & Peripherals

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Description
Specification

The LNK-AO Analog Output peripheral device adds four channels of 4 - 20 mA analog output to a Modbus® RS-485 network configured with a QCC Quad Channel Controller or an FCS Flexible Control System Controller. The LNK-AO is designed to send a 4 - 20 mA signal to up to four devices such as a data / trend / logging system, a BAS or DDC or up to four VFDs. The four 4-20 mA output signals are current sourced and can be independently scaled using the menu system on the controller. Each output can be assigned to an individual sensor or to a group of sensors through zoning configured within the controller. Communication with the controller is monitored and if interrupted a pre-configured default current will be output in each channel.

Key Features

Four 4-20 mA output channels
Power LED indicator
Modbus® RS-485 RTU communication
Scaling and zoning capabilities supported by the ontroller
Configurable default settings for any interruption in communication
Standard water / dust tight, corrosion resistant enclosure

Specifications

Mechanical

Enclosure

ABS / Polycarbonate, corrosion resistant

Copper coated interior to reduce RF interference

Weight

400 g / 14 oz

Size

127 x 127 x 71 mm / 5.0 x 5.0 x 2.8 inches

User Interface

Indicator

LED green indicator for power

Input/Output

Output

Four 4-20 m A (2 - 10 volts is obtainable using a 500 Ohm resistor)

Communication

Modbus® RS-485 RTU

Electrical

Power Requirement

24 VDC, 3W, Class 2 (24 VDC supplied by the Controller)

Wiring

4-conductor shielded minimum 18 AWG stranded within conduit

Fuses

Thermal, resetting

Environmental

Operating Temperature

-20°C to 40°C (-4°F to 104°F)

Operating Humidity

15 - 90% RH non-condensing

Certifications

Conforms to:

CSA-C22.2 No. 205-12, UL508 (Edition 17):2007

EMC Directive 2004/108/EC, EN 50270:2006, Type 1, EN61010

FCC. 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.

RoHS compliant circuit boards