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Macurco
Macurco RD-24 Manual
1 General Safety Information
1.1 List of warnings
Each person using this equipment must read and understand the information in this user manual
before use. Use of this equipment by untrained or unqualified persons or use that is not in accordance
with this user manual, may adversely affect product performance.
RD-24 may not function effectively below 32°F (0°C) or above 125°F (52°C). Using the equipment
outside of this temperature range may adversely affect product.
Immediately exit any environment that causes an alarm condition on the sensor.
Do not disassemble unit or attempt to repair or modify any component of this instrument. This
instrument contains no user serviceable parts, and substitution of components may adversely affect
product performance and void product warranty.
2 Use Instructions and Limitations
2.1 RD-24 General Description
The RD-24 is a remote input/output device that allows flexibility for applications needing more relays, analog outputs, or analog
inputs. Using Modbus communication, you can control multiple I/O based on the application. The RD-24 requires 24VDC to
operate and can be used to engage or disengage other equipment such as: fans, louvers, horns, strobes, gas valves, etc. The
remote device can be wired in daisy-chain on the gas detector loop to save wire and allows for great flexibility for mounting
location.
2.2 Features
•
Modbus addressable remote device: relays, analog output, analog input
•
Compatible with the Macurco DVP-1200 control panel
•
Wall mount NEMA 4X enclosure
•
4 expansion slots for expansion boards: up to 8 relays, 8 analog outputs, or 16 analog inputs, or combination of the
three
•
24VDC Input
•
Status Indicators (LED): Power, communication, Slot 1-4
2.3 Specifications
•
Size: 10.26" x 11.06" x 3.16" (26.06 x 28.09 x 8.03 cm)
•
Weight: 2.8 lbs. (1.3 kg)
•
Voltage/Current: Power Input: 24VDC, 2A Overcurrent Projection
•
RD-24 Current Draw without expansion boards: 20mA
•
Operating Temperature: 32 to 125°F (0 - 52°C)
•
Ambient Humidity: 0% - 95% RH non-condensing
•
Mounting: Mounting holes in each corner
•
Expansion Slots: 4
•
Expansion Relay Board: 2 SDPT, 250VAC, 10A Max (resistive)
•
Expansion Analog Input Board: 4 Analog Inputs
•
Expansion Analog Output Board: 2 Analog Outputs
REV – 1.0.0
WARNING
[34-8708-4770-1]
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P a g e
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