Brochure

Manufactured by Aerionics, Inc. Sioux Falls, SD - Phone: [phone] - Email: [e-mail] - www.macurco.com
DVP-120M Addressable Detection and Ventilation Panel
The DVP-120M is a Modbus-Enabled Detection and Ventilation Panel with up to
87 Modbus addressable sensors on three channels of 29 sensors per channel,
plus the original 12 analog 4-20mA sensor channels. The DVP-120M increases the
capacity of the DVP-120 from 12 detectors to 99. System wiring includes 4-20mA
current loop and RS-485 serial interface.
• Same features as the DVP-120
• Coverage Area: Up to 495,000 sq. ft.
• 12 analog (4-20mA) input channels.
• 87 addressable sensors on three channels of 29 sensors per channel
• External power supply is required for addressable sensors
MRS-485 Modbus RS-485 Adapter
The Macurco MRS-485 adapter is an accessory used to convert the 4-20mA analog signal from
Macurco 6-Series type detectors to a digital signal for use with multipoint addressable systems.
The Macurco MRS-485 simply plugs into the back of the detector and a single screw fastens it
in place. The MRS-485 accepts the 4-20mA output and is powered from the same connection
as the detector. The MRS-485 has the ability to interface with the Macurco DVP-120M Modbus
Enabled Detection and Ventilation Control Panel as well as Building Automation Systems or
other control devices that accept Modbus communications.
GAS DETECTION
Installation & Connection
System wiring includes main power connection for the DVP-120M, 4-20mA current loop, RS-485 serial interface and
24VDC power connections between the remote detectors and the DVP-120M and the fan control and alarm connections
from the DVP-120M to the building ventilation and automation systems. The DVP-120M control panel has three relays
which can be used for ventilation fan control or alarm signaling. The ventilation control function operates independently
from the alarm function. It provides the ability to configure the DVP-120M for control of one to three zones. Each zone
can respond to gas levels at one or more of the sensors, with configurable rising and falling concentrations for each
gas type. Each zone can also be controlled based on the time of day.
The Macurco MRS-485
simply plugs into the back
of the detector and a single
screw fastens it in place.