Macurco MRS-485 Modbus RS-485 Adapter
REV – 1.0
[34-2900-0019-7]
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Use Instructions and Limitations
WARNING
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.
2.1
Use For
The Macurco BRS-485 Adapter converts the Macurco 6-Series 4-20mA analog output to a digital output for use
with addressable network systems. The Macurco 6-Series is a family of fully programmable, low voltage, dual
relay gas detectors, controllers and transducers for BAS, HVAC and Fire & Security applications. The 6-Series
detectors are used to measure the concentration of various gases and provide feedback and automatic control
to help ensure a safe environment: Carbon Monoxide, Methane, Propane, Hydrogen, Nitrogen Dioxide and
other gases.
2.2
Do NOT use for
The BRS-485 is not intended for use in hazardous locations or industrial applications such as refineries, chemical
plants, etc. Do not mount the BRS-485 where the normal ambient temperature is below 0°F or exceeds 125°F (-
18°C or above 52°C). The BRS-485 mounts to a Macurco 6-Series detector installed on a 4” x 4” electrical box
electrical box supplied by the contractor.
