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Macurco MRS-485 Modbus RS-485 Adapter
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Intended for use in non-hazardous areas such as parking garages, warehouses or other commercial
facilities
2.4
Specifications
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Power & Current (with detector): 3.25W (max) from 12 to 24 VAC or VDC, 85mA in alarm, 60mA fan relay
on and 33mA stand by @ 24 VDC
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Shipping Weight: 0.25 lb (0.11 kg)
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Size: 3 1/2 x 2 x 1 3/4 in. (8.9 X 5.1 X 4.4 cm)
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Operating Environment: 0°F to 125° F (-18°C to +52°C), 10 to 90% RH non-condensing
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Connections: plugs/terminals
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Color: Black
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Mounting screw and screwdriver included
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MRS-485 operates in the RTU Modbus Transmission Mode
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Baud Rate: 4800, 9600, 19200 (default), 38400, 57600, 115200 bps
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Parity: Odd, Even (default) and None
3
Installation Instructions
The following instructions are intended to serve as a guideline for the use of the Macurco Modbus RS-485
Adapter MRS-485. It is not to be considered all-inclusive, nor is it intended to replace the policy and procedures
for each facility. If you have any doubts about the applicability of the equipment to your situation, call Technical
Service at 1-877-367-7891.
This equipment may not function effectively below 0°F or above 125°F (-18°C or above 52°C). Using the
detector outside of this temperature range may adversely affect product performance.
REV – 1.0
WARNING
[34-2900-0019-8]
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