Emerson 00825-0100-4530 Rev EC manual RS-485with Modbus communication, continued

Quick Installation Guide March 2013

Step 3 continued...

Type n approvals : non-sparking / energy limited power supply

Rosemount 5300 Series

Transmitter

		Power
		Supply
	Fieldbus
Field Communicator	Modem	PC

RS-485 with Modbus communication

The 5300 Series RS-485 with Modbus communication transmitter version operates using a power supply ranging from 8 - 30 Vdc (max. rating). See the Rosemount 5300/5400 Series with HART to Modbus Converter Manual supplement (Document No. 00809-0500-4530) for details.

Power Consumption:

<0.5 W (with HART address = 1)

<1.2 W (incl. four HART slaves)

HART - HART +

120 Ω

nverter

		MB
HARTtoModbusConverter		MODBUS MA	-
		(RS-485)
	MB
MODBUS MA		-
(RS-485)
-	POWER	+
HART	Ambients>60ºC
	Use wiring ated
+	formin90ºC

A

If it is the last transmitter on the bus, connect the 120Ω termination resistor.

Power

Supply

120Ω RS-485 Bus

B

120Ω

NOTE:

Rosemount 5300 Series Transmitters with Flameproof/Explosion-proof output have a built-in barrier; no external barrier needed.

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