Varec® Monitors & Displays Comparison

Varec Tank Side Monitors & Displays Product Comparison

	4200	4560	4590

	Multi-Function Transmitter	Servo Display	Tank-side Monitor
Analog Inputs	One (1) 4-20 mA	-	Non-i.s. 4...20mA input and/or output* and optional i.s. analog 4...20mA
Digital Inputs	Two (2) external dry contacts & three (3) HART®	One (1) HART®	Six (6) HART®-loop powered
Digital I/O	-	-	Two (2) discrete points
Temp. Inputs	One (1) HART®	-	One (1) Spot RTD (I.S.)
Comms. Outputs	EIA-485 MODBUS Varec Mark/Space	-	EIA-485 MODBUS L&J Tankway Varec Mark/Space Whessmatic WM550 Output power 24 V DC / 100 mA for analog sensors and discrete digital I/O
Master / Slave	Master & Slave	Slave	Master & Slave
Calculations	HTG, Hybrid and Std. Tank Calcs.	-	HTG, Hybrid and Std. Tank Calcs.
Display	All Input & Output	6000 STG Display	6000 STG & 7200/7500 RTG displays with Radar Envelope Curve
Intrinsically Safe	Yes	-	Yes
Explosion Proof	Yes	Yes	Yes

*Depending on selected fieldbus communications interface