Universal-Relay Type TR800Web

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Web-IO Universal-Relay until March 2026

Part number

T224164

AC/DC 24-240 V

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ATTENTION:

This product is no longer available. Alternative device is: UR840IP type T224353

View the numerous improvements and new functions of our Universal-Relay type UR840IP, including:

A revised web interface for more user-friendly operation
Virtual sensors for linking measured values (difference, MIN/MAX)
Two analogue outputs 0/2-10 V / 0/4-20 mA, parameterizable (optionally instead of RS485
Expandable with our URB40
Modbus TCP via RJ45 (network connection)

Discover the difference between our TR800Web and our UR840IP!

Feature	TR800Web	UR840IP
Inputs	8 analog inputs	8 analog inputs, 4 digital inputs
Sensors	Pt100, Pt1000, KTY83/84, thermocouples (type B, E, J, K, L, N, R, S, T), DC 0-10 V, DC 0/4-20 mA, resistance 0-500 ohms, 0-30 kOhms	Pt100, Pt1000, PTC, thermocouples (type B, E, J, K, L, N, R, S, T), DC 0/2-10 V, DC 0/4-20 mA, resistance 0-500 ohms, 0-30 kOhms
Alarms	4 relays, programmable, e-mail notification for alarms	4 relays, programmable, alarm triggering from 2 of x sensors possible
Interfaces	Ethernet (HTTP, HTTPS, UDP, Modbus), RS485 (Modbus RTU, ZIEHL protocol)	Ethernet (HTTP, Modbus TCP), RS485 (Modbus RTU), 2 × analog outputs (1x voltage, 1x current) – RS485 or analog selectable in the menu
Web interface	Operation and programming via web browser	Operation and programming via web browser
Data logging	Up to 150,000 values per input, interval 2 seconds to 24 hours	Per input, interval 10 seconds to 30 minutes
Power supply	AC/DC 24-240 V, 0/50/60 Hz, 4-13 VA	AC/DC 24-270 V, 0/50/60 Hz, 4-11 VA
Special functions	Day/night switching for limit values, e-mail notification	Joystick and LCD display for operation