COMET H4431 Temperature Transmitter w/ RS232 Output

Temperature Transmitter w/RS232 Output
Temperature transmitter and thermostat is designed for two-state control of e.g. heating, ventilation, humidifier, dehumidifier, etc. Transmitter is equipped with two relay outputs for alarm indication or control of external devices. For each relay setting of delay, hysteresis, an audible alarm is enabled.
Measured values are converted to galvanically isolated RS485 serial output. Degrees Celsius and Fahrenheit are user selectable. Parameters are easily adjustable from regulator keyboard or from the computer. Large dual line LCD display is an advantage.

Transmitter is also equipped with three binary inputs for detection of two-state events - e.g. water, smoke, glass break detection, door contact.
Serial output RS485 is galvanically isolated from other circuitry to prevent collisions on the RS485 bus. The transmitter works with ModBus RTU communication protocol or with Advantech ADAM compatible protocol. Protocol is user selectable in special configuration mode by means of the PC. Serial link enables to read actual readings and modify transmitter configuration. Instrument works always in slave mode, i.e. responds only to master device query. Transmitters have the address space available from 0 to 255. Communication speed is 110 to 115200Bd.

Applications
Temperature control
Monitoring of temperature
Building management and automation
Server rooms
Manufacturers
Warehouses, glasshouses, and Development
Museums, archives, galleries
Air-conditioned rooms, HVAC Processes
Telecommunication devices

In The Box
H4431 Sensor
Traceable Calibration Certificate
Quick Start Manual