Phone: 253-927-6186
 Email: sales@hotektech.com

DO 9404 Dual Regulator Controller Indicator with serial output RS232. Two Channels.
The dual regulating indicator DO 9404 is a microprocessor controlled panel instrument with LED 96x96, with thresholds and alarms that may be programmed and configured by the user.
In the two input channels it accepts signals coming from two distinct transmitters or from a double transmitter.
The transmitters may be passive with 2 wires or active with 3 wires, in voltage 0÷1 V, 0÷5 V, 0÷10 V or current 0÷20 mA; 4÷20 mA. For both input channels the configuration possibility is always present in the instrument, no extra cards are needed.

DO 9404 Dual Indicator Controller

Model  Description 
DO 9404  Dual Regulator Controller Indicator with serial output RS232

The operating mode of the DO 9404 is chosen according to the application, configuring the instrument with the keyboard.
It is possible to configure the instrument on the field with maximum simplicity to adapt it to changes in the process requirements.
The configuration possibility concerns the inputs, the extent of the scales, the set points, the alarms and the baud rate.

Applications:
A typical application of the DO 9404 Dual Indicator Controller is the display and regulation of signals arriving from passive 2-wire or active 3-wire transmitters, of any physical quantity: temperature, humidity, pressure, speed, level, etc. for a wide variety of industrial sectors and automation.
Characteristics:
Set point may be configured from -9999 to +19999 Indication with 1/2" red LED's
Separate terminal for each channel for voltage input 0 ÷ 10 V and current input 0÷ 20 mA, 4÷ 20 mA.
On the terminal board an auxiliary power supply is available at -5 Vdc max. 10 mA and +15 Vdc non-stabilized max. 44 mA for the possible feeding of passive 2-wire transmitters.
Instrument accuracy ±0. 1 % Rdg ± 1 digit A/D converter resolution: 0.05 mV/digit, 1 uA/digit
Functions: Two relays with insulated HI LO exchange contact for channel 1: RL1, RL2.
Two relays with insulated HI LO exchange contact for channel 2: RL4, RL5.
One relay for the overall maximum and minimum alarms: RL3 Resistive 3A/230 Vac relay contacts
Instrument working temperature: (electronic components) -5..+5O°C
Power supply: 12÷24 ±10% Vac/Vdc.

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