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The DX-91008304 is an expansion module for analog and binary inputs/outputs. This module is part of the Johnson Controls Metasys DX series. Operating on a supply voltage of 24 VAC ±15%, it functions within a frequency range of 50 to 60 Hz.
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| Manufacturer | Johnson Controls |
|---|---|
| Product Type | Analog and Binary Input/Output Expansion Module |
| Product Line | Metasys DX |
| Part Number | DX-91008304 |
| Weight | 12.00 lbs (5.44 kg) |
| Supply Voltage | 24 VAC ±15%, 50-60 Hz |
| Processor | NEC 78C10 |
| Memory | 8 KB RAM, 56 KB EPROM, 8 KB EEPROM |
| Communication Protocols | RS-485, 9600 baud rate |
| Time Scheduling | 8 scheduling modules |
| Power Consumption | 10 VA nominal |
| Operating Temperature | 0 to 40°C (32 to 104°F) |
| Humidity Range | 10 to 90% RH, non-condensing |
| Analog Inputs | 6 channels, supports various RTD types |
| Analog Outputs | 2 channels, max load 500 ohms |
| Digital Inputs | 4 potential-free contact inputs, max. 10 Hz |
| Digital Outputs | 4 triac outputs, 24 VAC, 0.5 A continuous |
| Function Modules | Supports PID, comparator, totalization, sequencer functions |
| Housing Protection | ABS + polycarbonate, self-extinguishing UL 94 VO, IP30 |
Designed for the Metasys DX series, the DX-91008304 expansion module offers comprehensive analog and binary input/output capabilities. It utilizes a 24 VAC power supply with a tolerance of ±15% and is suitable for operation at 50 or 60 Hz capabilities, ensuring it meets various system requirements. Equipped with an NEC 78C10 processor, this module features a robust memory arrangement consisting of 8 KB RAM, 56 KB EPROM, and 8 KB EEPROM for efficient data handling.
Communicating over RS-485 at a baud rate of 9600, this module ensures reliable data exchange. It offers six channels for analog input, which can support diverse RTD types, providing versatility in temperature and process monitoring. Additionally, two analog output channels are available, handling loads up to 500 ohms.
Digital input functionality comprises four potential-free contact inputs with a maximum response rate of 10 Hz. Complementing this, the device includes four triac outputs capable of delivering 0.5 A of continuous current at 24 VAC. For applications requiring time scheduling, the module accommodates up to eight programmable scheduling modules, enhancing automation control.
This device operates efficiently within a temperature range of 0 to 40°C (32 to 104°F) and retains functionality in a humidity range of 10 to 90% relative humidity, non-condensing. It also supports various functional modules, facilitating PID control, comparison, totalization, and sequencing tasks to suit multiple automation needs.
The housing is composed of a blend of ABS and polycarbonate, ensuring durability and compliance with self-extinguishing UL 94 VO standards, providing further protection in electrical environments. With a protection rating of IP30, the DX-91008304 is adequately shielded against dust and debris, making it suitable for a variety of industrial applications.