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APD Signal Conditioning Products
Absolute Process Instruments' DIN-style process control products are versatile, and many are field-configurable
Absolute Process Instruments offers a wide range of signal conditioning products that address common process control and electrical systems challenges. The APD family of products features 22.5 mm and 45 mm wide housings that mount on industry-standard 35 mm DIN rails. APD DIN modules serve various purposes, from isolating process loops from voltage spikes and transients to eliminating ground faults and countering EMI/RFI interference. In addition, the APD modules can be configured to convert and condition different types of process signals or sensors for seamless integration with controllers, recorders, or other devices. Models are available with single or dual setpoints, offering remote alarm functionality.
Absolute Process Instruments' comprehensive datasheets include detailed installation, operation, and calibration instructions, ensuring ease of use and peace of mind.
- Ease of installation
- The 22.5 mm and 45 mm wide housings include four or eight 4-terminal removable connectors and easily mount vertically to a 35 mm DIN rail, allowing for a dense population of I/O
- Versatile configuration
- Field-configurable models support a wide range of input and output types
- Factory-ranged models cater to non-standard or special configurations and ranges
- Where applicable, zero and span potentiometers are conveniently accessible for fine-tuning in the field
- Troubleshooting and monitoring
- APD modules are designed with user-friendly features, including loop-tracking LEDs, bicolor LEDs on alarms, and push-to-test buttons, which are invaluable during startup and operation as well as when troubleshooting
- Input and output variety
- Input types include AC voltage/current, DC voltage/current, strain gage/load cell, potentiometer, thermocouple, RTD, thermistor, frequency/pulse, and other/special
- Output types encompass DC voltage/current, frequency, and one or two relays
- Flexible power options
- APD products support a variety of power options: 85 VAC to 265 VAC or 60 VDC to 300 VDC (standard) and 9 VDC to 30 VDC or 10 VAC to 32 VAC (D option), catering to different power supply requirements
- Ground loop isolation: the APD family of products effectively isolates ground loops, preventing interference and ensuring smooth operation
- EMI/RFI protection: modules guard against electromagnetic and radio-frequency interference, enhancing signal reliability
- Noise filtering: modules include noise filtering features to provide clean and accurate data for applications
- Sensor conversion and isolation: convert and isolate various types of process signals and sensors, facilitating seamless integration into control systems
- Remote alarms: select from single or dual setpoint models to implement remote alarms, enhancing safety and control in applications
