Analog I/O module
16 inputs | V450
Highland Technology, Inc.
FEATURES
- 16 channels of fully isolated analog input acquisition, each independently programmable for mode and input range
- 24-bit voltage mode ranges from ±25 mV to ±250 volts
- 1/16 °C thermocouple mode supports types J K E T R S B N
- Four non-isolated precision RTD signal conditioners, plus one on-board temperature sensor
- Continuous error-free detection for open thermocouples
- Thermocouple loop resistance reporting for long-term system reliability
The V450 is a 16-channel 24-bit VME isolated analog-to-digital converter module which can acquire a wide range of DC voltages, including thermocouple readings with automatic cold junction compensation. Each channel is independently isolated with it's own A/D converter, signal conditioning, input protection circuits, and test relay.
Programmable parameters such as voltage input range, thermocouple type, and sample rate, and data acquisition results and status flags are accessible in per-channel VME registers. Independently programmable digital filters and optional plug-in analog front-end filters simplify data-acquisition systems on both software and hardware sides.
Thermocouple channels can be individually programmed to work with any of four external RTD reference junctions, or thermocouple wire can be brought directly into the front panel D25 connectors and referenced to the on-board temperature sensor. Cold-junction compensation uses high-density table lookups rather than straight line approximations, and all reference junction temperatures are readable at any time.
