Introduction

The Resistive Sensor Module card is used to simulate sensors which behave as variable resistors. It holds 12 programmable channels, each of them having a 20-bit resolution over the 0.5Ω to 200 kΩ range. Each channel is rated for 1/4W dissipation into the programmed resistance.

The channels' electronic circuit is described in the resistive sensor section.

Up to 10 RSM cards can be inserted in one OP6200 chassis, although the reference model typically uses a maximum of 3 cards.

The board also has the following capabilities :

• Selection of termination voltage for each channel
• Over current protection
  
  

The board  also supports the following features, which are common to all OP6200 I/O boards :

• Over-temperature detection
• Battery voltage compatibility
• Module information
• Activity and status LEDs
• Firmware Update
• Synchronization
• Cable Identification

Architecture Overview