RD233 - 3 Digital Input, 3 Relay Output Expandable Card for PR Model Paperless Recorders infrared temperature sensor or Modbus RTU (depending on

or Modbus RTU (depending on the model)

High speed download

Intrinsically Safe

user replaceable with any 9 V batteryBattery Life: 3 years typical at 1 minute reading rateData Format For Display: °C or °F

CalexConfig is simple

RD233 - 3 Digital Input, 3 Relay Output Expandable Card for PR Model Paperless Recorders infrared temperature sensor or Modbus RTU (depending on3 digital input channels 3 relay output channels Logic Low: 5V minimum, 0. 8V maximum Logic High: 3. 5V minimum, 24V maximum External pull down resistance: 1K maximum External pull up resistance: 1. 5M minimum Relay contact form: N. O. & N. C. (Form C) Relay rating: 5A 240 VAC, 200,000 life cycles (resistive load) Compatible with PR10, PR20, and PR30 paperless chart recorders The RD233 is an expandable combination relay output and digital input card