Superior Design

• Status LED on each input glows proportionally to voltage.
• Robust 45° screw terminal.
• Reversible door flips to show object list.

24 Binary Inputs

• Use software to select thermistor/dry contact.

Easy Mounting

• Mount conveniently in the same enclosure as the host controller or at a distance of up to 152 m (500 ft) in a separate enclosure.

Warranty

• 5 years.

Supply Voltages

• 24 VAC ±10% 25 VA maximum, 50/60 Hz.
• 24 VDC ±10% 2 W maximum.

Wiring Terminals

• 12–22 AWG (3.3–0.33 mm²).
• Stranded or solid core.
• Copper conductors only.

Communication Options

• Dedicated EIA‑485 I/O-Net port that supports a fixed baud rate of 76.8 kbps.

Inputs

• 24 binary inputs.
• 12-bit A/D converter.
• Analog: Thermistor.
• Binary: Dry contact.

• Impedance:
  • 20 kΩ pull-up for thermistor/dry contact range.

• Pulse counting up to 150 Hz.
• 24 VAC overvoltage protection.

Dimensions

• 17.9 cm L x 13.7 cm W x 3.9 cm H
  (7" L x 5 3/8" W x 1 1/2" H).

Mounting

• #8 clearance holes on 15.6 cm L x 11 cm W
  (6 1/8" L x 4 5/16" W).
• Screw depth 25 mm (1").

Weight

• 0.42 kg (0.9 lb).

Ambient Limits

• Operating: ‑20°C to 55°C (‑4°F to 131°F).
• Shipping: ‑40°C to 60°C (‑40°F to 140°F).
• Humidity: 10%–90% RH noncondensing.

Certifications

• UL 916 Listed.
• CE.
• WEEE.