MRIO-84

FUNCTIONAL

• 8 Individually configurable inputs
• 4 individually isolated low-voltage relay outputs
• Multiple protocol serial port including:
  - RS-232 Serial
  - RS-485 Serial
  - DMX Input
  - DMX Output
• Tri-mode inputs support:
  - Digital In - Presence of voltage between input and ground. Supports active-high and active-low
  - Analog In - Uses voltage range as a trigger
  - Contact Closure - Uses a voltage-free switch between input and ground

MECHANICAL

• Six-unit wide DIN enclosure complies with DIN43880 and
  - EN60715 (35/7.5 rail)
• Rugged aluminum enclosure
• Rotary switch for selecting network address
• All connections use pluggable rising clamp terminals

ELECTRICAL

• RJ45 connection supports 10/100Base-TX Ethernet
  - Link and data LEDs
  - Static and DHCP addressing support
• PoE powered (IEEE 802.3af, Class 2) 7 W max draw
• Isolated tri-mode inputs are rated for:
  - Digital - 24 VDC maximum, internal 2 MOhm pull down to 0 V (software configurable low/high threshold)
  - Analog - 0–24 VDC range configurable in software
  - Contact Closure - Voltage-free switch with internal 2.2 kOhm pull-up to 5 VDC
• Isolated relay outputs are rated for:
  - 1 KV isolation per relay
  - 250 mA at 48 VAC/VDC (0.25 A)
  - An external power supply is required to power relay outputs
• RS-232 or RS-485 bidirectional serial with support for free syntax ASCII, HEX or Decimal formats
  - May be used for DMX input or output of up to 512 channels
• (ANSI E1.11-2024)
• Wiring connections made using pluggable 0.2 in (5 mm)
• rising clamp terminals

THERMAL

• Ambient temperature: 0°C to 50°C (32°F to 122°F)
• 10%–90% relative humidity, non-condensing