I/O Expansion Module 16 Digital Inputs 3 Analog Inputs 16 Relay Outputs

IO-D16A3-RO16 is an XL I/O expansion module for use in conjunction with specific Unitronics controllers. XL modules comprise enhanced I/O configurations and detachable I/O connectors. A local or remote I/O adapter module is required to interface between the expansion module and the PLC controller and provide power to the expansion modules in the system.
16 Digital pnp/npn inputs, including 2 High-speed counters, 3 Analog inputs, 10 bit, 0-20mA, 4-20mA, 16 Relay outputs.

• 16 digital inputs, including 2 HSC
• 3 analog inputs
• 16 relay outputs

Maximum current consumption: 70mA (provided by the adapter 5VDC supply for I/O modules)

Digital Inputs:
Number of inputs: 16 (in a single group)
Input mode: pnp (positive logic) or npn (negative logic) – configurable by hard-wiring
Nominal input voltage: 24V DC
Input current: 3.7mA @ 24VDC
Input impedance: 6.5kΩ
Response time: 10ms typical
Resolution: 16-bit or 32-bit, depending on the PLC or remote I/O adapter

Analog Inputs
Number of inputs: 3
Input type: 0–20mA or 4–20mA
Input impedance: 191Ω
Maximum input rating: 28mA, 5.3VDC
Cable type: Shielded twisted-pair
Resolution (0-20mA): 10-bit (1024 units)
Resolution (4-20mA): 204 to 1023 (820 units)

Digital Outputs
Number of outputs: 16 relays
Output type: SPST-NO (Form A)
Isolation: By relay
Type of relay: Tyco PCN-124D3MHz or compatible
Maximum output current 3A per output (resistive load), 8A total for common (resistive load)
Rated voltage: 250VAC / 30VDC

Environmental: IP20/NEMA1
Operating temperature: 0° to 50°C
Storage temperature: –20° to 60°C
Relative Humidity (RH): 10% to 95% (non-condensing)
Mounting: Snap-mounted on 35mm DIN-rail
Dimensions (W x H x D): 80 x 135 x 60mm
Weight: 394g