Key Features:

These EtherStax I/O units provide a rugged, high-density, and high-speed solution to interface analog output signals. Each unit provides 16 high-level analog current outputs to control various industrial devices.

• 16-channel high-density analog output
• 3-way isolation and surge suppression
• High-resolution 16-bit D/A
• High-speed updates of less than 1 millisecond per channel
• Built-in loop-back circuit verifies outputs
• On-demand self-test verifies calibration
• Web browser configuration
• Peer-to-peer i2o communication output target device for Model ES215x inputs
• Operating temperature: -40 to 70°C (-40 to 158°F)

Product Details

Analog Field Inputs

Output Channel Configuration

16 single-ended current outputs.

9-16V DC external excitation required.

Output Ranges (per-channel basis)

0-20mA or 4-20mA DC sourced.

User-configured on a per-channel basis.

Maximum Output Load at Excitation

265 ohms @ 9V.

400 ohms @ 12V.

540 ohms @ 15V.

Output Resolution and Accuracy

Resolution: 13-bit maximum, 0.0122%.

Accuracy: Better than 0.1% of range.

Output Response Time

1 channel: Less than 3mS, typical.

16 channels: Less than 4mS, typical.

Local Alarm Output


Failsafe or non-failsafe (user-configurable) relay trips on  power or link-loss failure.


SPST-NO, 1 Form A, Class I, Division II approved.


3A @ 24V DC/250V AC, 100,000 cycles general.

2A @ 24V DC/250V AC, Hazardous locations.

Maximum Switching Voltage and Power

250V AC / 750VA, 125V DC / 90W.

Ethernet Interface

Internal Switch or Hub/Repeater

Dual-port Ethernet switch. User-configurable as a true  switch (default mode) or low-latency hub.

Network Connector [10/100 Base-T(X) Copper]

One or two 8-pin RJ-45 connectors. Automatic MDI/

MDI-X. 100m communication distance.

Network Connector (100 Base-FX Fiber-optic)

One multi-mode with SC connector. 2km communication distance. Full/half-duplex, selectable.


Modbus TCP/IP, UDP/IP, i2o peer-to-peer.


StaticIP, DHCP.

Ethernet Modbus TCP/IP Sockets/Sessions

1-10 socket/sessions user-configurable.

Ethernet Redundancy

Compatible with STP, RSTP, or any ring scheme.


Operating and Storage Temperature

Operating: -40 to 70°C (-40 to 158°F).

Power Requirements

18-36V DC. Redundant, diode-coupled terminals.

3.3W (copper ports), 4.6W (fiber-optic ports), not  including excitation power.

9-16V DC @ 400mA external power required for driving the outputs.


I/O, power, relay and Ethernet port-to-port.

Peak: 1500V AC, ANSI/ISA-82.01-1988.

Continuous: 250V AC, 354V DC (150V AC ch-ch).


CE marked and UL/cUL Listed.

Hazardous Locations: Class I; Div 2; A, B, C, D.

Open board units: UL Recognized.

Shock and Vibration Immunity (in enclosure)

Mechanical Shock: 50g (3ms), 30g (11ms).

Random Vibration: 5g, (5-500Hz).