951EN / 952EN

Key Features:

• Configurable from standard web browser
• EtherNet/IP or Ethernet Modbus TCP/IP communication with automatic
10/100Mbps negotiation
• i2o function enables direct input-to-output communication without a network controller
• Multi-function, multi-channel stand-alone module is very economical
• High-resolution 16-bit sigma delta A/D and D/A converters ensure precise measurements
• 0-35V DC solid-state logic interface can monitor or control a wide variety of devices
• Discrete I/O channels are individually configurable as inputs or outputs in any combination
• Bi-directional discrete I/O facilitates read-backmonitoring of the output state
• Built-in 5.6K ohm pull-down SIP resistors (socketed)
• Selectable failsafe modes (0%, off, last-state,or pre-defined) help prevent unsafe conditions
• Compact packaging with pluggable terminalssaves space and simplifies wiring
• Wide operational temperature range permits installation in extreme environments: -25°C to +70°C (-13° to +158°F)
• Approvals: CE/ATEX marked; UL, cUL listed, Class 1 Div 2 Groups A, B, C, D; EtherNet/IP, Modbus/TCP conformance teste

Product Details

Analog Input

– Four input channels. Input range is selectable as a 4-channel group.
– Better than ±0.05% of span (0.1% for 0-1mA range), typical. Accuracy near or below 0mA or 0V is
degraded if input COM shares AO/DIO RTNs.
Analog to Digital Converter (A/D)
– 16-bit Σ-∆converter.
– Resolution: 0.005% or 1 part in 20000.
Noise Rejection
– Normal Mode: Better than 40dB @ 60Hz.
– Common Mode: Better than 140dB @ 60Hz.
Input Conversion Rate
– Less than 50mS per channel.
Input Impedance
– DC current input (951EN): 49.9 ohms.
– DC voltage input (952EN): Greater than 110.5K ohms.

Analog Output

– Two output channels. Individually selectable ranges.
– Better than ±0.05% of span (0.1% for 0-1mA range),  typical.
Digital to Analog Converter (D/A)
- 16-bit converter.
Current Output Compliance
– 12V minimum, 13V typical.
Current Output Load Resistance Range
0 to 625 ohms, typical.

Discrete Input

Input Type
– Six independent, active-high, buffered inputs with a common connection. Built-in 5.6K ohm pull-down
resistors socketed for 3-channel groups.
Input Signal Voltage Range
- 0 to 35V DC, maximum.
Input Impedance
– 100K ohms, typical.
Input Signal Threshold
– TTL compatible with 100mV of hysteresis, typical.

Discrete Output

Output Type
– Six independent, open-source, MOSFET switches.
Output Voltage and ON Resistance
– Up to 35V DC max. (0 to 330mA/ch continuous).
– 0.15 ohms maximum ON resistance.


Ambient Temperature and Humidity
– Operating: -25 to 70°C (-13 to 158°F).
– Storage: -40 to 85°C (-40 to 185°F).
– Relative Humidity: 5 to 95%, non-condensing.
– 1500V AC for 60 seconds or 250V AC continuous.
– 3-way isolation between I/O, network, and power.