These EtherStax I/O units provide a rugged, high-density, and high-speed solution to interface a large quantity of analog input signals. Units natively accept 32 differential high-level analog voltage inputs, which are ideal for most sensor interface applications in remote zones.
• 32 differential high-level voltage analog inputs
• Dual DB25 ports for alternate interface to 8B signal conditioning backpanels
• 4-way isolation and surge suppression
• Configurable from any web browser
• High-resolution 16-bit A/D
• Fast scanning up to 1KHz
• Dual-format data registers support both 16-bit signed integers and 32-bit floating point formats
• User-configurable IEEE-754 32-bit floating point scaling registers on all channels
• User-configurable integration function on all channels with totalizing 32-bit non-volatile counter registers
• Built-in precision voltage sources for automatic calibration
• On-demand self-test for built-in calibration sources
• Operating temperature: -40 to 70°C (-40 to 158°F)
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Input Channel Configuration 32 differential analog inputs. 16 channels on front and rear panels of unit. DC Voltage Input Ranges (per-channel basis) ±5V or ±10V DC (default). User-configured on a per-channel basis. Input Scaling (per-channel basis) Floating Point Format: IEEE-754 32-bit configurable for 12 digits with 4 decimal places. 16-bit Signed Integer Format: All channels are represented as ±30,000. Input Resolution and Accuracy Resolution: 16-bit maximum, 0.00167%. Accuracy: Better than 0.02% of range. Input Impedance Greater than 1M ohms. Input Scan Groups and Scan Times Eight user-enabled 4-channel scan groups. 5mS (200Hz) update of all 32 channels. 8mS (125Hz) update when totalizing. First 4-channel group updates in 770µS (1.3Khz). Each additional 4-ch. group adds 590µS to update time. Sample Averaging 0 to 500 samples, user-configurable. Input Overvoltage Protection Bipolar Transient Voltage Suppressers (TVS), 18V clamp level typical. Noise Rejection Common Mode (50-60Hz): Better than 72dB. |
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Input Configuration (per-channel basis) Web page configuration sets channels to sense inputs via screw terminals or DB25 port. 8B Input Module Outputs All 8B input modules provide 0-5V, 1-5V or ±5V DC outputs. 8B Input Module Power 8Bs require 5V DC ±5%. For other power options, order one (1) supply per backpanel. 7-34V DC: Model 8BPWR-2 power supply. AC power: Model PS5R-B05 or PWR-4505. 8B Input Isolation (CMV Input-to-Output) 1500Vrms channel-to-channel isolation. |
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Configuration Failsafe or non-failsafe (software-configurable) relay trips on power or link-loss failure. Type SPST-NO, 1 Form A, Class I, Division II approved. Rating 5A @ 24V DC/250V AC, 6000 cycles resistive. 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. |
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Internal Switch or Hub/Repeater Dual-port Ethernet switch. Web-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 duplex SC connector. 2km communication distance. Full/half-duplex, selectable. Protocols and Addressing Modbus TCP/IP or UDP/IP. StaticIP, DHCP, BootP. Configurable IP addresses. Ethernet Modbus TCP/IP Sockets/Sessions 1-10 socket/sessions programmable via web page. Ethernet Redundancy Compatible with STP, RSTP, proprietary schemes. |
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Operating and Storage Temperature Operating Ranges: -40 to 70°C (-40 to 158°F). Storage Range: -40 to 85°C (-40 to 185°F). Power Requirements 18-36V DC. Redundant, diode-coupled terminals. 4.4W (copper ports), 5.5W (fiber-optic ports). Isolation I/O, power, relay and Ethernet port-to-port. Peak: 1500V AC, ANSI/ISA-82.01-1988. Continuous: 250V AC, 354V DC. |
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Safety Approvals 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). |
