Acromag Inc., Wixom, MI, offers its BusWorks 967EN and 968 EN 8-channel Ethernet I/O modules for distributed I/O and SCADA. Both models are available in industrial and commercial-grade versions. The 967EN accepts DC current with ±20 mA, 0–20 mA, or 4–20 mA inputs and the 968EN accepts ±5 V or ±10 V. Both provide scanning updates of <10 ms for all 8 channels and provide 16-bit A/D conversion to Modbus TCP/IP. Other features include signal integrator/totalizer function, peer-to-peer messaging, and –40°C to 70°C capability (industrial version); dual-format data registers that support 16- and 32-point formats; and a configurable sample average function.
Ethernet Analog I/O from Acromag