Acromag Inc., Wixom, MI, offers its BusWorks Model 989EN isolated discrete I/O modules that also perform counter/timer functions. Features include an isolated Ethernet Modbus TCP/IP interface for any I/O mix of up to 16 discrete signals, 16 individually configurable bidirectional I/O channels with a 0–28 VDC signal range, 8 counter timers that can be configured as 32-bit up/down pulse or event counters or 16-bit periodic timers (industrial models only), Web browser setup and configuration, auto-copy, and automatic MDI/MDI-X negotiation. Outputs are suited for switching valves, actuators, pumps, and motors as well as for audible or visual alarms. Applications involve monitoring of temperature, pressure, flow, level, and discrete sensor switches in process control applications.
Ethernet I/O Modules from Acromag