Analogue inputs acquire over Ethernet
An
Acromag product story
Edited by the Engineeringtalk editorial team
Aug 15, 2008
I/O blocks accept 32 differential DC current or voltage inputs, and interface the signals to Ethernet devices or controllers with Modbus TCP/IP or UDP/IP protocol communication.
Acromag has extended its EtherStax line of rugged, high-density Ethernet I/O blocks for distributed I/O and Scada applications with the release of new analogue input models.
The ES2161 and ES2162 accept 32 differential DC current or voltage inputs, respectively, and interface the signals to Ethernet devices or controllers with Modbus TCP/IP or UDP/IP protocol communication.
ES2162 units also accept signals from 8B signal conditioning module racks through two DB25 ports to monitor a wider variety of sensors including temperature, frequency, and load cells.
Fast scanning updates all 32 channels in less than 5ms.
An embedded web page provides easy setup menus to eliminate programming.
Units are available in a variety of configurations with prices starting at US $950.
Two models, each with 32 differential analogue inputs and 16bit A/D, support a variety of I/O ranges.
The ES2161 accepts DC current with +/-20, 0-20 or 4-20mA input ranges.
ES2162 units accept +/-5 or +/-10V ranges and provide DB25 ports for alternative connection of two 7B or 8B signal conditioning module racks supporting nearly 100 additional input types.
Maximum scan rates of over 1kHz are achievable.
Dual-format data registers support both 16bit signed and 32bit floating point formats.
IEEE754 32bit floating point scaling registers are configurable on a per-channel basis.
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