GE IS220PHRAH1B Mark VIe PHRA HART Analog I/O Pack

GE IS220PHRAH1B Mark VIe PHRA HART Analog I/O Pack

Functional Description

The Highway Addressable Remote Transducer (HART®) Enabled Analog I/O pack (PHRA) provides the

electrical interface between one or two I/O Ethernet networks and an analog input/output terminal board.

The PHRA contains a BPPx processor board common to the distributed I/O packs and an acquisition board

specific to the analog input function.

The I/O pack is capable of handling up to 10 analog inputs, the first eight of which can be configured as ±5

V inputs, or 4-20 mA current loop inputs. The last two inputs can be configured as ±1 mA or 4-20 mA

current inputs. The load termination resistors for current loop inputs are located on the terminal board and

voltage is sensed across these resistors by the PHRA. The PHRA also includes support for two 4-20 mA

current loop outputs. In addition, in 4-20 mA mode the PHRA can relay HART messages between HART

enabled field devices and an Asset Management System (AMS). These HART enabled field devices can be

connected through any of the inputs or outputs.

Input to the I/O pack is through dual RJ-45 Ethernet connectors and a 3-pin power input. Output is through

a DC-62 pin connector that connects directly with the associated terminal board connector. Visual

diagnostics are provided through indicator LEDs.

Technical Specifications