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TECHNICAL SPECIFICATIONS:
Part Number: IS220PHRAH1A, REV J
Manufacturer: General Electric
Series: Mark VIe Control System
Product Type: High Resolution Analog Input Pack
Number of Channels: 12 channels per terminal board (10 AI, 2 AO)
Input Span: 4-20 mA dc, ±5 V dc, (Inputs 1-8)
Input Channels: 6 High-Precision Analog Inputs (0–20 mA, 4–20 mA, or Voltage Modes)
Analog-to-Digital Conversion: High-Precision 24-Bit A/D Converter Engine
Sampling Rate: High-Speed Synchronized Scan Rate (< 1 ms update speed)
Processor Core: Onboard Dual-Core High-Speed Microprocessor Engine
Communication Ports: Dual RJ-45 Ethernet Ports (10/100 Mbps IONet Interface)
Terminal Board Compatibility: Connects via 28-Pin Connector
Input Converter Resolution: 16-bit analog-to-digital converter
Scan Time: Normal scan 5 ms (200 Hz).
Input Power Supply: Nominal 28 VDC
Common Mode Voltage Range: ±5 V
Output Converter: 14-bit D/A converter
Power Consumption: 5.8 W (Typical) / 8.0 W (Maximum)
Operating Temperature Limits: -30°C to +65°C (-22°F to +149°F)
Storage Temperature Range: -40°C to +85°C (-40°F to +185°F)
Relative Humidity Threshold: 5% to 95% (Non-condensing)
Mounting Style: Direct Terminal Board Plug-in with Latching Fasteners
Technology: Surface Mount
Availability: In Stock
Size: 8.26 cm high x 4.19 cm wide x 12.1 cm
Weight: Approximately 0.45 kg (0.99 lbs)
Country of Origin: United States
Manual: GEH-6721_Vol_II_BP
IS220PHRAH1A, REV J is a HART-Enabled Analog I/O Module designed and manufactured by General Electric for the Distributed Mark VIe control Systems. 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.
ANALOG INPUT HARDWARE:
The PHRA accepts input voltage signals from the terminal board for all 10 input channels. The analog input section consists of an analog multiplexer block, several gain and scaling selections, and a 16-bit analog-to-digital converter (DAC). The inputs can be individually configured as ±5 V scale signals, depending on the input configuration. The terminal board provides a 250 Ω burden resistor when configured for current inputs, yielding a 5 V signal at 20 mA. These analog input signals are first passed through a second-order, passive, low-pass filter network with poles at 12.5 Hz and 48.3 Hz. Voltage signal feedback from the analog output circuits and calibration voltages are also sensed by the PHRA analog input section.
WHY BUY FROM WOC
World of Controls provides global supply and distribution for genuine General Electric Mark VIe automation hardware. Every GE IS220PHRAH1A REV J High Resolution Analog Input Pack undergoes rigorous pre-dispatch testing on live Mark VIe test racks, including 24-bit signal calibration sweeps, dual IONet Ethernet port communication validation, fault condition simulation, and extended thermal burn-in. We maintain ready-to-ship stock of UNUSED surplus and professionally REBUILT packs, backed by full warranty coverage, global express shipping, and expert technical support.
What is GE IS220PHRAH1A Rev J?
It is a HART-enabled analog I/O Module that plugs directly onto a terminal board to process 6 high-precision analog field inputs using 24-bit A/D conversion over dual IONet Ethernet paths.
How many analog input channels does the PHRA I/O Module support?
The PHRAH1A I/O pack supports up to 10 analog input channels. Channel configuration depends on the connected terminal board and the required input signal type.
What is the function of the 250-ohm burden resistor?
For current-input applications, the terminal board uses a 250-ohm burden resistor to convert the 4–20 mA current signal into a corresponding voltage signal. The PHRA measures the resulting voltage across the resistor.
Does IS220PHRAH1A support HART communication?
Yes. The PHRAH1A supports HART communication when operating with 4–20 mA signals. It can relay HART messages between compatible field devices and an Asset Management System (AMS).
Where is HART communication used in the PHRAH1A?
HART communication can be supported through compatible analog input and output channels operating in 4–20 mA mode. This allows digital HART information to be communicated alongside the analog process signal.
