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GE IC695ALG628 RX3i Analog Input Module
GE IC695ALG628 RX3i Analog Input Module
Technical Specifications:
GE IC695ALG628 PACSystems RX3i Analog Input Module
Description
The IC695ALG628 is a non-isolated differential analog input module from GE's PACSystems RX3i family. It offers eight single-ended or four differential input channels and includes HART version 5.0 communications capability on each channel. This module is designed for use in various industrial applications, providing precise analog input measurements and robust communication features.
Module Features
- Software Configurability: Fully configurable via software with no need for module jumpers.
- Autocalibration: Supports full autocalibration at startup to maintain accuracy.
- Error Checking: Includes on-board error-checking and open-circuit detection for all voltage and 4-20mA inputs.
- Alarming Capabilities: Configurable high, low, high-high, and low-low alarms per channel.
- Fault Reporting: Provides module fault reporting and supports diagnostic point fault contacts in the logic program.
- Memory: Flash memory for future upgrades.
- Rate of Change Alarms: Includes positive and negative rate of change alarms.
- HART Communication: Supports HART version 5.0 communication protocol.
Technical Specifications
Parameter | Specification |
---|---|
Input Ranges |
Current: 0 to 20mA, 4 to 20mA, ±20mA Voltage: ±10V, 0 to 10V, ±5V, 0 to 5V, 1 to 5V |
Backplane Power Requirements | 260 mA maximum @ 5.0V +5% / -2.5%, 200 mA maximum @ 3.3V +5% / -3% |
Power Dissipation | 2.83 W maximum |
Resolution | 24-bit ADC converted to Floating Point or Integer |
Input Data Format | Configurable as floating point IEEE 32-bit or 16-bit integer in a 32-bit field |
Filter Options | 8Hz, 12Hz, 16Hz, 40Hz, 200Hz, 500Hz |
HART Communications | Version 5.0 HART protocol supported |
Input Impedance | >100 kΩ for voltage inputs |
Current Input Resistance | 249 Ω ±1% |
Open Circuit Detection Time | 1 second maximum |
Overvoltage Protection | ±60 VDC continuous, maximum |
Overcurrent Protection | ±28mA continuous, maximum |
Noise Rejection (Normal Mode) |
At 50Hz: 85 dB minimum with 8 Hz filter At 60Hz: 85 dB minimum with 8 Hz filter |
Noise Rejection (Common Mode) | 120 dB minimum @ 50/60 Hz with 8 Hz filter |
Channel-Channel Crosstalk |
-80 dB minimum (single ended mode) -80 dB minimum (differential mode, grounded common) -60 dB minimum (differential mode, floating common) |
Isolation Voltage | 250 VAC continuous/1500 VAC for 1 minute (terminal block to backplane/chassis) |
Module Scan Time | Varies based on number of acquisition cycles, filter option, and whether channels are analog or HART |
Calibrated Accuracy |
From 13°C – 33°C: ±5V, ±10V, ±20 mA: 0.05% of range 0 to 10V, 0 to 5V, 1 to 5V, 0 to 20 mA: 0.1% of range 4 to 20 mA: 0.125% of range From 0°C – 60°C: 0 to 10V, 0 to 5V, 1 to 5V: 0.2% of range 0 to 20 mA: 0.25% of range 4 to 20 mA: 0.3125% of range ±5V, ±10V: 0.1% ±20 mA: 0.125% of range |
Calibration Interval | 12 months typical to meet accuracy specifications over time |
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