Overview
The Allen-Bradley 1769SC-IF4IH is a versatile 4-channel analog current/voltage input module, designed to integrate both HART (Highway Addressable Remote Transducer) communication and standard analog inputs. This module enables you to gather real-time data from process instruments while reducing the need for additional wiring. By combining HART and analog inputs into a single module, the 1769SC-IF4IH helps lower system costs and simplifies commissioning, operation, and maintenance, offering a streamlined solution for industrial applications.
Key Features
- 4 Channels of Isolated Analog Input: Supports full HART protocol.
- HART Master Functionality: Communicates directly with HART field devices.
- Read/Write HART Capability: Provides complete control of connected devices.
- Passthrough Messaging: Ensures seamless communication with other field devices.
- Comprehensive Data Support: Includes PV (Process Variable), SV (Span Value), TV (Tag Value), and FV (Field Variable).
- High Isolation: Provides 710 VDC isolation between channels and field-wiring-to-backplane.
- Advanced Filtering: Five selectable filter frequencies for each channel.
Specifications
| Specification | Detail |
|---|---|
| Input Types | 0-20 mA, 4-20 mA, 0-5 V, 1-5 V, 0-10 V, ±10 V (HART support) |
| Channels | 4 Isolated Analog Input Channels with HART |
| Resolution | 16-bit across all ranges |
| HART Dynamic Variables | PV (Process Variable), SV (Span Value), TV (Tag Value), FV (Field Variable) |
| Update Times | 18 to 488 ms for analog channels, 6 sec for HART communication |
| Electrical Isolation | 710 VDC field-wiring-to-backplane, 500 VDC field-wiring-to-chassis-ground, 710 VDC channel-to-channel |
| Input Impedance | >220 Kohm for voltage, <250 ohm for current |
| Protection | Overvoltage Protection: 24 VDC (voltage), 7 VDC (current) |
| Backplane Current | 125 mA at 5 V max, 60 mA at 24 V max |
| Common Mode Rejection | 60 dB at 60 Hz |
| Normal Mode Rejection | 50 dB at 50/60 Hz |
| Operational Temperature | 0°C to 60°C (32°F to 140°F) |
| Storage Temperature | -40°C to 85°C (-40°F to 185°F) |
| Relative Humidity | 5% – 95% (non-condensing) |
| Thermal Dissipation | 1.00 Watt maximum |
| Accuracy | ±0.2% (voltage), ±0.35% (current) |
| Certifications | UL/cUL Listed, ANSI ISA 12.12.01 (Class I, Div 2, Groups ABCD), CE Certified |
| Terminal Base | 18-position terminal base |
FAQ
Q: What types of input signals does the 1769SC-IF4IH module support?
A: The module supports multiple input types, including 0-20 mA, 4-20 mA, 0-5 V, 1-5 V, 0-10 V, and ±10 V, all with full HART protocol support.
Q: What is the benefit of integrating HART communication in this module?
A: HART integration allows real-time communication with HART field devices, enabling the transfer of additional diagnostic and process data while reducing the need for extra wiring.
Q: How does the 1769SC-IF4IH handle electrical isolation?
A: The module provides 710 VDC isolation between channels, field-wiring-to-backplane isolation, and 500 VDC isolation between field-wiring and chassis ground, ensuring reliable operation in industrial environments.
Q: What protection features does the module have?
A: It includes overvoltage protection of 24 VDC for voltage inputs and 7 VDC for current inputs, ensuring safe operation in varied conditions.
Q: Is the 1769SC-IF4IH module certified for hazardous environments?
A: Yes, the module is ANSI ISA 12.12.01 certified, making it suitable for Class I, Div 2 hazardous locations, in addition to its UL/cUL Listing and CE certification.
Details
| Weight | 0.1 kg |
|---|
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