Allen-Bradley 1769sc-IF8u Analog Input Module
Configured for universal analog and temperature signal processing in CompactLogix systems, the Allen-Bradley 1769sc-IF8u (1769sc-IF8u Analog Input Module) provides direct physical/electrical execution.
Suffix Breakdown & Model Matrix
- 1769: Compact I/O hardware platform designation for Allen-Bradley CompactLogix and MicroLogix 1500 system architecture.
- sc: Spectrum Controls licensed technology identifier for high-density specialty I/O modules.
- IF8u: 8-channel universal input hardware configuration supporting thermocouple, RTD, resistance, current, and voltage signals.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1769sc-IF8u |
| Brand | Allen-Bradley |
| Origin | USA |
| Weight | 0.45 kg (1.00 lbs) |
| Dimensions | Standard 1769 Compact I/O single-slot width |
| Operating Temp | 0 to 60 deg C |
| Power Consumption | Standard 1769 backplane bus draw |
| Channels | 8 differential universal input channels |
| Supported Signal Types | Thermocouple, RTD, Resistance, +/-10 V, 0-20 mA, 4-20 mA |
| Resolution | 16-bit analog-to-digital converter |
Backplane Bus Communication and Deterministic Networks
The Allen-Bradley 1769sc-IF8u module leverages high-speed backplane bus communication velocity to deliver digitized process variable inputs to CompactLogix controllers. Designed for integration within EtherNet/IP deterministic networks, the module provides per-channel signal linearizations directly on board to optimize I/O density scaling. Firmware flash compatibility ensures synchronized cyclic data exchange and zero-latency channel updates across the local rack backplane.
Frequently Asked Questions
Q: Does the 1769sc-IF8u module draw operational power directly from an external power supply or the backplane?
A: The module receives its operational logic power directly from the 1769 Compact I/O backplane bus, subject to backplane power supply distance rating restrictions.
Q: Can channels on the 1769sc-IF8u be configured independently for different input types?
A: Yes, each of the 8 differential input channels can be individually configured via software for thermocouple, RTD, voltage, or 4-20 mA current loops.
Field Installation Guidelines
- Disconnect system backplane power prior to seating or removing the 1769sc-IF8u module from the DIN rail assembly.
- Verify that the module is installed within its designated power supply distance rating on the local expansion bank.
- Wire field inputs using individually shielded twisted-pair cables to prevent electromagnetic noise coupling.
- Connect cable shield drain wires to a single enclosure chassis grounding point.
- Secure DIN rail locking latches on top and bottom of the module to maintain firm contact with adjacent 1769 bus connectors.
Allen-Bradley 1769sc-IF8u Analog Input Module
Allen-Bradley 1769sc-IF8u Analog Input Module
Configured for universal analog and temperature signal processing in CompactLogix systems, the Allen-Bradley 1769sc-IF8u (1769sc-IF8u Analog Input Module) provides direct physical/electrical execution.
Suffix Breakdown & Model Matrix
- 1769: Compact I/O hardware platform designation for Allen-Bradley CompactLogix and MicroLogix 1500 system architecture.
- sc: Spectrum Controls licensed technology identifier for high-density specialty I/O modules.
- IF8u: 8-channel universal input hardware configuration supporting thermocouple, RTD, resistance, current, and voltage signals.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1769sc-IF8u |
| Brand | Allen-Bradley |
| Origin | USA |
| Weight | 0.45 kg (1.00 lbs) |
| Dimensions | Standard 1769 Compact I/O single-slot width |
| Operating Temp | 0 to 60 deg C |
| Power Consumption | Standard 1769 backplane bus draw |
| Channels | 8 differential universal input channels |
| Supported Signal Types | Thermocouple, RTD, Resistance, +/-10 V, 0-20 mA, 4-20 mA |
| Resolution | 16-bit analog-to-digital converter |
Backplane Bus Communication and Deterministic Networks
The Allen-Bradley 1769sc-IF8u module leverages high-speed backplane bus communication velocity to deliver digitized process variable inputs to CompactLogix controllers. Designed for integration within EtherNet/IP deterministic networks, the module provides per-channel signal linearizations directly on board to optimize I/O density scaling. Firmware flash compatibility ensures synchronized cyclic data exchange and zero-latency channel updates across the local rack backplane.
Frequently Asked Questions
Q: Does the 1769sc-IF8u module draw operational power directly from an external power supply or the backplane?
A: The module receives its operational logic power directly from the 1769 Compact I/O backplane bus, subject to backplane power supply distance rating restrictions.
Q: Can channels on the 1769sc-IF8u be configured independently for different input types?
A: Yes, each of the 8 differential input channels can be individually configured via software for thermocouple, RTD, voltage, or 4-20 mA current loops.
Field Installation Guidelines
- Disconnect system backplane power prior to seating or removing the 1769sc-IF8u module from the DIN rail assembly.
- Verify that the module is installed within its designated power supply distance rating on the local expansion bank.
- Wire field inputs using individually shielded twisted-pair cables to prevent electromagnetic noise coupling.
- Connect cable shield drain wires to a single enclosure chassis grounding point.
- Secure DIN rail locking latches on top and bottom of the module to maintain firm contact with adjacent 1769 bus connectors.
