Allen Bradley 1784-CP Specification
| Manufacturer | Allen-Bradley | Product Type | Serial Programming Cable |
| Protocol | RS-232 | Connector A | 62-Pin High-Density D-Sub Male (HD62) |
| Connector B | 9-Pin D-Sub Male (DB9) | Cable Length | 10.5 feet (3.2 meters) |
| Target Hardware | Allen-Bradley PLC-5 Processors | Compatible Interfaces | 1784-KT, 1784-KT2, 1784-KTP, 1784-KL PC Cards |
| Lifecycle Status | Discontinued | Country of Origin | USA |
Allen Bradley 1784-CP Application
PLC-5 Programming: Allen Bradley communication cable establishes direct serial connection from PC-based programming software (such as RSLogix 5) to Allen-Bradley PLC-5 processors.
Interface Card Linking: Allen Bradley communication cable connects Allen-Bradley 1784-KT, 1784-KT2, 1784-KTP, or 1784-KL network interface cards installed in a computer to external automated machinery.
Data Upload/Download: Allen Bradley communication cable enables secure transfer of ladder logic programs, system configurations, and memory map files between industrial workstations and local controllers.
Industrial Diagnostics: Allen Bradley communication cable facilitates real-time processor status monitoring, online troubleshooting, and fault code clearance on factory floors.
Legacy System Maintenance: Allen Bradley communication cable serves as a vital physical link for servicing, updating, and maintaining older automation networks that rely on classic Allen-Bradley architectures.
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Allen Bradley 1784-CP Key Features
1784-CP communication cable Dedicated Hardware Matching: Custom-engineered specifically to interface legacy 1784-series PC communication cards directly with classic PLC-5 processors.
1784-CP communication cable Rugged Industrial Shielding: Foil-shielded construction of 1784-CP communication cable isolates data signals to prevent transmission corruption from heavy electromagnetic interference (EMI).
1784-CP communication cable Robust Connector Locking: 1784-CP communication cable features secure thumb screws on both the HD62 and DB9 connectors to prevent accidental disconnects in high-vibration factory environments.
1784-CP communication cable Optimal Field Reach: Factory-molded 10.5-foot (3.2-meter) length allows ample routing flexibility within dense control cabinets and server racks.
1784-CP communication cable Plug-and-Play Signaling: 1784-CP communication cable's fixed hardware configuration eliminates the need for field-wired serial jumpers or complex pin adapters.
1784-CP communication cable Molded Strain Relief: Heavy-duty overmolding at the connector joints prevents wire fatigue and physical breakage from frequent handling.
Allen Bradley 1784-CP Images
Allen Bradley 1784-CP
Allen Bradley 1784-CP
Allen Bradley 1784-CP
Allen Bradley 1784-CP
Allen Bradley 1784-CP FAQ
Q: What is the primary purpose of the Allen-Bradley 1784-CP cable?
A: The 1784-CP Allen Bradley is a legacy serial communication cable engineered to bridge the physical gap between vintage computer workstation interface cards and local automated controllers. Specifically, the 1784-CP allows engineers to upload, download, and troubleshoot logic code directly on classic industrial processors.
A: The 1784-CP Allen Bradley is a legacy serial communication cable engineered to bridge the physical gap between vintage computer workstation interface cards and local automated controllers. Specifically, the 1784-CP allows engineers to upload, download, and troubleshoot logic code directly on classic industrial processors.
Q: Which specific hardware families are compatible with the 1784-CP?
A: The 1784-CP Allen Bradley connects directly to the Peer Communication Interface port found on classic Allen-Bradley PLC-5 processors. On the computer terminal side, the 1784-CP mates with legacy ISA, MCA, or dedicated network interface modules including the 1784-KT, 1784-KT2, 1784-KTP, and 1784-KL cards.
A: The 1784-CP Allen Bradley connects directly to the Peer Communication Interface port found on classic Allen-Bradley PLC-5 processors. On the computer terminal side, the 1784-CP mates with legacy ISA, MCA, or dedicated network interface modules including the 1784-KT, 1784-KT2, 1784-KTP, and 1784-KL cards.
Q: What types of connectors are featured on the ends of the 1784-CP?
A: The 1784-CP Allen Bradley utilizes a unique asymmetrical connection design to prevent incorrect field wiring. The workstation interface card end of the 1784-CP features a 62-pin high-density D-sub male (HD62) connector, while the target processor end of the 1784-CP uses a standard 9-pin D-sub male (DB9) connector.
A: The 1784-CP Allen Bradley utilizes a unique asymmetrical connection design to prevent incorrect field wiring. The workstation interface card end of the 1784-CP features a 62-pin high-density D-sub male (HD62) connector, while the target processor end of the 1784-CP uses a standard 9-pin D-sub male (DB9) connector.
Q: Can the 1784-CP be plugged directly into a modern laptop standard COM port?
A: No, the 1784-CP Allen Bradley cannot be connected to a standard RS-232 COM port or a generic USB-to-Serial converter because its 62-pin HD62 connector requires the specialized pinned backplane architecture found only on the companion 1784-series interface cards. Forcing a connection without the matching card will cause the 1784-CP Allen Bradley to fail to route data.
A: No, the 1784-CP Allen Bradley cannot be connected to a standard RS-232 COM port or a generic USB-to-Serial converter because its 62-pin HD62 connector requires the specialized pinned backplane architecture found only on the companion 1784-series interface cards. Forcing a connection without the matching card will cause the 1784-CP Allen Bradley to fail to route data.
Q: What are the physical dimensions and structural build specs of the 1784-CP?
A: The standard manufacturing specification for the 1784-CP Allen Bradley mandates a total length of 10.5 feet (3.2 meters) to give field technicians flexible movement inside control rooms. Additionally, the 1784-CP features high-density molded overstrain relief joints and dual-end thumb-screw fasteners to survive intense machine vibration.
A: The standard manufacturing specification for the 1784-CP Allen Bradley mandates a total length of 10.5 feet (3.2 meters) to give field technicians flexible movement inside control rooms. Additionally, the 1784-CP features high-density molded overstrain relief joints and dual-end thumb-screw fasteners to survive intense machine vibration.
Q: How does the 1784-CP handle signal noise on the factory floor?
A: The 1784-CP Allen Bradley is built with heavy industrial-grade aluminum foil shielding wrapping its internal multi-core copper conductors. This protective layer allows the Allen Bradley communication cable to isolate low-voltage data signals from surrounding electromagnetic interference (EMI) and radio frequency noise generated by heavy factory machinery.
A: The 1784-CP Allen Bradley is built with heavy industrial-grade aluminum foil shielding wrapping its internal multi-core copper conductors. This protective layer allows the Allen Bradley communication cable to isolate low-voltage data signals from surrounding electromagnetic interference (EMI) and radio frequency noise generated by heavy factory machinery.
Q: What is the current manufacturing and availability status of the 1784-CP?
A: Rockwell Automation has officially discontinued the entire 1784-CP Allen Bradley production line, classifying the item as obsolete. Brand-new factory units are no longer in production, but you can purchase fully tested and verified 1784-CP stock directly from us to meet your system replacement or spare parts needs.
A: Rockwell Automation has officially discontinued the entire 1784-CP Allen Bradley production line, classifying the item as obsolete. Brand-new factory units are no longer in production, but you can purchase fully tested and verified 1784-CP stock directly from us to meet your system replacement or spare parts needs.
Q: Can a 1784-CP7 adapter be combined with this cable assembly?
A: Yes, a 1784-CP Allen Bradley adapter can be used to adapt older 9-pin connections associated with the 1784-CP Allen Bradley architecture down to newer 8-pin mini-DIN ports found on select communication daughterboards. However, technicians must ensure configuration steps match the manual exactly, as improper nesting with a 1784-CP Allen Bradley setup can result in mismatched pin configurations.
A: Yes, a 1784-CP Allen Bradley adapter can be used to adapt older 9-pin connections associated with the 1784-CP Allen Bradley architecture down to newer 8-pin mini-DIN ports found on select communication daughterboards. However, technicians must ensure configuration steps match the manual exactly, as improper nesting with a 1784-CP Allen Bradley setup can result in mismatched pin configurations.
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