1771-ASB/E 1771-WB Allen Bradley Remote I / O Adapter Module

1771-ASB/E 1771-WB Allen Bradley Remote I/O Adapter Module

Product Specificaion

Product Details

The remote I/O adapter module serves as an interface between remote I/O modules and programmable controllers. The remote I/O adapter:

transmits data up to 10,000 cable-feet (at 57.6K baud)

provides faster backplane scanning and data transmission up 2500 cable-feet at 230.4K baud

receives/sends data from/to the I/O scanner in serial form

reads/writes data from/to the input modules in parallel form

reads/writes data from/to the output modules in parallel form

supports any mix of I/O (4, 6, 8, 16 or 32 points)

supports three methods of I/O addressing; 1/2-slot, 1-slot and 2-slot

checks I/O configuration on power-up to verify I/O module placement

scans all slots in the chassis, or all but the last four slots, allowing improved scan time and I/O image space savings. Slot power supplies can be used in the last quarter of the rack without using I/O space.

can emulate series B adapters, providing system response similar to the 1771-ASB series B. This allows use of 1771-S4A and -S4B scanners which require slower response for proper operation.

has enhanced diagnostic indicators for easier troubleshooting.

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