Fanuc Pc I/O Board A16B-2200-0957 A16B22000957 A16B-22OO-O957

FANUC A16B-2200-0957 80/56 Sink I/O Board for F16/18

Where a control system needs a defined digital input and output structure, the I/O board is one of the first boards that must match exactly.

The FANUC A16B-2200-0957 is an I/O board configured for 80 digital inputs and 56 digital outputs, built in sink type, and specified without high-speed skip for 16/18 model A control use.

It is also described as an F16/18 I/O board and appears on 16-A systems such as FS 16-MA, alongside the A16B-2200-0900 CPU card and A16B-1212-0470 in one documented hardware example.

Because the I/O count and interface type are clearly defined for this model, it is a practical replacement choice when the machine already uses the same 80/56 sink layout and does not require the high-speed skip option.

That makes the part especially suitable for exact board-for-board replacement in established 16/18-A control cabinets.

Technical Data

Typical Applications

A16B-2200-0957 is used in FANUC CNC systems where the control requires a fixed 80/56 digital I/O structure. It is a natural fit for machine I/O replacement, cabinet-level control repair, and maintenance of 16/18-A systems where the input/output layout must remain unchanged.

Since this board is a sink-type design and does not include the high-speed skip function, it is best matched to machines already built around that exact I/O configuration.

Why Choose This Product

This board makes sense when the machine already depends on the same 80 DI / 56 DO sink configuration and the goal is to restore the original I/O architecture without redesigning the cabinet logic.

The combination of defined input/output count, 16/18-A fit, and no-high-speed-skip layout makes it easier to match accurately than a generic I/O PCB.

FAQ

Q1. What type of board is the A16B-2200-0957?
It is an I/O board for F16/18 controls, configured as 80 DI / 56 DO, sink type, and without high-speed skip.

Q2. What does this board do in the system?
Its role is to manage the machine’s digital input and output interface. In system terms, it sits between the control and field-level machine signals, using an 80-input / 56-output layout for I/O handling within compatible 16/18-A control systems.

Q3. What should be checked when selecting A16B-2200-0957?
Check the part number, the I/O count, the signal type, and whether the machine requires high-speed skip. This model is specifically tied to 80 DI / 56 DO, sink type, and without high-speed skip, so all three points need to match the installed control. It is also associated with 16/18 model A systems.

Q4. How should the key specifications be understood?
“80 DI / 56 DO” defines the board’s signal capacity, “sink” defines the I/O style, and “without high-speed skip” separates it from related boards that include that option. These are selection-critical identifiers, not minor details.

Q5. How should faults be diagnosed before replacing this board?
A practical diagnosis starts by separating field-signal problems from board-level I/O faults. If multiple machine inputs or outputs fail in a pattern that aligns with the board’s I/O function, and field wiring has already been checked, the I/O board becomes a more likely fault point.