I. Basic Information

Model: cFP-AO-200 (often written as CFP-AO-200)

Manufacturer: National Instruments (NI)

Series: Compact FieldPoint (cFP) I/O

Status: Obsolete (Out of Production) NI

Alternative Models: NI-9266 (C Series, 8-channel current output) NI

Position: 8-channel 4-20mA current loop control, for driving control valves, frequency inverters, and display instruments

II. Core Specifications (Current Output Special Feature)

Channels: 8 channels of current output (single-ended)

Resolution: 12-bit DAC

Total update rate: 200 Hz (for all channels)

Output range (software selectable):

4–20 mA (standard) 0–20 mA

Can exceed the range to -0.5 ~ 24 mA

Accuracy: ±(0.1% reading + 0.1% range)

Load capacity: Maximum 750 Ω per channel (powered externally by 24 VDC)

External power supply: 5–24 VDC (for current loop)

Isolation: I/O and backplane 2300 Vrms transient isolation; no channel-to-channel isolation

Protection: Short-circuit protection, open-circuit detection (per channel with LED indication) NI

Diagnosis: Open-circuit / short-circuit alarm, over-range detection, channel status LED

III. Environment and Mechanics

Operating temperature: -40 °C ~ +70 °C (industrial wide temperature range)

Humidity: 10%–90% RH, no condensation

Size: 127 × 66 × 24 mm (5.00 × 2.60 × 0.94 in)

Weight: Approximately 110 g (3.7 oz)

Installation: cFP-BP-4 / BP-8 backplane, hot-swappable (HotPnP) NI

Terminal base: FP-TB-10 (16 pins, dedicated for current loop)

IV. Typical Applications of cFP-AO-200

Process control: 4–20mA control valves, proportional valves, frequency converter control

Instrument drive: 4–20mA display meters, recorders, data collectors

Industrial automation: Closed-loop control of flow / pressure / level loops

With cFP-AI-111: 16 inputs + 8 outputs, forming a complete process control station