Yokogawa engineered the AAP849-S00 as a multifunctional I/O module for CENTUM VP and CENTUM CS 3000 systems. This unit combines pulse input capabilities with integrated analog output functionality. It serves applications requiring both flow measurement and control signal generation.
Key Technical Specifications
The AAP849-S00 module features a compact housing suitable for DIN rail or panel mounting. It measures 107 millimeters in height and 130 millimeters in depth. This unit weighs approximately 0.35 kilograms for flexible installation.
| Specification | Detail |
|---|---|
| Model Number | AAP849-S00 |
| Module Type | Pulse Input / Analog Output Module |
| Pulse Input Channels | 8 isolated pulse input channels |
| Input Frequency | 0 to 10 kHz |
| Minimum Pulse Width | 40 microseconds |
| Input Signal Level | High: 3-24 V DC; Low: -1 to 8 V DC; Swing >3V |
| Analog Output Channels | 8 isolated analog output channels |
| Output Range | 4 to 20 mA |
| Resolution | 14 bits |
| Isolation | 500 V AC between channels and system |
| Data Update Period | 2 milliseconds (pulse input); 10 milliseconds (analog output) |
| Transmitter Power | 12 V DC ±10% (40 mA max) or 24 V DC ±10% (30 mA max) |
| Dimensions | 107 x 33 x 130 mm (H x W x D) |
| Weight | 0.35 kg |
Moving to connectivity, this module provides eight pulse input channels and eight analog output channels. You connect flow meters, encoders, and actuators directly to the terminal blocks. Consequently, the design supports closed-loop control applications within a single module.
Design and Application Focus
Engineers select the AAP849-S00 for its integrated pulse counting and analog output capabilities. The design includes 500 V AC isolation to protect the system from electrical noise. Furthermore, the pulse input section handles frequencies up to 10 kHz with 40-microsecond minimum pulse width. This feature ensures precise counting for high-speed encoder and flow measurement applications.
Unlike separate I/O modules, this unit combines both functions into one compact assembly. You can configure each pulse input channel for contact closure, voltage pulse, or current pulse inputs. Additionally, the 14-bit analog outputs provide precise 4-20 mA control signals for valves and actuators.
Details
| Weight | 0.7 kg |
|---|---|
| Dimensions | 2.5 × 20.3 × 15.2 mm |
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