AAP849-S00 Yokogawa Pulse Analog Module

8-Channel Pulse Analog Module | Yokogawa AAP849-S00

8-Channel Pulse Analog Module | Yokogawa AAP849-S00

Availability: 10 left in stock

Yokogawa AAP849-S00 CENTUM VP Pulse Input / Analog Module Configured for precise frequency processing in CENTUM VP control systems, the...

SKU: AAP849-S00

Manufacturer: Yokogawa
Product No.: AAP849-S00
Product Type: Analog Input Modules
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 700g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Yokogawa AAP849-S00 CENTUM VP Pulse Input / Analog Module

Configured for precise frequency processing in CENTUM VP control systems, the Yokogawa AAP849-S00 (AAP849 Pulse Input / Analog Module) provides direct physical/electrical execution across 8 pulse input and 8 analog output channels. The module acquires pulse train inputs up to 50 kHz, executing single-pulse width measurement and cumulative counting up to 999,999,999 counts. The internal signal conversion stage transforms high-frequency pulse data into 4-20 mA analog output loops for downstream process actuators and monitoring sub-assemblies. Integrated channel-to-channel isolation prevents electrical noise and potential offsets from degrading backplane communications.

Hardware Specifications

Parameter	Specification
Model	AAP849-S00
Brand	Yokogawa
Origin	Japan
Weight	0.70 kg
Dimensions	130 x 120 x 30 mm
Operating Temp	0 to +50 deg C
Power Consumption	7.3 W maximum (1460 mA at 5 VDC)
Pulse Input Channels	8 channels
Analog Output Channels	8 channels
Input Signal Type	Pulse (frequency and count)
Output Signal Type	4-20 mA DC analog signal
Frequency Range	Up to 50 kHz
Counting Range	0 to 999,999,999 counts
Output Load Resistance	250 ohm nominal
Signal Isolation	Optical isolation (1500 VAC dielectric withstand)
Mounting Type	Field Control Unit base plate
Protection Rating	IP20

Process Loop & Signal Isolation Characteristics

The hardware features channel-to-channel optical isolation rated for 1500 VAC dielectric withstand, specifically designed to operate alongside 4-20 mA HART loop protocol architectures. Internal optical isolation decouples field-side grounding paths from the central processing logic, eliminating common-mode noise corruption during high-speed pulse acquisition. The module processes analog output conversions while executing continuous onboard diagnostics to verify circuit health and signal line continuity across all field wiring connections.

Frequently Asked Questions

Q: Does the AAP849-S00 support live insertion and removal during controller operation?

A: The module supports hot-swapping on active base plates. Technicians can replace the card without interrupting the Field Control Unit execution cycle, provided the multi-pin terminal connector is disengaged cleanly.

Q: What precautions are necessary regarding pulse input signal wiring?

A: High-frequency pulse lines up to 50 kHz require twisted-pair shielded cabling. Ground the braid shield at a single point on the cabinet earthing bar to prevent electromagnetic interference from inducing stray counts.

Field Installation Guidelines

Isolate external 24 VDC auxiliary loop supplies before inserting or disconnecting the module terminal interface.
Align the module circuit board edge with the designated slot guide rails inside the Field Control Unit rack.
Slide the card into the backplane connector until the upper and lower retaining levers lock securely.
Fasten field wiring connectors tightly to the front plate interface to ensure low-impedance electrical contact.
Ground all cable shields to the system cabinet earthing bus using dedicated grounding clamps to prevent ground loops.
Maintain a minimum separation distance of 200 mm between pulse signal cables and high-voltage AC power distribution lines.

What's clients say about us

Excellent Emergency Support!

Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

Mark Thompson

Maintenance Manager, USA

Reliable Source for New Spares

Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.

Robert Hoffmann

Engineering Lead, Germany

Top-tier Service and Quality

We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.