AAP135-S53/K4A00 Yokogawa CENTUM VP Datasheet & Technical Manual

Yokogawa AAP135-S53/K4A00 CENTUM VP Pulse Input Module

Yokogawa AAP135-S53/K4A00 CENTUM VP Pulse Input Module

Disponibilidad: 20 Quedan en stock

Yokogawa AAP135-S53/K4A00 Pulse Input Module The Yokogawa AAP135-S53/K4A00, also cataloged as the AAP135 Pulse Input Module, operates as a dedicated...

Código: AAP135-S53/K4A00

Manufacturer: Yokogawa
Product No.: AAP135-S53/K4A00
Product Type: Pulse Input Modules
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 300g
Shipping port: Xiamen
Warranty: 12 months

Descripción Reseñas

Yokogawa AAP135-S53/K4A00 Pulse Input Module

The Yokogawa AAP135-S53/K4A00, also cataloged as the AAP135 Pulse Input Module, operates as a dedicated hardware component for pulse counting and frequency measurement within Yokogawa CENTUM VP and CS 3000 distributed control systems. Configured with 8 galvanically isolated input channels, the module processes pulse trains ranging from 0 to 10 kHz generated by turbine meters, Coriolis flowmeters, and rotary encoders. The unit includes the factory-installed ATK4A-00 KS cable interface adapter (/K4A00), enabling direct signal routing to external terminal boards via standard KS cable assemblies.

Suffix Breakdown & Model Matrix

Suffix / Option Code	Specification	Functional Description
AAP135	Base Model	8-channel isolated pulse input module (0 to 10 kHz)
-S	Standard Type	Standard operational signal range and response processing
5	Non-Explosionproof	Standard enclosure design without explosion protection
3	Special Specification	Specialized hardware variant/conformal coating specification
/K4A00	Interface Adapter Option	Includes ATK4A-00 KS cable adapter for direct connection to terminal boards

Hardware Specifications

Parameter	Specification
Model	AAP135-S53/K4A00
Brand	Yokogawa
Origin	Japan
Weight	0.3 kg net (1.5 kg shipping)
Dimensions	130 mm W x 30 mm H x 100 mm D
Operating Temp	-20 to +60 deg C
Power Consumption	Passive input processing (drawn via backplane bus)
Number of Channels	8 isolated pulse channels
Input Frequency	0 to 10 kHz per channel
Input Signal Types	Contact ON/OFF, Voltage pulse, Current pulse
Minimum Pulse Width	40 us
Isolation Voltage	Channel-to-channel and module-to-system, 500 VAC for 1 minute
Wiring Interface	K4A00 terminal block or MIL connector via ATK4A-00 KS adapter

4-20 mA HART Loop Protocol & Channel-to-Channel Isolation Integration

The AAP135-S53/K4A00 pulse input module incorporates 500 VAC channel-to-channel galvanic isolation barriers to prevent noise coupling across high-density I/O racks. When installed alongside analog I/O modules operating on 4-20 mA HART loop protocol carrier frequencies, the isolated input stage eliminates ground loops and suppresses high-frequency common-mode interference. The high-speed optocoupler circuitry captures steep square waves and mechanical contact transitions down to a minimum pulse width of 40 us, preserving precise totalizer counts and CJC (cold junction compensation) reference accuracy across adjacent process measurement channels.

Frequently Asked Questions

Q: What minimum pulse width is required for the AAP135-S53/K4A00 to reliably register high-frequency signals?

A: The onboard signal conditioning logic requires a minimum pulse width of 40 us per transition across its 0 to 10 kHz operating frequency range to ensure complete pulse detection and accurate counter register updates.

Q: How does the /K4A00 option code affect field wiring connections?

A: Option code /K4A00 integrates the ATK4A-00 KS cable interface adapter directly onto the front connector of the module, converting individual wire terminal connections into a dedicated cable interface compatible with Yokogawa terminal boards.

Q: Is channel-to-channel isolation present across all 8 pulse inputs?

A: Yes. The module features complete individual channel-to-channel and channel-to-system galvanic isolation rated at 500 VAC for 1 minute, isolating distinct field transmitters from potential ground loop voltages.

Field Installation Guidelines

Interface Adapter Seating: Secure the ATK4A-00 KS adapter locking tabs firmly onto the module front connector before inserting the card into the CENTUM VP I/O backplane slot.
Shield Grounding Terminal: Terminate all pulse transmitter cable shields to the cabinet ground bar at one end only to prevent noise induction on high-frequency (10 kHz) signal lines.
Cable Separation Bounds: Route field pulse input wiring in separate wire channels away from high-voltage AC lines or inductive motor control wiring by a minimum distance of 300 mm.
Pulse Signal Level Verification: Confirm that incoming voltage or contact pulse amplitudes meet the input threshold limits prior to system commissioning to avoid dropped pulse counts.

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