ADV869-P00 Yokogawa Digital Input Module

128-Channel Digital Input Module | ADV869-P00 Yokogawa

128-Channel Digital Input Module | ADV869-P00 Yokogawa

Availability: 10 left in stock

Yokogawa ADV869-P00 CENTUM VP Digital Input Module Configured for high-density signal acquisition in CENTUM VP control systems, the Yokogawa ADV869-P00...

SKU: ADV869-P00

Manufacturer: Yokogawa
Product No.: ADV869-P00
Product Type: Digital Input Modules
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 400g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Yokogawa ADV869-P00 CENTUM VP Digital Input Module

Configured for high-density signal acquisition in CENTUM VP control systems, the Yokogawa ADV869-P00 (ADV869 Digital Input Module) provides direct physical/electrical execution across 128 digital input channels. The hardware captures 24 VDC current-sink signals from field limit switches, pushbuttons, and relay interlock contacts across an ESB bus connection. Signal conditioning circuits divide channels into 16-channel isolated banks to isolate external electrical noise and prevent stray potential differences from corrupting system backplane communication. Integrated hardware timers execute pulse duration measurement and time-proportional input functions for process monitoring loops.

Hardware Specifications

Parameter	Specification
Model	ADV869-P00
Brand	Yokogawa
Origin	Japan
Weight	0.40 kg
Dimensions	130 x 100 x 30 mm
Operating Temp	-20 to +60 deg C
Power Consumption	10 W maximum
Input Type	Digital Input (Current sink, 24 VDC)
Number of Channels	128 channels
Signal Isolation	Common isolation per 16 channels
Rated Input Voltage	24 VDC
Input ON Voltage	18 to 26.4 VDC
Input OFF Voltage	5 VDC or lower
Nominal Input Current	4 mA per channel
Response Time	16 ms typical (adjustable pulse width 8 ms to 7200 s)
Mounting Type	Field Control Unit base plate / ESB node unit
Protection Rating	IP20

Process Loop & Signal Isolation Characteristics

The module incorporates robust channel-to-channel isolation architecture designed for 4-20 mA HART loop protocol environments and ultra-high-density digital field wiring. Galvanic isolation across each 16-channel group suppresses common-mode electrical noise, preventing ground loops from disrupting the backplane bus during high-frequency switching operations. The hardware offloads pulse width monitoring and signal debouncing tasks directly from the Field Control Unit CPU, ensuring deterministic execution of critical digital input logic within distributed process control nodes.

Frequently Asked Questions

Q: Does the ADV869-P00 support live insertion and removal during node operation?

A: Technicians can hot-swap the module on an active node without disrupting adjacent I/O modules or taking the Field Control Unit offline. Ensure the dedicated field wiring interface connector is unlatched cleanly to avoid transient signal bounces during removal.

Q: How does the 128-channel configuration handle isolation across field connections?

A: The 128 channels are partitioned into isolated 16-channel segments. Each segment shares a common minus terminal, isolating the group galvanically from other channel groups and the central system backplane.

Field Installation Guidelines

Turn off field loop power sources connected to the terminal block interface prior to attaching or disconnecting field cables.
Align the rear card guide edges of the module with the targeted slot inside the Field Control Unit or ESB extension node.
Push the card firmly into the chassis until the top and bottom mounting latches lock fully into position.
Dress all multi-conductor field input cables in designated cable ducts, maintaining a minimum clearance of 200 mm from high-voltage AC power lines.
Secure field cable shields to the main cabinet grounding bar with low-impedance grounding clamps, adhering to a single-point grounding topology to avoid ground loops.
Verify that total channel load current remains within power dissipation limits before applying 24 VDC field excitation power.

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