Description
Yokogawa ADV142-P03 AC Digital Input Module
Configured for AC discrete signal acquisition in CENTUM VP systems, the Yokogawa ADV142-P03 (ADV142 AC Digital Input Module) provides direct physical/electrical execution. The module processes 200 to 240 VAC field inputs through 16 isolated channels with common isolation every 8 channels and supports ON/OFF state monitoring together with pushbutton edge counting functions.
Suffix Breakdown & Model Matrix
| Model Segment |
Description |
| ADV142 |
AC Digital Input Module |
| -P03 |
200 to 240 VAC input specification variant |
Hardware Specifications
| Parameter |
Specification |
| Model |
ADV142-P03 |
| Brand |
Yokogawa |
| Origin |
Japan |
| Product Type |
AC Digital Input Module |
| Number of Channels |
16 |
| Input Signal Type |
AC digital input |
| Signal Isolation |
Common isolation every 8 channels |
| Rated Input Voltage |
200 to 240 VAC, 50/60 Hz |
| Input ON Voltage (Peak) |
160 VAC (226 V peak) to 264 VAC (373 V peak) |
| Input OFF Voltage (Peak) |
40 VAC (56 V peak) maximum |
| Input Current (Typical) |
6.2 mA per channel at 240 V / 60 Hz |
| Input Current (Maximum) |
9.3 mA per channel |
| Input Response Time |
160 ms maximum |
| Minimum ON Detection Time |
200 ms |
| Maximum ON/OFF Cycle |
2.5 Hz |
| Withstanding Voltage |
2 kVAC for 1 minute (signal to system), 1.35 kVAC between commons |
| Power Consumption |
500 mA at 5 VDC |
| Weight |
0.3 kg |
| Dimensions |
Not specified in supplied data |
| Operating Temp |
Not specified in supplied data |
| Redundancy Support |
Dual redundant configuration supported |
Channel Isolation and DCS Signal Handling
The ADV142-P03 implements channel grouping isolation every 8 channels to separate high-voltage AC field signals from internal control circuitry within CENTUM VP I/O architectures. The module supports discrete status acquisition for 200 to 240 VAC process contacts while maintaining electrical separation between isolated commons.
Input processing includes ON/OFF state validation and pushbutton pulse detection for low-frequency transition monitoring up to 2.5 Hz. Isolation barriers are designed for direct integration into distributed process control cabinets where mixed-voltage field termination and grounded AC sensing loops are present.
Frequently Asked Questions
Q: Does the ADV142-P03 support redundant I/O operation?
A: Yes. The module supports dual redundant configuration within compatible Yokogawa CENTUM VP system architectures.
Q: Can the module detect short-duration pulse transitions from pushbuttons?
A: Yes. The specified minimum ON detection time for pushbutton input processing is 200 ms, with a maximum ON/OFF cycle rate of 2.5 Hz.
Q: What isolation structure is used for the input channels?
A: The module provides common isolation for every 8 input channels. Signal-to-system dielectric withstand voltage is rated at 2 kVAC for 1 minute.
Field Installation Guidelines
-
Verify field input voltage before energizing terminal circuits. The module is intended for 200 to 240 VAC discrete input signals only.
-
Maintain separation between AC input wiring and low-level analog or communication cables inside the cabinet to reduce induced noise coupling.
-
Connect cable shields according to plant grounding standards and terminate shields at a single grounding reference point where applicable.
-
Confirm backplane seating and locking engagement before applying system power in redundant node configurations.
-
Use properly rated terminal blocks and insulation spacing for high-voltage AC field wiring.
-
Perform insulation resistance checks on field loops prior to module insertion when commissioning new installations.
