Description
Yokogawa ADV169-P01 Digital Input Module
Configured for discrete signal acquisition in Yokogawa CENTUM ST and ST6-compatible I/O architectures, the Yokogawa ADV169-P01 (ADV169-P01 Digital Input Module) provides direct electrical execution of 64-point 24 VDC contact/voltage inputs with grouped channel isolation for field signal termination and backplane interfacing. The module implements 16-channel galvanic separation blocks to reduce inter-channel coupling under mixed industrial wiring conditions. Signal processing is optimized for short-latency status acquisition within distributed I/O nodes connected via KS9 cabling to ST6 base hardware.
Suffix Breakdown & Model Matrix
Single defined ordering code only:
Hardware Specifications
| Parameter |
Specification |
| ModelBrand |
Yokogawa ADV169-P01 |
| Origin |
Not specified |
| Weight |
Approx. 0.30 kg |
| PowerConsumption |
800 mA at 5 VDC |
| I/O Channels |
64-channel digital input |
| Signal Type |
Contact input / Voltage input |
| Isolation |
Per 16 channels grouped isolation |
| Input OFF (Contact) |
>= 100 kOhm |
| Input ON (Contact) |
<= 200 ohm |
| Minimum ON Current |
1.25 mA |
| Voltage Input OFF |
4.5 to 25 VDC |
| Response Time |
<= 8 ms |
| Backplane Interface |
ST6 compatible |
| Field Connection |
KS9 dedicated cable |
Channel-to-Channel Isolation Architecture (DCS Input Layer Behavior)
The ADV169-P01 implements grouped galvanic isolation across 16-channel blocks within the digital input matrix. Each isolation segment decouples reference potential shifts between field wiring clusters, reducing cross-channel leakage under mixed dry-contact and voltage-input configurations. The input conditioning network is designed to maintain threshold stability across long cable runs typical of distributed ST6 I/O racks. KS9 cabling provides dedicated point-to-point termination between field junction assemblies and module terminal structure, limiting impedance mismatch across high-density channel aggregation.
Frequently Asked Questions
Q: Can the ADV169-P01 support hot-swap insertion in ST6 racks?
A: Hot-swap capability is dependent on the ST6 base system backplane implementation. The module itself does not define switching logic; electrical state retention is handled at system level.
Q: What is the effect of grouped isolation on input diagnostics?
A: Isolation per 16-channel block localizes fault propagation. A short or leakage condition is confined within the isolation segment and does not propagate across all 64 channels.
Q: Does the module require external pull-up or current limiting?
A: Input detection is specified for defined ON/OFF impedance thresholds; external circuit design must ensure minimum ON current of 1.25 mA is satisfied.
Field Installation Guidelines
Shielded field wiring shall be terminated with a single-point grounding scheme at the cabinet entry side to reduce ground loop formation across KS9 cabling. Signal cables must be segregated from power conductors to maintain input threshold stability under switching noise conditions. Each 16-channel isolation group should be independently verified for reference potential integrity before system energization. Connector seating force shall be checked to ensure full engagement of ST6-compatible backplane interface prior to powering the I/O node.
