Description
Yokogawa ADV169-P50 Digital Input Module
Configured for contact status signal acquisition in CENTUM and related DCS backplane architectures, the Yokogawa ADV169-P50 (ADV169 Digital Input Module) provides direct physical/electrical execution. The module accepts 64-channel discrete input signals and transfers field status conditions through transistor contact output logic with isolated channel handling.
Suffix Breakdown & Model Matrix
| Model Segment |
Description |
| ADV169 |
Digital Input Module base model |
| -P50 |
Factory-defined suffix variant for module configuration |
Hardware Specifications
| Parameter |
Specification |
| Model |
ADV169-P50 |
| Brand |
Yokogawa |
| Product Type |
Digital Input Module |
| Input Channels |
64-channel input |
| Input Signal OFF State |
100 kOhm or more |
| Input Signal ON State |
200 Ohm or less |
| Input Response Time |
8 ms |
| Output Type |
Transistor contact |
| Output Response Time |
16 ms or less |
| Signal Isolation |
Isolated channels |
| Pushbutton Input Function |
Not supported |
| Maximum Current Consumption |
800 mA at 5 VDC |
| Weight |
Approx. 0.30 kg |
| Mounting Method |
Control unit installation |
| Origin |
Japan |
| Power Consumption |
5 VDC backplane supply |
Channel Isolation and DCS Signal Handling
The ADV169-P50 module implements channel isolation between field-side discrete status circuits and internal control processing sections. Isolation architecture reduces conductive interference transfer between adjacent input groups during simultaneous switching operations.
The module processes dry-contact and contactor-derived voltage status signals through threshold-based ON/OFF resistance discrimination. OFF-state recognition occurs at 100 kOhm or higher, while ON-state recognition is executed at 200 Ohm or lower. This method supports stable discrete state interpretation within DCS cabinet wiring environments containing mixed inductive loads.
Frequently Asked Questions
Q: Does the ADV169-P50 support hot swapping during energized backplane operation?
A: Hot-swap capability is not specified in the provided technical data. Module replacement procedures should follow the control station maintenance manual and site isolation procedures.
Q: What type of field signals can be connected to the module inputs?
A: The module is intended for contactor voltage status signals and discrete contact-state monitoring using resistance-based ON/OFF detection thresholds.
Q: Are the input channels electrically isolated?
A: Yes. The module specifications indicate isolated channel construction for field signal separation.
Field Installation Guidelines
-
Route discrete input wiring separately from high-current motor feeder cables and inverter output conductors.
-
Maintain shield grounding at a single cabinet-side termination point to reduce ground loop current circulation.
-
Verify terminal torque values according to the associated Yokogawa control cabinet documentation before energization.
-
Confirm 5 VDC backplane power availability and current budget before module insertion into populated racks.
-
Use labeled ferrules and segregated terminal grouping for multi-channel field status circuits to simplify maintenance tracing.
