Introduction
The Yokogawa ADV869 Digital I/O Module is a versatile, high‑performance interface unit designed to handle both digital input and output signals within Yokogawa distributed control systems (DCS) such as CENTUM VP and RIO architectures. By consolidating discrete signal acquisition and discrete control in a single module, the ADV869 streamlines cabinet space and simplifies wiring while maintaining fast, reliable communication with the host system. Its industrial‑rated design ensures dependable operation under demanding plant conditions, supporting applications that require accurate logic processing, alarm handling, and discrete device control.
This module is ideal for process industries where flexible and robust digital interfacing enhances automation efficiency and operational visibility.
Technical Specifications
| Specification | Details |
|---|---|
| Manufacturer | Yokogawa |
| Model Number | ADV869 |
| Module Type | Digital I/O Module (Combined Inputs & Outputs) |
| Input Points | 8 Discrete Inputs |
| Output Points | 8 Discrete Outputs |
| Input Signal Level | 24 VDC Standard Logic |
| Output Signal Level | 24 VDC Sourcing (system configured) |
| Isolation | Channel‑to‑backplane electrical isolation |
| Status Indicators | LED per input/output channel |
| Response Time | Typical industrial rate (ms class) |
| Operating Temperature | 0 °C to 55 °C |
| Storage Temperature | ‑20 °C to 70 °C |
| Humidity | Up to 95 % non‑condensing |
| Mounting | Yokogawa I/O chassis or distributed rack bay |
| Dimensions | Approx. 135 × 35 × 110 mm |
| Weight | Approx. 0.22 kg |
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