Introduction
The Yokogawa NFDR541‑P00 S2 Relay Output Module is a discrete control interface designed for use with Yokogawa STARDOM and compatible autonomous controller platforms. It provides multiple isolated relay outputs capable of switching external devices such as alarms, contactors, and solenoid‑driven actuators based on logic decisions from a host controller. With industrial contact ratings and galvanic isolation, this module ensures dependable operation in automation, process, and machine control environments.
Technical Specifications
| Specification | Details |
|---|---|
| Manufacturer | Yokogawa Electric Corporation |
| Model Number | NFDR541‑P00 S2 |
| Module Type | Relay Output Module |
| System Compatibility | Yokogawa STARDOM, FCN/FCJ autonomous controllers |
| Output Channels | 4 relay outputs |
| Output Configuration | Form‑A (normally open) relay contacts |
| Contact Rating | Typically 3 A @ 250 VAC / 30 VDC |
| Contact Material | Industrial silver alloy |
| Isolation | Relay‑to‑system galvanic isolation |
| Supply Voltage | Powered by system backplane |
| Switching Speed | Millisecond‑range switching |
| Operating Temperature | –10 °C to +55 °C |
| Storage Temperature | –40 °C to +85 °C |
| Humidity | 5 % – 95 % RH (non‑condensing) |
| Mounting | Base module rack or chassis |
| Weight | Approx. 0.2–0.4 kg |
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