The Yokogawa SARM55D, also cataloged as the SARM55D Relay Board for FIO, operates as a dedicated hardware component for relay output interface execution within Yokogawa FIO architecture platforms.
| Parameter | Specification |
|---|---|
| Model | SARM55D |
| Brand | Yokogawa Electric Corporation |
| Origin | Japan |
| Weight | 2.2 kg |
| Dimensions | 90 x 70 x 125 mm |
| Operating Temp | -10 to +50 deg C |
| Power Consumption | 2 W (Maximum) |
| System Platform | FIO (Field network I/O) |
| Input Voltage | 100-240 VAC, 50/60 Hz |
| Operating Range | 0 to 100 deg C |
| Resolution | 0.1 deg C |
| Accuracy | +/- 0.5 deg C |
| Response Time | Less than 1 second |
| Storage Temperature | -20 to +60 deg C |
| Humidity Range | 5 to 95% RH (non-condensing) |
| Communication Protocols | Modbus/TCP, Modbus/RTU, PROFIBUS-DP, CC-Link, DeviceNet |
This FIO terminal board hardware implements discrete loop isolation and digital data integration through channel-to-channel isolation matrices. The hardware interfaces directly with multi-protocol field architectures, maintaining electrical isolation between high-voltage field execution devices and internal backplane control logic. By incorporating direct galvanic separation barriers, the board routes current signals while preventing common-mode voltage spikes from inducing cross-talk or compromising system bus communication integrity.
Q: Does the terminal interface require a specific software utility for internal parameter mapping?
A: Yes, custom logic distribution and parameter configuration profiles require the implementation of the LL50A ladder programming tool via an authorized system interface connection.
Q: What grounding method is required to prevent loop signal corruption from electrical noise?
A: You must implement a dedicated low-impedance single-point shield ground connection directly to the main cabinet earth bus bar, ensuring power wiring stays physically separate from the data lines.
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