Yokogawa SNT401-53 Optical ESB Bus Repeater Module

FAQ

Q1: What is the main function of the SNT401 module?
A1: The SNT401 converts ESB Bus signals into optical signals to extend transmission distance.

Q2: What connection methods are supported?
A2: It supports both star and chain type connections.

Q3: How far can the ESB Bus be extended with SNT401?
A3: Up to 5 km for two stages, or up to 10 km in a Vnet/IP system R1.03 or later.

Q4: Does the SNT401 include a terminator?
A4: It is available in two variants: with or without a terminator.

Q5: How much current does the SNT401 consume?
A5: The typical current consumption is 0.5 A.

Q6: What are the dimensions and weight of the SNT401?
A6: The dimensions are 142.5 x 130 x 32.8 mm, and the weight is approximately 0.3 kg.

Q7: Can the SNT401 be used in high-temperature environments?
A7: Yes, models with ISA G3 standard are rated for –20 to 70 °C for maintenance purposes.

Q8: What modules can the SNT401 connect to?
A8: It connects to ESB Bus Coupler (SEC401/402) or Interface Module (SSB401) on the master side, and to SNT501 or S2EN501 on the slave side.

Optical ESB Bus Repeater Module SNT401 SNT401-53 Yokogawa

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