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Green rectangular circuit board with screw terminals and rail-mount clips

LORDWORLD

LORDWORLD Galvanic Isolated TTL to RS232 Rail-Mount Development Board

SKU CH-T5Z0-M75HQ

Rail-mount board converts TTL signals to RS232 with galvanic isolation, TVS surge suppression and 3.3 V to 5 V power input

  • Converts TTL signals to RS232 for full-duplex communication
  • Accepts 3.3V to 5V TTL levels with anti-reverse and over-voltage protection
  • Integrated power isolation delivers stable voltage without an external supply for the isolated side
  • Digital signal isolation ensures high reliability and strong anti-interference performance
  • Onboard TVS diodes suppress surge and transient spikes for lightningproof and anti-electrostatic protection

Galvanic-Isolated TTL-to-RS232 Board

The LORDWORLD rail-mount board converts 3.3 V to 5 V TTL signals into RS232 levels with full-duplex operation. Onboard unibody power isolation and digital isolation remove the need for an external isolated supply while suppressing noise. Integrated TVS diodes and protection diodes guard against surges, transients and over-voltage events. A screw terminal accepts 3.3 V to 5 V DC input for simple wiring.

Suits industrial prototypes needing robust serial

Engineers building PLC interfaces, sensor gateways or legacy equipment adapters benefit from the isolation and surge protection. The module is not for designs that require differential signalling, multi-drop networks, or USB, Ethernet or wireless interfaces. It also does not address applications needing protocol conversion beyond the physical layer.

232 interface with 3.3 V–5 V TTL compatibility

The single specification that decides fit is the RS232 physical layer paired with 3.3 V to 5 V TTL tolerance. If the target system uses this voltage range and requires galvanic isolation on a DIN rail, the board matches; otherwise a different interface or voltage domain is required.

Besonderheiten

  • Converts TTL signals to RS232 for full-duplex communication
  • Accepts 3.3V to 5V TTL levels with anti-reverse and over-voltage protection
  • Integrated power isolation delivers stable voltage without an external supply for the isolated side
  • Digital signal isolation ensures high reliability and strong anti-interference performance
  • Onboard TVS diodes suppress surge and transient spikes for lightningproof and anti-electrostatic protection

Technische Daten

BrandLORDWORLD

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Will the onboard TVS and protection diodes need scheduled replacement after repeated surge events?

The TVS and protection diodes are surface-mount components rated for transient suppression; they are not user-serviceable and the board has no indicator for cumulative surge damage.

What limits continuous full-duplex throughput on the RS232 side?

The converter follows the TTL/RS232 standard and the RS232 line driver sets the practical signalling ceiling; sustained traffic at the maximum standard rate will be the first bottleneck.

How much heat does the unibody isolation section generate when powered at 3.3 V all day?

The unibody power-supply and digital isolation run at low power consumption, so the board stays cool to the touch during continuous 3.3 V operation.

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