The Schneider Electric TSXSCP114, also cataloged as the TSXSCP114 Communication Module, operates as a dedicated hardware component for serial data transmission within Modicon Premium Automation platform networks. Formatted as a Type III PCMCIA card, this interface executes asynchronous character mode, Modbus, and Uni-Telway protocol drivers directly from a host controller slot or co-processor interface. The unit provides physical layer conversion and logic-side line isolation to establish point-to-point or multipoint topologies with field devices.
| Parameter | Specification |
|---|---|
| Model | TSXSCP114 |
| Brand | Schneider Electric |
| Origin | France |
| Weight | 0.105 kg (0.231 lbs) |
| Dimensions | Type III PCMCIA card standard |
| Operating Temp | 0 to 60 deg C |
| Power Consumption | 150 mA at 5 VDC (~0.5 W) |
| Physical Interface | RS-485 / RS-232C |
| Communication Speed | 300 to 19200 baud |
| Data Format | 7 or 8 data bits, 1 or 2 stop bits |
| Parity Options | None, even, odd |
| Number of Ports | 1 serial port |
| Connector Type | 9-pin SUB-D female |
| Isolation | Optical isolation between bus and serial link |
| Cable Length Limits | Up to 15 m (RS-232C), up to 1000 m (RS-485) |
This Schneider Electric communication card inserts directly into the processor infrastructure to optimize data packet throughput without intermediate protocol gateways. The hardware structure maintains full firmware flash compatibility with Premium processors and Atrium co-processors, enabling immediate identification upon backplane initialization. By handling serial character frames at the hardware layer, the module offloads cyclic task overhead from the central processing unit, maintaining deterministic backplane bus communication velocity during intensive multipoint query cycles.
Q: How does the choice of physical layer interface impact the maximum transmission distance of the serial link?
A: When configured for RS-232C point-to-point signaling, transmission paths must remain within 15 m. Switching the physical layer configuration to RS-485 balances the line differential, allowing signal extension up to 1000 m over twisted-pair lines.
Q: What protective isolation mechanisms prevent electrical transients from tracking back into the Premium processor card slot?
A: The card implements onboard optical isolation between the internal rack backplane bus and the external serial link connector pins to stop high-voltage field spikes from degrading internal logic components.
Q: Can the serial interface parameters be adjusted dynamically without reloading the master PLC application firmware?
A: Serial parameters including baud rate (300 to 19200 baud), data bit routing, and parity selection are managed through configuration registers, which align with standard platform scaling requirements.
Engineers must ensure the host Modicon Premium processor or co-processor is completely powered down before inserting the Type III PCMCIA card into its designated slot. Align the card tracks carefully and press firmly until the mechanical extraction lever clicks forward into its locked state.
Secure the external 9-pin SUB-D female connector interface to the card port using standard thumbscrews. Technicians must route the communication lines through low-voltage cable paths, maintaining physical separation from three-phase motor supply lines and inductive switching paths to mitigate cross-talk.
When utilizing the RS-485 multipoint configuration, install appropriate termination resistors across the signal lines at the physical end of the cable run to match line impedance and minimize data signal reflections. Connect the overall braided cable shield directly to the central enclosure ground bar.
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