This Flexy extension card increase the connectivity capability of the Ewon Flexy with 2 serial ports.
The dual serial port extension card off ers OEMs and system integrators the ability to interconnect and retrieve data from serial devices. As a transparent gateway, the Ewon Flexy is the link between any serial devices or PLCs and the Ethernet LAN. As a data acquisition gateway, the Ewon polls the serial devices at defined intervals to feed its internal memory tags with live and time-stamped data.
It is compatible with the Ewon Flexy 10x series, 20x series and 205.
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RS232/485/422 Port |
RS232 Port |
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| Number of ports | 1 | 1 |
| Physical mode | RS232/422/485, configurable by dip switch | RS232 |
| Connector | SUBD9 (male) | SUBD9 (male) |
| Operating temp. | -25 to +60°C | -25 to +60°C |
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CE |
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| FCC/IC |
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| Japan |
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| Safety |
Conform to :
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Dip Switch Configuration of Port S1
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RS232 (ex-factory) All six switches OPEN (pressed in on OPEN side, raised out on numbers side) |
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RS485 Switches 1 to 4 CLOSED (pressed in on numbers side, raised out on OPEN side) Remaining 2 switches see terminations (below) |
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RS422 Switch 1 CLOSED (pressed in on numbers side) Switches 2 to 4 OPEN (pressed in on OPEN side, raised out on numbers side) Remaining 2 switches see terminations (below) |
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| Terminations (RS485/422) Activated: Switches 5 & 6 BOTH CLOSED (pressed in on numbers side) | ![]() |
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Configurable Port S1: Port S1 is configurable by dip switch in 3 different physical modes RS232, RS422 and RS485.

Configurable Port S2: Port S2 Is RS232 only.
