SYSTEM-90E can be equipped with up to 8 RS232 interfaces for communicating with other
devices. To accomplish this, the SDC-3 module with 2 interfaces is used.
Both interfaces can be configured to have various functions.
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Programming host
- Testing of programs
- Putting hardware units into operation
- Loading and storing of memory contents
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pNET online communication
- Online data exchange with other devices via the pNET protocol |
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Freely programmable protocol interfaces
- Program-controlled communication with external devices |
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HMI control
- Application program based control of various operator panels
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| Technical specifications |
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Electrical interface: |
RS232 |
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Transmission method: |
asynchronous |
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Data format: |
7 or 8 data bits
1 or 2 stop bits
even, odd or no parity check,
settable via system parameters |
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Character code: |
ASCII, binary |
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Baud rate: |
1200 to 115200 baud |
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Handshake: |
RTS-CTS |
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Character buffer: |
256 bytes for send and receive
position respectively |
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| Technical specifications subject to change without notice. |
