
INSTALLATION | 2 |
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RS232 Interface
The serial interface is used in this case for
The following pins are used for RS232 interface connection:
Pin | Name | Function |
2 | TX232 | transmit data |
3 | RX232 | receive data |
4 | SGND | signal ground |
It is always advisable to use shielded cables. The overall maximum cable length must be less than 15 m (49.2 ft).
DS1500 |
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| USER INTERFACE | |||||||||||
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| 2 | TX232 |
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| RXD |
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| 3 | RX232 |
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| TXD | ||
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| 4 | SGND |
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| SGND | |
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| 13 |
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| SHIELD | |||
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| Earth Ground |
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Figure 7 – RS232 Main Interface Connections |
The pin 13 of the SHIELD line is not internally connected to the chassis.
NOTE
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