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GND of encoder cable can be connected to any pin among 1, 6, 8, 9.
VCC of encoder cable can be connected to either 2 or 7.
2.6.5 Definition of communication interface
The system has integrated RS232 serial interface, port adopts DB-9 plug
(male).
This RS232 is for upgrading system software only.
Terminal definition is shown in Table 2-6.
Table 2-6
Definition of communication terminal
Communication mode
Pin No.
Signal definition
RS232 2 TXD
3 RXD
5 GND
1, 4, 6, 7, 8, 9
Null
Summary of Contents for E21S
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