Parker
Hannifin
RS-232 RS-485
Full-Duplex
(Four-Wire)
Figure 28 RS-232/485 Connector Pin Assignments
Transmission Modes
The COM1 connector contains two mode pins, 7 and 9. Figure 29 shows the
location of the pins. Table 36 shows the mode pin assignments for
establishing RS-232 or RS-485 operation. (For example, to establish RS-485
full-duplex operation, connect pins 7 and 9 to ground.)
Figure 29 COM1 Mode Pins (7 and 9)
COM1 Modes
Operation
Pin 9 (Mode1)
Pin 7 (Mode 0)
RS-232 full-duplex
Open
Open
RS-485 full-duplex
GND
GND
Reserved
Open
GND
Reserved
GND
Open
Note:
The controller defaults to RS-232 operation
⎯
pins 7 and 9 are not
connected to ground (Open).
Table 36 COM1 Transmission Modes
Chapter 3 Installation 73
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Содержание ACR9000
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Страница 112: ...Appendix B VM25 Breakout Module A P P E N D I X B VM25 Breakout Module IN THIS CHAPTER Overview 113 www comoso com ...
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Страница 143: ...Appendix F Drive Talk A p p e n d i x F Drive Talk IN THIS CHAPTER Quick Startup 144 www comoso com ...
Страница 159: ...Parker Hannifin Figure 40 ACR9040 Panel Layout Dimensions Appendix G Regulatory Compliance 159 www comoso com ...
Страница 165: ...Parker Hannifin Figure 43 ACR9030 Front Panel Appendix H ETHERNET Powerlink 165 www comoso com ...