5.2 Controller Interface
Unified Controller nv series type1 light Communication Interface Module (CF622) Instruction Manual
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Receive Processing Operation
--- Normal mode (operation mode mode3)
Trans data
(3)
RX_RDY
(6)
(1)
RX_CMP
RX_ERR
CF622 Control
User's application
(4)
MREAD instruction
RX_ST
(2)
(5)
Receive data
Receive data
Figure 5-20 Receive processing operation (mode 3)
(1) When CF622 receives data, RX_CMP is set to 1.
(2) Set RX_ST to 1 from user’s application.
(3) RX_CMP is reset to 0, RX_RDY is set to 1.
(4) Read received data from receive data area using MREAD instruction.
(5) Reset RX_ST to 0 from user’s application.
(6) RX_RDY is reset to 0.
Summary of Contents for CF622
Page 20: ...Chapter 1 Introducing CF622 6F8C1583 1 6 ...
Page 26: ...Chapter 2 Names and Functions of the Parts 6F8C1583 12 ...
Page 38: ...Chapter 4 Installation and wiring 6F8C1583 24 ...
Page 70: ...Chapter 6 Maintenance and Inspection 6F8C1583 56 6 ...
Page 74: ...Chapter 7 Troubleshooting 6F8C1583 60 7 ...
Page 78: ...Chapter 8 Usage Constraints 6F8C1583 64 8 ...
Page 86: ...Appendix B Outside Dimensions 6F8C1583 72 ...
Page 87: ...73 73 Appendix C Related Products C 1 Accessories 74 C 2 Recommended communication cables 74 ...
Page 89: ...75 75 Appendix D ASCII code chart ...
Page 106: ...Appendix E Sample programs 6F8C1583 92 E ...
Page 108: ...1583 1 1605 ...