KEYENCE N-400 - Manual (Page 6)

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Chapter 4 Multi-Drop Link Mode Control Procedure
4.1 Multi-Drop Link Mode .......................................................................... 58
4.1.1 Controlling multi-drop link mode ............................................................. 58
4.1.2 Setup procedure ..................................................................................... 60
4.2 Data Communication in Multi-Drop Link Mode ................................. 61
4.2.1 Auto polling ............................................................................................. 61
4.2.2 Manual polling ......................................................................................... 62
4.2.3 Capacity of Transmission Buffer ............................................................. 63
4.2.4 Handshaking protocol ............................................................................. 65
4.3 Command Transmission To BL Series .............................................. 66
4.4 N-400 Direct Control Commands ........................................................ 69
4.4.1 Communication procedure ...................................................................... 69
4.4.2 Description of commands ....................................................................... 70
4.5 N-400 Setup Command ........................................................................ 75
4.6 Communication Time Consideration .................................................. 83
Chapter 5 Multi-Head Mode Control Procedure
5.1 Multi-head Mode ................................................................................... 88
5.1.1 Controlling multi-head mode ................................................................... 88
5.1.2 Setup procedure ..................................................................................... 89
5.2 Reading Operation in Multi-Head Mode ............................................. 91
5.2.1 Difference in operation depending on reading mode .............................. 91
5.2.2 Trigger input signal type .......................................................................... 93
5.2.3 Data transmission timing ......................................................................... 94
5.3 Data Communication in Multi-Head Mode ......................................... 95
5.3.1 Communication format ............................................................................ 95
5.3.2 Handshaking protocol ............................................................................. 95
5.3.3 Read error code ...................................................................................... 95
5.4 Command Communication in Multi-Head Mode ............................... 96
5.4.1 Sending a command to BL series ........................................................... 96
5.4.2 N-400 direct control/setup commands .................................................... 96
5.5 Interference Suppression Function ................................................... 97
5.6 Communication Time .......................................................................... 98