Fuji Electric ALPHA7, User Manual

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12.3 Startup ············································································· 12-13
12.4 Setting Change ·································································· 12-16
12.5 Response Time ·································································· 12-16
CHAPTER 13 MODBUS RTU COMMUNICATION 13-1
13.1 Settings for Servo Amplifier ·················································· 13-2
13.2 Communication Specifications ·············································· 13-6
13.3 Transmission Protocol ························································· 13-7
13.3.1 Message types ································································· 13-7
13.3.2 Message fields ································································· 13-7
13.3.3 Function codes (FC) ·························································· 13-8
13.3.4 Addresses ····································································· 13-18
13.3.5 Exceptional responses ····················································· 13-26
13.3.6 CRC-16 ········································································ 13-28
13.3.7 Communication operating method ······································ 13-31
13.4 Sample Wiring with Host Controller ······································ 13-32
13.5 Communications Procedures ·············································· 13-33
13.5.1 Start of communications ··················································· 13-33
13.5.2 Communications timings ·················································· 13-33
13.5.3 Error processing ····························································· 13-35
13.5.4 Communication time over ················································· 13-36
13.5.5 Communications example ················································ 13-37
1. Immediate value data operation ································································ 13-37
2. Monitoring cycle ····················································································· 13-39
CHAPTER 14 PC LOADER 14-1
14.1 Operating Environment ························································· 14-2
14.2 Installation Method ······························································· 14-3
14.3 List of Functions ································································ 14-11
14.4 Setup Procedure ································································ 14-12
14.5 Detailed Function Description ············································· 14-13
14.5.1 Real-time Trace ······························································ 14-13
14.5.2 Historical Trace ······························································ 14-15
14.5.3 Monitors ······································································· 14-18
14.5.4 Parameter Editing ··························································· 14-20
14.5.5 Positioning Data Editing ··················································· 14-22
14.5.6 Test Operation ······························································· 14-23
14.5.7 Servo Analyze ································································ 14-32
14.5.8 Diagnosis to be Made if the Servomotor Fails to Start ············· 14-33