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CONTENTS
xvi
model 3000 DeviceNet Module Manual (DN311/DN311A)
4 Operating Procedures for the DN311
(Software) . . . . . . . . . . . . . . . . . . . . . . . . 43
4.1 Registering the DN311 . . . . . . . . . . . . . . . . . . . . . . . . 44
4.2 S Controller Interface Buffer Memory
Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
4.2.1 Input/output data areas . . . . . . . . . . . . . . . . . . . . .50
4.2.2 RAS information area . . . . . . . . . . . . . . . . . . . . . . .54
4.2.3 Allocating slave device data to the input/output
data area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63
4.2.4 Semaphore area . . . . . . . . . . . . . . . . . . . . . . . . . . .64
4.3 Requests to the DN311 . . . . . . . . . . . . . . . . . . . . . . . 67
4.3.1 DN311 operation modes . . . . . . . . . . . . . . . . . . . .68
4.3.2 Reset request . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69
4.3.3 Parameter setting request (local node) . . . . . . . . .71
4.3.4 Parameter setting request (Slave devices) . . . . . .74
4.3.5 Operation mode control request . . . . . . . . . . . . . . .77
4.3.6 RAS Information read request . . . . . . . . . . . . . . . .79
4.3.7 Time setting request . . . . . . . . . . . . . . . . . . . . . . . .81
4.4 User Function Block for Slave Data Input/Output . . . . 82
4.4.1 Input/output data area batch access . . . . . . . . . . .83
4.4.2 Confirming the allocations . . . . . . . . . . . . . . . . . . .86
4.4.3 Slave data input (Asynchronous mode only) . . . . .87
4.4.4 Slave data output (Asynchronous mode only) . . . .89
4.5 Completion Status . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
5 Example of Use of the DN311 . . . . . . . . 93
5.1 System Configuration of the Example . . . . . . . . . . . . 94
5.2 DN311 Operating Sequence . . . . . . . . . . . . . . . . . . . . 95
5.3 Slave Data Input/Output . . . . . . . . . . . . . . . . . . . . . . . 96
5.4 Other Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
6 RAS Information (Except for RAS
Area in Communication Memory) . . . . 113
6.1 Module Status (MS)/Network Status (NS) LEDs . . . 114
6.2 Indications of the 7-Segment LED . . . . . . . . . . . . . . 115
6.3 RAS Information Read Data . . . . . . . . . . . . . . . . . . . 117
6.3.1 RAS Counter . . . . . . . . . . . . . . . . . . . . . . . . . . . .117
6.3.2 Event History . . . . . . . . . . . . . . . . . . . . . . . . . . . .120
6.3.3 Execution node information . . . . . . . . . . . . . . . . .123