Rockwell Automation 1747-SN Remote I/O Scanner - Manual (Page 7)

Publication 1747-UM013B-EN-P - January 2005
Table of Contents 3
Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
Retry Counters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
Block Transfers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
Appendix A
Specifications Scanner Operating Specifications . . . . . . . . . . . . . . . . . . . . A-1
Network Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1
Throughput Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . A-2
RIO Network Throughput Components. . . . . . . . . . . . . A-2
Calculating Throughput . . . . . . . . . . . . . . . . . . . . . . . . . . . A-3
Discrete I/O Throughput without Block Transfers (Tdm-nbt)
Present . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-3
Discrete I/O Throughput with Block Transfers (Tdm-bt)
Present . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-6
Block Transfer Throughput . . . . . . . . . . . . . . . . . . . . A-10
RIO Scanner Output Delay Time (TSNo) Tables . . . . . A-13
Appendix B
M0 - M1 Files and G Files M0 - M1 Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1
Addressing M0-M1 Files . . . . . . . . . . . . . . . . . . . . . . . . B-2
Restrictions on Using M0-M1 Data File Addresses . . . . . B-2
Monitoring Bit Addresses . . . . . . . . . . . . . . . . . . . . . . . B-2
Transferring Data Between Processor Files and M0 or M1 Files
B-4
Access Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-4
Minimizing the Scan Time . . . . . . . . . . . . . . . . . . . . . . B-7
Capturing M0-M1 File Data. . . . . . . . . . . . . . . . . . . . . . B-8
Specialty I/O Modules with Retentive Memory . . . . . . . B-8
G Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-9
Configuring G Files using RSLogix 500 . . . . . . . . . . . . . B-9
After all devices have been properly mapped, click OK and
the G file is automatically configured. This procedure
eliminates the bit by bit process needed to configure the G
file with other programming tools. . . . . . . . . . . . . . . . B-13
Editing G File Data . . . . . . . . . . . . . . . . . . . . . . . . . . B-14
Appendix C
RIO Configuration Worksheet Directions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-1
Appendix D
Block Transfer Examples for
Earlier Processors BTR and BTW Control Logic Examples . . . . . . . . . . . . . . . D-1
Block Transfer Read Control Logic Example . . . . . . . . . D-1
Block Transfer Write Control Logic Example . . . . . . . . D-4
Directional Continuous Block Transfer Example . . . . . . D-6
Directional Repeating Block Transfer Example . . . . . . . D-9