Rockwell-automation 1769-ADN DeviceNet Modules Installation Instructio Manual de usuario Pagina 54
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54 Rockwell Automation Publication DNET-IN001B-EN-P - January 2012
Appendix A 1756 DeviceNet Status Indicators and Data Structures
Status Structure
The controller receives status information concerning the 1756-DNB scanner
module’s ability to exchange DeviceNet messages with other nodes by reading
from the status structure in the 1756-DNB scanner module. The scanner module
periodically updates the contents of the status structure and copies its contents to
the controller. The status structure consists of several tables. The bit position of
each of the 64-bits that make up a given status table directly corresponds to the
node address of a device.
The status structure consists of these data elements.
Status Structure Element Description Data
Typ e
DINTS
ScanCounter Counter incremented each I/O scan 32-bit 10
DeviceFailureRegister Device failed bit table; 1 = failed 64-bit
AutoverifyFailureRegister Device I/O size does not match scanner’s
internal table; 1 = mismatch
64-bit
DeviceIdleRegister Device is idle bit table; 1 = idle 64-bit
ActiveNodeRegister Node online bit table; 1 = online 64-bit
StatusDisplay ASCII representation of scanner
alphanumeric display
4-byte
ScannerDeviceStatus Scanner device status 4-byte
binary
11
ScannerAddress DeviceNet address of1756- DNB scanner
module
8-bit
binary
ScannerStatus Status of 1756-DNB scanner module 8-bit
binary
ScrollingDeviceAddress Scrolls through DeviceNet nodes once
per second by address and status; 0 = no
faults
8-bit
binary
ScrollingDeviceStatus 8-bit
binary
ReservedArray Future expansion (20 bytes) 20 x 8-bit 16
DeviceStatus DeviceNet node status array, byte per
device
64 x 8-bit 24/32
- DeviceNet Modules 1
- Important User Information 2
- Summary of Changes 3
- New and Updated 3
- Information 3
- Table of Contents 5
- Additional Resources 7
- Installation Summary 11
- Determine Module Slot 12
- Location 12
- Set the Communication 12
- Set the Rotary Switch 13
- Set the Node Address 14
- Restore the Factory Default 15
- Settings 15
- Install the Module 16
- Connect the Module to a 17
- DeviceNet Network 17
- Download the Add-on 18
- Connect to the Module 18
- Set Up the Hardware 19
- IMPORTANT 22
- Apply Chassis Power and 23
- Check Status Indicators 23
- Install or Remove the 24
- Module Under Power 24
- System Assembly 28
- Panel Mounting 29
- DIN Rail Mounting 30
- Comm Adapter 32
- Connect a Computer to the 40
- Configure a Driver for a 41
- Driver Configuration 42
- Verify that the Driver Works 43
- DeviceNet 45
- Status Messages 48
- Status Codes 49
- Table 7 - Status Codes 50
- 1756-DNB DeviceNet 51
- Scanner Data Structures 51
- Input Structure 52
- Output Structure 52
- Status Structure 54
- Appendix 55
- 1769-ADN Adapter Status 55
- Indicators 55
- 1769-ADN Adapter Data 58
- Structures 58
- 1769-SDN Scanner Status 59
- Table 14 - Status Codes 62
- 1769-SDN Scanner Data 63
- Output Data Image 64
- CompactLogix Status Structure 64
- Rockwell Automation Support 68
- Documentation Feedback 68
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