Rockwell Automation 1768-L45S Compact GuardLogix Controllers User Manual
Page 110
110
Rockwell Automation Publication 1768-UM002C-EN-P - April 2012
Chapter 8
Monitor Status and Handle Faults
Table 32 - GSV/SSV Accessibility
Safety
Object
Attribute Name
Data Type
Attribute Description
Accessible from
the Safety Task
Accessible from
Standard Tasks
GSV
SSV
GSV
(4)
SSV
Safety Task
Instance
DINT
Provides instance number of this task object. Valid values are
0…31.
✓
✓
MaximumInterval
DINT[2]
The max time interval between successive executions of this task.
✓
✓
MaximumScanTime
DINT
Max recorded execution time (ms) for this task.
✓
✓
MinimumInterval
DINT[2]
The min time interval between successive executions of this task.
✓
✓
Priority
INT
Relative priority of this task as compared to other tasks. Valid
values are 0…15.
✓
✓
Rate
DINT
Period for the task (in ms), or timeout value for the task (in ms).
✓
✓
Watchdog
DINT
Time limit (in ms) for execution of all programs associated with this
task.
✓
✓
Safety
Program
Instance
DINT
Provides the instance number of the program object.
✓
✓
MajorFaultRecord
(1)
DINT[11]
Records major faults for this program.
✓
✓
✓
MaximumScanTime
DINT
Max recorded execution time (ms) for this program.
✓
✓
Safety
Routine
Instance
DINT
Provides the instance number for this routine object. Valid values
are 0…65,535.
✓
Safety
Controller
SafetyLocked
SINT
Indicates whether the controller is safety-locked or -unlocked.
✓
✓
SafetyStatus
(2)
INT
Specifies the safety status as the following:
• Safety task OK. (1000000000000000)
• Safety task inoperable. (1000000000000001)
• Firmware incompatible. (00000000000000011)
✓
SafetySignatureExists
SINT
Indicates whether the safety task signature is present.
✓
✓
SafetySignatureID
DINT
32-bit identification number.
✓
SafetySignature
String
(3)
32-bit identification number.
✓
SafetyTaskFaultRecord
(1)(2)
DINT[11]
Records safety task faults.
✓
AOI (Safety)
LastEditDate
LINT
Date and time stamp of the last edit to an Add-On Instruction
definition.
✓
SignatureID
DINT
ID number.
✓
SafetySignatureID
DINT
32-bit identification number.
✓
(1) See
Access FaultRecord Attributes on page 111
for information on how to access this attribute.
(2) See
Capture Fault Information on page 111
for information on how to access this attribute.
(3) Length = 37.
(4) From the standard task, GSV accessibility of safety object attributes is the same as for standard object attributes.