Tags - Siemens SIMATIC S7-1500 Function Manual

Basics
3.17 Traversing range limitation
3.17.4

Tags

The following technology object tags are relevant for software limit switches:
Status indicators
<TO>.StatusWord.X15 (SWLimitMinActive)
<TO>.StatusWord.X16 (SWLimitMaxActive)
<TO>.ErrorWord.X8 (SWLimit)
Control bits
<TO>.PositonLimits_SW.Active
Position values
<TO>.PositonLimits_SW.MinPosition
<TO>.PositonLimits_SW.MaxPosition
The following technology object tags are relevant for hardware limit switches:
Status indicators
<TO>.StatusWord.X17 (HWLimitMinActive)
<TO>.StatusWord.X18 (HWLimitMaxActive)
<TO>.ErrorWord.X9 (HWLimit)
Control bits
<TO>.PositonLimits_HW.Active
Parameter
<TO>.PositonLimits_HW.MinSwitchLevel
<TO>.PositonLimits_HW.MinSwitchAddress
<TO>.PositonLimits_HW.MinSwitchBitNumber
<TO>.PositonLimits_HW.MaxSwitchLevel
<TO>.PositonLimits_HW.MaxSwitchAddress
<TO>.PositonLimits_HW.MaxSwitchBitNumber Bit number of the I/O address of the hardware limit
68
Negative software limit switch is enabled
Positive software limit switch is enabled
An alarm is pending, that a software limit switch was
violated
Enables / disables the monitoring of the software
limit switches
Position of the negative software limit switch
Position of the positive software limit switch
Negative hardware limit switch is enabled
Positive hardware limit switch is enabled
An alarm is queued; a hardware limit switch was
violated
Enables / disables the monitoring of the hardware
limit switches
Level selection for enablement of the lower hard-
ware limit switch:
FALSE: At low level, the signal is enabled
TRUE: At high level, the signal is enabled
Byte number of the I/O address of the hardware limit
switch for the lower or minimum position
Bit number of the I/O address of the hardware limit
switch for the lower or minimum position
Level selection for enablement of the upper hard-
ware limit switch:
FALSE: At low level, the signal is enabled
TRUE: At high level, the signal is enabled
Byte number of the I/O address of the hardware limit
switch for the upper or maximum position
switch for the upper or maximum position
S7-1500 Motion Control V13 Update 3
Function Manual, 07/2014, A5E03879256-AC