Siemens SIMATIC S7-1500 Manual page 68

Control bit/value
SW_GATE
TM_CTRL_DQ0
TM_CTRL_DQ1
Technology module TM PosInput 2 (6ES7551-1AB00-0AB0)
Manual, 06/2018, A5E03982218-AB
Explanations
Use this bit to open and close the software gate when using an incremental encoder or pulse
encoder. Together, the software gate and the hardware gate form the internal gate. The tech-
nology module only counts when the internal gate is open.
0 means: Software gate closed
•
1 means: Software gate open
•
The digital inputs of the technology module externally control the hardware gate. The hardware
gate can be activated by parameter assignment. The software gate cannot be deactivated.
Use this bit to enable the technological function of digital output DQ0.
0 means: SET_DQ0 defines the state of DQ0
•
1 means: assigned function defines the state of DQ0
•
Use this bit to enable the technological function of digital output DQ1.
0 means: SET_DQ1 defines the state of DQ1
•
1 means: assigned function defines the state of DQ1
•
Configuring/address space
4.3 Manual operation (without technology object)
67