Siemens S7-1200 System Manual page 458

Hide thumbs Also See for S7-1200:

Table of Contents

Technology instructions

9.3 Motion control

To enable an axis with configured drive interface, follow these steps:

1. Check the requirements indicated above.

2. Initialize input parameter "StopMode" with the desired value. Set input parameter

"Enable" to TRUE.

The enable output for "Drive enabled" changes to TRUE to enable the power to the drive.

The CPU waits for the "Drive ready" signal of the drive.

When the "Drive ready" signal is available at the configured ready input of the CPU, the

axis becomes enabled. Output parameter "Status" and technology object tag <Axis

name>.StatusBits.Enable indicates the value TRUE.

To enable an axis without configured drive interface, follow these steps:

1. Check the requirements indicated above.

2. Initialize input parameter "StopMode" with the desired value. Set input parameter

"Enable" to TRUE. The axis is enabled. Output parameter "Status" and technology object

tag <Axis name>.StatusBits.Enable indicate the value TRUE.

To disable an axis, follow these steps:

1. Bring the axis to a standstill.

You can identify when the axis is at a standstill in technology object tag <Axis

name>.StatusBits.StandStill.

2. Set input parameter "Enable" to FALSE after standstill is reached.

3. If output parameters "Busy" and "Status" and technology object tag <Axis

name>.StatusBits.Enable indicate the value FALSE, disabling of the axis is complete.

S7-1200 Programmable controller

System Manual, 03/2014, A5E02486680-AG