Omron TM Collaborative Robot S Series: TM12S and TM14S Hardware Installation Manual
5.3.3.2 Digital Output
Outputs can be set to either sink output or source output by selection.
The maximum drive current is 300mA per channel. If the load exceeds 300mA, a relay should be used to
drive it.
Figure 43: Digital Output
Set to sink output type
Connect DO_COM terminal to the minus side of the power supply.