Toshiba NV Series Hardware Manual page 126

■ Stopping PUM12
Change the operation mode switch of the controller module to "HALT."
Turn off the external power and load power to the G2-I/O module.
If the common power supply cannot be provided for the external power and load power,
configure the system to turn off these powers simultaneously (or in the order of the load
power and external power).
Turn off the external power and load power to the I/O module of the remote I/O
node in the TC-net I/O loop.
If the common power supply cannot be provided for the external power and load power,
configure the system to turn off these powers simultaneously (or in the order of the load
power and external power).
Turn off the power of the controller and I/O control power.
For the safety of the system, turn off the load power
Caution prior to the controller power.
If this order is not followed, accident or mechanical damage may
be caused by malfunction.
Use a common power supply for the external power and load
power to the I/O module as far as possible. If it is difficult,
configure the system to turn off these powers simultaneously.
Unified Controller nv Series type1 light Controller Unit Operating Instructions
Instruction
107