6. CONNECTION OF I/O UNITS TO
Interface modules and various types of I/O modules can be mounted to
and dismounted from the base unit easily as shown below.
1 Hang the hook at the top of the module on the groove in the upper side
of the base unit.
2 Make the connector of the module engage with that of the base unit.
3 Push the module in the lower groove of the base unit till the stopper
in the lower side of the module stops.
1 Release the stopper by pushing the lever at the bottom of the module.
2 Push the module upwards.