TBX IP65 module power supplies
(Original Document)
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General
Remote I/O TBX IP65 modules require a 24 VDC voltage supply. This supplies the:
The TBX IP65 module power supply is provided by the TBX BLP 10.
The following drawing shows the wiring board of the TBX BLP 10.
Output modules require an additional power supply which provides energy required for the preactuators.
NOTE: The advantage of using separate external power supplies is that it is possible to cut the output supply without cutting the supply to the communication module.
Power Supplies
The following table shows the number of separate power supplies available by I/O type.
Type of module
Number of separate power supplies
Discrete inputs
1
Module and input power supply
Static outputs
2
Module power supply
Output power supply (1)
Key:
(1)
In order to avoid serious damage during a polarity inversion of the output power supply, the following must be protected:
  • The TBX ESP 08C22 module by a 6 A fast-acting fuse,
  • The TBX  ESP 1622 module by a 9 A fast-acting fuse,