Manufacturer：PCD4.M120
Modules: Input/output elements housed in a casing, compatible with the PCD1/2 system.
Module holders: Devices such as CPUs, RIOs,
Manufacturer：PCD4.M125
Modules: Input/output elements housed in a casing, compatible with the PCD1/2 system.
Module holders: Devices such as CPUs, RIOs,
Manufacturer：PCD4.M140
Modules: Input/output elements housed in a casing, compatible with the PCD1/2 system.
Module holders: Devices such as CPUs, RIOs,
Manufacturer：PCD4.M145
Modules: Input/output elements housed in a casing, compatible with the PCD1/2 system.
Module holders: Devices such as CPUs, RIOs,
Manufacturer：PCD4.M170
Modules: Input/output elements housed in a casing, compatible with the PCD1/2 system.
Module holders: Devices such as CPUs, RIOs,
