What is the main function of this power module?
The Siemens 6ES7138-4CF03-0AB0 is a power module designed for ET 200S systems. It is used for installations with ungrounded reference potential and provides fail-safe switching of voltage buses P1 and P2 up to Category 3/SIL 2. It also features 2 fail-safe digital outputs up to Category 4/SIL 3 and can be used in PROFINET networks.
What is the supply voltage for this power module?
The supply voltage for the 6ES7138-4CF03-0AB0 power module is 24V DC.
What is the maximum cable length for this module?
The maximum cable length for the 6ES7138-4CF03-0AB0 module is 200 meters, both for shielded and unshielded cables.
What is the maximum switching frequency for this module?
The maximum switching frequency for the 6ES7138-4CF03-0AB0 module is 30 Hz with resistive load, 0.1 Hz with inductive load, and 10 Hz on lamp load.
Does this power module provide galvanic isolation?
The 6ES7138-4CF03-0AB0 power module provides galvanic isolation between the channels and the backplane bus, but not between the channels themselves or between the channels and the load voltage L+.
What are the dimensions of this power module?
The dimensions of the Siemens 6ES7138-4CF03-0AB0 power module are 30 mm in width, 81 mm in height, and 52 mm in depth.
What is the highest safety class achievable with this module?
The highest safety class achievable with the 6ES7138-4CF03-0AB0 module in safety mode is up to Category 4 according to EN 954 and up to SIL 3 according to IEC 61508.