FAQ
Q1: What exactly is the function of the 6FM1470-4BA25 module?
The 6FM1470-4BA25 is a monochrome video/display processor module designed for the Siemens WF 470 system architecture. It controls and generates the text and graphic display output on old industrial CRT/monochrome monitors for Simatic S5 programmable logic controllers.
Q2: What are the main physical expansion options on this card?
It features 3 slots dedicated for memory submodules (EPROMs). These plug-in memory slots are used to store screens, character sets, and firmware configurations required by the operator interface.
Q3: Does this module support external serial communication?
Yes, this specific version comes equipped with a 2nd serial interface onboard, allowing the connection of peripheral devices or serial programming interfaces alongside the primary system bus communication.
Q4: What is the main difference between the 6FM1470-4BA25 and the 6FM1470-3BA25?
• 6FM1470-4BA25: Designed strictly for Monochrome (black & white/amber/green) display rendering.
• 6FM1470-3BA25: Designed for Color display setups.
Q5: Where can I find the official technical documentation and wiring schematics?
The comprehensive technical layout, dip-switch settings, and pinouts are detailed in the Siemens Equipment Manual titled "WF 470: Description to HW 6FM1470-...21" (Archived under Siemens Industry Online Support with Document ID: 39699411 or Manual Code 6ZB5440-0JF02-0BA5).
Q6: Since this item is discontinued by Siemens, what are the lifecycle options?
Because the Simatic S5 automation line is obsolete, brand new units from the factory are no longer available. Current lifecycle tracking points to Refurbished / Surplus channels or specialized component repair networks offering standard functional testing and replacement warranties.