Computer Systems & Software Updates Flashcards
7 cards from real SAW practice questions. Tap to flip, then mark Knew It or Still Learning โ missed cards come back until you master them.
Read the first 7 Computer Systems & Software Updates flashcards as text
When a SAW machine's control software receives an update that changes default voltage parameters, what is the correct first action before applying the update in production?
Answer: Validate the new parameters on a test weld coupon
New default parameters must be validated on test coupons before production to ensure weld quality is not compromised.
Which network protocol is most commonly used for firmware updates distributed over an Ethernet-connected SAW controller?
Answer: SFTP
SFTP (Secure File Transfer Protocol) is preferred for firmware distribution because it encrypts the transfer and provides authentication.
A SAW operator notices the weld monitoring software displays a 'checksum mismatch' error after an update. What does this indicate?
Answer: The downloaded update file may be corrupted
A checksum mismatch means the file's integrity hash does not match the expected value, indicating possible corruption during download.
In a CNC-controlled SAW system, what function does the 'home position' calibration routine serve after a software update?
Answer: It re-establishes the machine's reference coordinate origin
The home position calibration re-establishes the coordinate origin so all motion axes are correctly referenced after an update.
Which type of memory in a SAW controller stores the operating system and firmware that persists through a power cycle?
Answer: Flash ROM
Flash ROM (non-volatile memory) retains firmware and OS data even when power is removed, making it suitable for controller storage.
A SAW facility uses a SCADA system integrated with welding controllers. Which cybersecurity measure is most important when pushing software updates to these controllers?
Answer: Using a dedicated, isolated update server with access controls
A dedicated, isolated update server with strict access controls prevents unauthorized firmware from being introduced into the welding control network.
After updating SAW control software, the PLC ladder logic for interlock sequences should be:
Answer: Re-verified to confirm all safety interlocks still function correctly
Safety interlock logic must be re-verified after any software update to ensure no sequences were altered or disabled unintentionally.