AutomationDirect logo Firmware Revisions for D4-450 Gate Array (Sub CPU) (before May 2000)



Latest shipping version:

 

Recent Firmware History:


Version: V1.500
Details:
[New features]
- The firmware version is stored in V7726. For instance, if the firmware version is V1.500, V7727 has 1500.
- PV deviation alarm is supported in the PID manual mode.

[Fixed problems]
- When communication port 3 was used for non-sequence, busy flag SP116 could not be reset.
- When input format was 12bit and output format was 15 bit in the PID, the bias was not set correctly.
- PID mode could be changed in the 1st scan from user program.
- The ramp/soak feature of PID did not work correctly.