AutomationDirect logo Firmware Revisions for D4-450 CPU (Main CPU) (all D4-450)


Latest shipping version:

 

Recent Firmware History:

Version: V3.50
Details:
This firmware version was created to support the D4-450 CPU modules with date code 1118 or newer that our vendor started using a new component in them. This firmware version works with any D4-450 CPU modules, but it is not necessary to install this firmware version into the D4-450 CPU modules with date code 10Z8 or older.

[Warning]
If you install firmware V3.40 or older into a D4-450 CPU module with date code 1118 or newer, it won’t keep the correct date and time. Please use only firmware V3.50 or newer.

Version: V3.40
Details:
[Fixed problem]
- When there was a very short power drop, the D4-450 stopped.
- With the PID control, the bias was reset to zero when the PID mode was changed from Manual to Auto. This problem occurred when the output value was high.

Version: V3.30
Details:
[New features]
- This version supports IBox instructions. You also need DirectSOFT version 5 or later to use IBox instructions.

[Fixed problem]
- When an EZTouch panel was connected to port 2 of the D4-450 in K-sequence or DirectNet, the communication stopped every 60-90 seconds. The communication recovered 2-3 seconds later automatically.

Version: V3.20
Details:
[Fixed problem]
- Com port 1 and 2 stopped responding to the network master every few seconds when the baud rate was high (19200bps or 38400bps).

Version: V3.10
Details:
[Fixed problems]
- The D4-450 locked up when the run-time edit was executed through the D4-DCM or H4-ECOM. This problem occurred when many PID loops were used.

Version: V2.00
Details:
[New features]
- New module H4-CTRIO is supported.
- The firmware version is stored in V7726. For instance, if the firmware version is V2.00, V7726 has 2000.
- Automatic communication port reset feature to avoid communication port lock-up is supported.
- 3-wire MODBUS communication is supported.

[Fixed problems]
- When ORNB and NOT instructions were used, there was a syntax error.
- MODBUS broad cast mode did not work correctly.
- The D4-450 sometime accepted incorrect data from radio modem.