The hardware revision history of each Probe hardware is as follows.
PHX400
| Version | Release Date | Revisions |
|---|---|---|
| 1.00 | 2018/11/26 | New Release |
| 1.01 | 2019/10/29 | Fixed version reading process |
| 1.04 | 2020/03/12 | Fixed an issue where the WDT output period was twice the specified duration |
PHX401
| Version | Release Date | Revisions |
|---|---|---|
| 1.06 | 2020/06/02 | New Release (same as PHX400 Ver1.04) |
PHX403
| Version | Release Date | Revisions |
|---|---|---|
| 3.04 | 2025/07/30 | New Release (same as PHX400 Ver1.04) |
* On the SWX600, the PHX403 displays a Probe ID of PHX400; this is not a defect.
PHX410
| Version | Release Date | Revisions |
|---|---|---|
| 1.01 | 2018/11/26 | New Release |