C Series Functional Safety Firmware

Firmware Release Versions

The following sections detail the C Series Functional Safety Firmware releases and associated known issues. You can read the firmware version through Scan Interface. To determine the firmware version, add a Property Node to your monitoring VI in LabVIEW.

Caution You must verify and formally document that your safety application is not affected by the known issues documented below.
Table 69. C Series Functional Safety Firmware Releases
Module Version Date Released Notes
NI 9350 0x17081412 September 2017 This version shipped with the initial release of the NI 9350.
0x18010811 March 2018 This version implements a fix for undetected faults when driving heavy loads.
NI 9351 0x18031516 May 2018 This version shipped with the initial release of the NI 9351.
Table 70. C Series Functional Safety Firmware Known Issues List
Known Issue Version Affected
0x17081412 0x18010811 0x18031516
Open circuit faults on digital outputs ✔ ✔
Passthrough value behavior ✔ ✔
Overcurrent on dual digital inputs with test pulses ✔ ✔ ✔
Undetected faults when driving heavy loads ✔