7i97t Mesaflash Problem

36 bit IN TRUE hm2_7i97.0.pwmgen.00.enable <== x-enable
36 float IN -2.5 hm2_7i97.0.pwmgen.00.value <== x-output
36 s32 RW 1 hm2_7i97.0.pwmgen.00.output-type
36 float RW 10 hm2_7i97.0.pwmgen.00.scale

With these settings you would expect about -2.5V output of analog out 0

Possible reasons to not get about -2.5V

Looking at the wrong pins

output overloaded

5V 7I97T supply low

Damaged 7I97T

When I move the axis further using the LinuxCNC interface, the value keeps increasing, as if it were the value of the distance traveled... for example, -77... Is that supposed to happen? I'm also only getting 0.35V at the other PWM outputs, both with and without the power amplifier connected.

Furthermore, the Mesa disconnects after approximately 5 minutes with these values. The 1A Ff fuse doesn't blow, but the wire deforms. I suspect that due to increased contact resistance, the voltage at the Mesa is no longer sufficient.

Yes, the PWM value (from the PID component) should increase as the position
error increases.

Did you check the 5V power?

Are CR23 and CR27 (Yellow LEDs near the center of the card) both fully illuminated?
(these LEDS indicate the analog +16/-12V power supply operation)

The lower LED is slightly dim. I adjusted the voltage; it was 4.6V, now it's 5.1V. When I move the axis, the fuse trips immediately, but the wire only deforms slightly more. Is 1A too low, or is the Mesa fuse defective?

I would venture a guess at wrong wiring, so first check if analog grounds are wired correctly, from your explanation this seems to be the reason.