What operates Relay-1 using the Openbuilds Controller Blackbox X32? I know M3/M4 operate Relay-2 and M8/M9 operate the coolant. Is there specific gcode that operates just Relay-1?
That's pretty much what I thought, M3/M4 and M5 operate both Relays. I'm using Relay-2 for the spindle and was hoping there would be another way to operate just Relay-1.
In stock config tool enable won the vote. But if you have specific need you can compile grblHAL with new pinmap or custom plugin to do your bidding
Just to be clear for my understanding of the differences between the 2 relays and the Tool Enable and Coolant: Both relays, Relay-1 and Relay-2, are operated by M3 (On Forward), M4 (On Reverse) and M5 (Off) Relay-1 offers 2 terminals: COM and Signal (NO) Relay-2 offers 3 terminals: COM, Signal (NO) and Signal (NC) Both the Tool Enable and Coolant are operated by M8 (On) and M9 (Off) Tool Enable provides a 3.3v output. Coolant provides a 24v output. Thanks again for your insight and patience.
Relay 1 - used to arm/disarm VFD ; or trigger Plasma Inverter (turning on the Tools that needs a dry contact) Is same logical output as Tool Enable (3.3v signal) used to trigger IoT relay (needs a signal, not a dry contact) to turn on Routers (on for m3 and m4, off for m5) --- 0-10v analog signal is for VFDs speed controls. Is same logical output as Pwm output (for lasers power, dc spindles speed, servos position for pen lifts) (scales output based on S-value in gcode) --- Relay 2 by default configured as Direction, also just a dry contact (mainly for VFDs, but almost never used as most folks don't bother wiring up reverse as it's almost never used in conventional tooling) (M3 vs M4 / fwd/rev) --- Coolant is for misting nozzles, dust extractors that sort of thing (M8/m9)
