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84 Xanbus Automatic Generator Start (AGS) Owner’s Guide
Appendix B: Relay Timing
GlowStop Mode
For generators with GlowStop mode starting types (Types 1, 2, 3, 6, 12):
• Relay 1 (Stop) and Relay 2 (Start) can be used with a common ground
for three-wire configured generators.
• The Preheat signal shows up on Relay 1 and also Relay 3 (if enabled)
so that Relay 1 can be used for both Preheat and Stop.
• If the ShutDown Bypass is enabled, the Preheat on Relay 1 will remain
high for the Crank Time and for the ShutDown Bypass period after
cranking.
• The Preheat on Relay 3 will only overlap the Crank Time and perform
ShutDown Bypass if Relay 3 is configured for Preheat with ShutDown
Bypass.
• The “Delay” refers to the “Preheat to Crank Delay” and may be zero.
• Cranking will cease when the generator run signal goes high for the
specified hold time or when the crank time has elapsed.
Figure 39
GlowStop Mode Timing Diagram
Relay 1: Glow/Stop
Relay 2: Start
(Cranking)
Relay 3: Preheat
(Glow)
Start
Run
Stop
Preheat
Delay
Crank
Time
Preheat/
Stop
Shutdown
Bypass