Fireye YB110 - YP300 Operating Sequence; YP300 Terminal Sequence Chart

32
£
YP300 OPERATING SEQUENCE
Programmable Purge Time PTFI MTFI AUTO Post Purge
3
Operating control
Programmable Post Purge
M
Cycle complete
P
13 (POC)
Proof of valve closure
Don't care state
X (HI)
5 s Ignition
12 (LO)
11 (Auto)
6 (PV)
10 s 15 s Usually Intermittent
5 (IGN)
10 s 10 s
7 (MV)
5 s Delayed Main Valve
W(DV)
8 (HFS)
Don't care state
D (LFS)