Brooks Firetracker FT128 CIE - Figure 12 AS1668 Fan Control Example

Technical / Programming Manual
FT128 Rev 2.2
36
C OM C OM
N /O N /O
N /O N /O
C OM C OM
LOOP IN LOOP IN
LOOP OUT LOOP OUT
R e0 R e0
R e1 R e1
Z Z
0V 0V
MONITORE D
IN P U T
MONITORE D
IN P U T
FA N S TO P
R E LAY
FA N S TA RT
R E LAY
R L1 R L1
R L2
E OL
CAP
E OL
CAP
470n 470n
470R 470R
I/O MODULE
3361
I/O MODULE
3361
24V D C / A C 24V D C / A C
STANDARD MODE
FA N S TA RT / S TOP
R E LAY
P RE S . S W ITC H OR C T
FA N S TA TUS
P RE S . S W ITC H OR C T
FA N S TA TUS
ENHANCED MODE
Figure 12 AS1668 Fan Control Example
EBL512
I/O Matrix
board
COM loop
24VDC
3361
Fan
3361
Fan
3361
Fan
3361
Fan
Fan control
board
or 24VDC from
external source
FaultFault Fault Fault
RunningRunning Running Running
Stopped Stopped Stopped
FF F F
AA A A
NN N N
On OnOnOn
Auto AutoAutoAuto
Off OffOffOff
Fan
Reset
LED
Test
Stopped
1668 FAN CONTROL