101364
Model
FT2
4.1.5.2.
For Discrete Output Setting:
Press
ALM (F2)
key to select alarm output, then menu will display:
ALM = HiFloAlm
NXT OK
F1
F2
F3
F4
Press
NXT (F1)
repeatedly until the correct selection is shown and then press
OK (F4)
to
accept the setting.
Selections are:
Not used
HiFloAlm
for High Flow Alarm
LoFloAlm
for Low Flow Alarm
HiTempAlm
for High Temperature Alarm
LoTempAlm
for Low Temperature Alarm
If a Limit type is selected, then the menu will display:
HiFloAlm = 1000 SCFM
CHG OK
F1
F2
F3
F4
Enter the limit value to trigger the contact alarm output and then press
OK (F4)
to accept
the setting.
Press
EXIT (F4)
repeatedly until “Normal Mode” is seen briefly to exit the programming
mode.
The JP1 selection jumper needs to be installed between pin 2 & 3 on the main FT2
board to select the isolated digital output for the alarm.
4.1.6.
RS485 Serial Communication Settings
To program the RS485 settings, press
I/O (F1)
key from the base menu
SET I/O
I/O FEQ 420 EXIT
F1
F2
F3
F4
Then
press
I/O (F1)
again:
Fox Thermal Instruments Inc., 399 Reservation Road, Marina, CA 93933
Page 33
