Vaisala HMP228 - Manual (Page 108)

HMP228
Appendix 7: Alarm output unit
M210282en-A
102
- +
- + - +
signal cable gland
X3 X16
ribbon cable
M3 screws (4 pcs) for mounting
(prefix with fibre washers)
M4 screw and washer for
protective ground terminal
replace the plastic plug with cable
gland for ¢7...12 mm cable
cable: strip wires only 5 mm; use
crimped terminal for ground wire
if stranded wire is used
probe cable gland
arrange signal cable wires so
that they do not reach bare AC
wires when the cover is closed
Prefix the fastening screws with fiber washers for mounting the unit to the
box.
NOTE
The alarm unit cannot be used with the power supply
unit HMP230PW.
WARNING
Do not detach the alarm unit from the transmitter when
the power is on.
WARNING
Do not connect the mains power to alarm unit without
grounding the transmitter.
Setting and activating the outputs with menu commands
•
Select ALARM in the main menu; the following is displayed:
•
If the settings need to be changed, press CL:
- the quantity starts blinking; it can be changed with arrow switches,
and acknowledged with ENT.