Chapter 3 _______________________________________________________________ Installation
VAISALA _______________________________________________________________________ 33
WARNING
Make sure that you connect only de-energized wires.
1.
Open the transmitter cover by taking out the four cover screws.
2.
Insert the power supply wires and signal wires through the cable
bushing in the bottom of the transmitter; see the grounding
instructions in the previous sections.
3.
Connect the analog output cables to terminals:
Ch1 +, Ch1-, Ch2+,
Ch2-
. Connect the RS-232 user port cables to terminals RxD, GND
and TxD, more about the RS-232 connection in Section Serial Line
Communication on page 82.
4.
When wiring the optional modules, see the corresponding section
for instructions:
- RS-422/485 Interface on page 61
- Third Analog Output on page 57
5.
Connect the power supply wires to the connectors:
POWER
10...35V+ 24V
(+)
and
(-)
terminals. (If using AC voltage,
connect
always
phase to power supply
(+)
and 0 to power supply
(-)
). When wiring the power supply module, see section Power
6.
Turn on the power. The indicator LED on the cover lit continuously
during normal operation.
7.
Close the cover and replace the cover screws. The transmitter is
ready for use.