SECTION 3. INSTRUMENTATION INSTALLATION
3-9
3.3.5.1 RF95 Modem and RF100/RF200
Transceiver at the Datalogger
Mount the RF95 RF Modem and the radio
transceiver to the enclosure backplate as
shown in Figure 3.3-6.
1.
Remove the four screws that attach the
lid to the RF95 modem. Remove the
lid, then remove the single screw that
secures the circuit board to the base.
Remove the circuit board, and mount
the base to the enclosure backplate
using the two screws and plastic
grommets provided.
2.
Set the dip switches on the circuit board
to the appropriate Station ID (Table
3.3-1). Each RF95 must have a unique
station ID; address 1 is usually used for
the base station, address 2 for first
remote station, address 3 for the next
remote station, etc. Switch 9 should be
in the "OPEN" position. Reassemble
the circuit board and lid. Do not tighten
the four lid screws at this time.
3.
Attach the radio mounting bracket to
the RF95 lid and tighten the four lid
screws.
4.
Connect the radio to the RF95 with the
cable provided. the ends of the cable are
labeled “RF95” and “RADIO”. Route the
red and black wires to the PS12.
Connect the RF95 to the datalogger using
an SC12 cable.
5.
Mount the antenna to the mast
according to the manufacturer's
instructions. Connect the antenna
cable to the antenna and route the
cable to the radio. Connect the
antenna cable to the radio as shown in
Figure 3.3-6.
6.
Connect the red wire to a 12V terminal.
Connect the black wire to a
terminal.
CAMPBELL
SCIENTIFIC
INC.
MD9
MULTIDROP INTERFACE
MADE IN USA
SERIAL I/O
TRANSCEIVER
CARRIER DETECT
FCC ID: ATH90F0233420050
E.F.JOHNSON CO. U.S.A.
DL 3420
E.F. JOHNSON CANADA INC.
mfg by E.F. JOHNSON USA
DOC T.A. 89178
Serial No3400T144A 17858
MADE IN USA
12V PERIPHERALS
SE
DIFF
G
G
H
L
1
2
1
AG H
L
AG H
L
AG E1
AG E2 G
3
4
2
5
6
3
SE
DIFF
G
G
H
L
7
8
4
AG H
L
AG H
L
AG E3
AG G
G
9
10
5
11
12
6
P1 G
P2
G
C8 C7 C6 C5 C4 C3 C2 C1
G
12V 12V
SDM
5V 5V G
G
SW 12V
SW 12V CTRL
Logan, Utah
G
12V
G 12V
POWER
IN
CR10X WIRING PANEL
MADE IN USA
WIRING
PANEL NO.
EARTH
GROUND
CS I/O
FIGURE 3.3-6. RF95 RF Modem and RF100/RF200 Transceiver
Radio
SC12
RF95 Modem
Antenna
Cable