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Using Campbell AVW2xx Vibrating Wire Interfaces – MultiLogger Application Note #21 – Page 11 of 13
Wireless Configurations – AVW200 with Instruments Directly Connected
The following configuration depicts an AVW200 connected wirelessly to the CR800 or CR1000 with
gages connected directly (no multiplexers) to the AVW200. Up to 2 gages may be directly connected to
the AVW200. The radio is a matching RF4xx, connected to the MCU on the CS I/O connection using the
SC12 cable. See the introductory sections on configuring the AVW2xx and RF4xx for wireless operation.
Contact Canary Systems for assistance with using other communications interfaces for the RF4xx
– the RS-232 port and COM1-COM4 (COM1-COM2 on CR800) can be supported.
To configure MultiLogger use the following Direct Connect Gage Type | Make | Model selections:
Gage Type
Make
Model
Output Units
Vibrating Wire AVW2xx SDC7 PB2nn CH1 Digits PakBus 2nn CH1 connected to SDC7 (CS I/O) Digits
SDC7 PB2nn CH2 Digits PakBus 2nn CH2 connected to SDC7 (CS I/O) Digits
Where;
PB2nn: Select the actual address for the device in use.
Note that PakBus addresses 200-215 are currently supported. Contact Canary Systems if your
application requires deployment of more than 16 AVW2xx’s.
Note: These gage types all use 12 volt excitation which should be appropriate for most gages.
Contact Canary Systems if you experience unexplained measurement instability.
To read the Upper Channel (Temperature Device):
Device
Output
Units
AVW200_YSI44005-°C YSI type 44005 on Channel 1 or 2 °C
AVW200_YSI44005-°F YSI type 44005 on Channel 1 or 2 °F
Power
Supply
AVW2xx
1V+
1V
-
1T+
1T
-
GND
2V+
2V
-
2T+
2T
-
GND
CR800/CR1000
G
12V
G
12V
Note: Wire colors may
vary by manufacturer.
RED
BARE
BLACK
WHITE
GREEN
VW#1
RED
BARE
BLACK
WHITE
GREEN
VW#2
CS I/O
RF4xx
G
12V
CS I/O
SC12
Cable
Power
Supply
G
12V
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