2
2. CONNECTIONS
Connector
Position
Signal
Name
Signal
Description
Type
Level (typ.)
1
FOUT
Vibrating Wire Gage Frequency
Output
5Vpp
2
FOUT_ATT Vibrating Wire Gage Frequency - Attenuated Output
200mVpp
3
LOOP+
Isolated current loop + input (loop power)
Power
+10 to +30VDC
4
LOOP-
Isolated current loop output
Output
Load dependent
5
DAS GND
Power ground for 24V option
Ground
0V
6
+12V
+12V Power Supply input
Power
6-15VDC
7
GND
Ground
Power
0V
8
/I_OUT
Ground return for 4-20mA signal
Power
0V
9
I_OUT
4-20mA source
Output
4-20mA
10
C+
VW coil +
Input
1mVpp
11
C-
VW coil -
Input
1mVpp
12
CR10EX
Excitation (Micro-10 configuration)
Input
TTL/CMOS (EX)
13
CR10EN
Enable (Micro-10 configuration)
Input
TTL/CMOS (C1.C7)
14
CR10CLK
Clock (Micro-10 configuration)
Enable (Generic Datalogger configuration)
Input
TTL/CMOS (C8)
15
GND
Ground
Ground
0V
Table 1 - Connector/Signal Description
NOTE:
Because the 8020-42 requires each vibrating wire gage to have its own pair of twisted
leads, the 8020-42 is not compatible with Geokon models 4900 (VW Load Cell) and 4350-3
(Biaxial Stressmeter).
Summary of Contents for 8020-42CPR
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