CMG-3V
Appendix A Connector pinouts
This table combines the pinouts for all connectors on the borehole sensor
and surface control unit. Control signals are normally active low, but
active high versions can be supplied on request.
Column (a): The single connector on the 3V sensor, a 32-way mil-spec
waterproof plug (02E-19-32P).
Column (b): The
SENSOR
connector on the breakout box, a 32-way mil-
spec plug (02E-19-32P).
Column (c): The
RECORDER
and
HCU
connectors on the breakout box,
both 26-way mil-spec plugs (02E-16-26P).
Column (d): The
POWER
connector on the breakout box, a 10-way mil-
spec socket (02E-12-10S).
(a)
(b) (c) (d) Function
A
A
Hole lock motor
B
B
Hole lock motor return
C
C
Z
Inclinometer power
D
D
c
B
+ V power (12 to 24 V)
E
E
b
A
0 V power
F
F
G
Mass position
K
BUSY
LED
J
J
A
Veve
K
K
B
Velocity –ve
R
R
P
Calibration signal
S
S
R
Calibration enable
U
Centre
V
Direct
W
Unlock
X
Lock
V
V
Centring motor (for ofset zeroing)
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