Guralp Systems CMG-40T - Manual (Page 32)

CMG-40T
Appendix A Connector pinouts
Appendix A.1 Output port and breakout box RECORDER
connector
Models with a 26-pin mil-spec plug (02E-16-26P) have the following pin
assignments.
Pin Function
A Velocity +ve, vertical channel
B Velocity –ve, vertical channel
C Velocity +ve, N/S channel
D Velocity –ve, N/S channel
E Velocity +ve, E/W channel
F Velocity –ve, E/W channel
G Mass position, vertical channel
J Mass position, N/S channel
L Mass position, E/W channel
M – 12 V DC supply (3-way power option)
N Signal ground
P Calibration signal (all channels)
R Calibration enable (all channels)
U Acc/Vel
V N/S centring motor (remote centring option)
W E/W centring motor (remote centring option)
X Vertical centring motor (remote centring option)
Y Motor return (remote centring option)
b Power ground
c + 12 V DC supply
These outputs are compatible with the CMG-3ESP, so you can use CMG-3ESP
handheld control units and breakout boxes to monitor the low-gain velocity
outputs and calibrate. Note: 40T units with the optional additional high-gain
outputs cannot be used with a CMG-3ESP breakout box. The pinouts for these
32 Issue A