Guralp-systems CMG-3T Manual de usuario descargar pdf (Pagina 47)

Operator's guide

6 Connector pin-outs

6.1 Sensor and control unit pin output

Models with a 26-pin mil-spec plug (02E-16-26P) have the following

pin assignments. The RECORDER and HCU connectors on the breakout

box are connected directly to the SENSOR connector, and therefore

behave identically.

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

H RS232 ground (RS232 control interface option)

J Mass position, N/S channel

K BUSY LED

L Mass position, E/W channel

M Power –ve (not used in sensors with internal DC-DC converters)

N Signal ground

P Calibration signal (all channels)

R Calibration enable, vertical channel

S Calibration enable, N/S channel

T Calibration enable, E/W channel

U Centre

W Unlock

X Lock

Y Logic ground

Z RS232 transmit from instrument (RS232 control interface option)

a RS232 receive at instrument (RS232 control interface option)

b Power ground

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Guralp-systems CMG-3T Manual de usuario Pagina 47