Guralp-systems CMG-3T Manual de usuario descargar pdf (Pagina 48)

CMG-3T

c Power +ve

In sensors with the RS232 control interface option, the RS232 ground

line (pin H) is isolated from the other ground lines (pins Z and a) using

10 nF decoupling capacitors.

6.2 Sensor output (“D”-type connector option)

As an option, sensors can be equipped with a 26-pin high-density “D”-

type plug in place of the mil-spec connector.

Pin Function

1 Mass position, N/S component

2 Lock

3 BUSY LED

4 Logic ground

5 Mass position, E/W component

7 RS232 transmit from instrument (RS232 control interface option)

8 Signal ground

9 RS232 receive at instrument (RS232 control interface option)

10 Calibration signal

11 Calibration enable, N/S component

12 Calibration enable, vertical component

13 0 V power

14 Velocity –ve, vertical component

15 Calibration enable, E/W component

16 Velocity +ve, vertical component

17 + 10 – 36 V power

18 Velocity –ve, N/S component

19 Centre

20 Velocity +ve, N/S component

21 Factory use only, do not connect

22 Velocity –ve, E/W component

23 Velocity +ve, E/W component

24 Unlock

25 Mass position, vertical component

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Guralp-systems CMG-3T Manual de usuario Pagina 48