Guralp Systems Limited
MAN-BHO-0001 Güralp 3TB Operator's Guide

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1. Preliminary Notes 2. Introduction 3. First encounters 4. Installing the 3TB in a borehole 5. Calibrating the 3TB 6. Inside the 3TB 7. Connector pin-outs 8. Specifications 9. Revision history

Section Index: 7.1. Break-out Box – Power connector 7.2. Break-out Box – Recorder and Control connectors 7.3. Break-out Box – Sensor connector 7.4. Instrument - Sensor Connector

Chapter 7. Connector pin-outs

7.1 Break-out Box – Power connector

These are standard 10-pin “mil-spec” sockets, conforming to MIL-DTL-26482 (formerly MIL-C-26482). A typical part-number is 02E-12-10S although the initial “02E” varies with manufacturer.

Suitable mating connectors have part-numbers like ***-12-10P and are available from Amphenol, ITT Cannon and other manufacturers.

Pin

Function

A

Power supply 0 V

B

Power supply: +ve (12-24 V DC)

C

not connected

D

not connected

E

Digital ground

F

Hole-lock motor

G

not connected

H

not connected

J

not connected

K

Hole-lock motor return

Wiring details for the compatible plug, ***-12-10P, as seen from the cable end (i.e. when assembling).

7.2 Break-out Box – Recorder and Control connectors

This is a standard 26-pin “mil-spec” plug, conforming to MIL-DTL-26482 (formerly MIL-C-26482). A typical part-number is 02E-16-26P although the initial “02E” varies with manufacturer.

Suitable mating connectors have part-numbers like ***-16-26S and are available from Amphenol, ITT Cannon and other manufacturers.

Pin

Function

Pin

Function

A

Velocity, non-inverting – Z

P

Calibration signal (all channels)

B

Velocity, inverting – Z

R

Calibration enable (all channels)

C

Velocity, non-inverting – N/S

S

Inclinometer output - X

D

Velocity, inverting – N/S

T

Inclinometer output - Y

E

Velocity, non-inverting – E/W

U

Centre

F

Velocity, inverting – E/W

V

Direct

G

Mass position – Z

W

Unlock

H

not connected

X

Lock

J

Mass position – N/S

Y

Digital ground

K

“Busy” LED

Z

Inclinometer power

L

Mass position – E/W

a

not connected

M

not connected

b

Power supply 0 V

N

Signal ground

c

Power supply: +ve (12-24 V DC)

Wiring details for the compatible socket, ***-16-26S, as seen from the cable end (i.e. when assembling).

7.3 Break-out Box – Sensor connector

This is a standard 26-pin “mil-spec” plug, conforming to MIL-DTL-26482 (formerly MIL-C-26482). A typical part-number is 02E-16-26P although the initial “02E” varies with manufacturer.

Suitable mating connectors have part-numbers like ***-16-26S and are available from Amphenol, ITT Cannon and other manufacturers.

Pin

Function

Pin

Function

A

Velocity, non-inverting – Z

P

Calibration signal (all channels)

B

Velocity, inverting – Z

R

Calibration enable (all channels)

C

Velocity, non-inverting – N/S

S

Inclinometer output - X

D

Velocity, inverting – N/S

T

Inclinometer output - Y

E

Velocity, non-inverting – E/W

U

Centre

F

Velocity, inverting – E/W

V

Direct

G

Mass position – Z

W

Unlock

H

Hole-lock motor

X

Lock

J

Mass position – N/S

Y

Digital ground

K

“Busy” LED

Z

Inclinometer power

L

Mass position – E/W

a

not connected

M

not connected

b

Power supply 0 V and
Hole-lock motor return

N

Signal ground

c

Power supply: +ve (12-24 V DC)

Wiring details for the compatible socket, ***-16-26S, as seen from the cable end (i.e. when assembling).

7.4 Instrument - Sensor Connector

This is a custom 32-pin plug with pin spacing and layout conforming to MIL-DTL-26482 (formerly MIL-C-26482). The GSL part number is ELM-32P-18FX+MEC-GEN-1002-32W.

Pin

Function

Pin

Function

A

Hole-lock motor

T

Inclinometer output - Y

B

Hole-lock motor return

U

Inclinometer output - X

C

Inclinometer power

V

Centre

D

Power supply: +ve (12-24 V DC)

W

“Busy” LED

E

Power supply: 0 V

X

Direct

F

Mass position – Z

Y

Lock

G

Mass position – N/S

Z

Unlock

H

Mass position – E/W

a

not connected

J

Velocity, non-inverting – Z

b

Acceleration/Velocity mode

K

Velocity, inverting – Z

c

not connected

L

Velocity, non-inverting – N/S

d

not connected

M

Velocity, inverting – N/S

e

Signal ground

N

Velocity, non-inverting – E/W

f

Digital ground

P

Velocity, inverting – E/W

g

not connected

R

Calibration signal (all channels)

h

not connected

S

Calibration enable (all channels)

j

Case ground

Wiring details for the compatible socket, MEC-GEN-2002-32W, as seen from the cable end (i.e. when assembling).

PreviousNext

1. Preliminary Notes 2. Introduction 3. First encounters 4. Installing the 3TB in a borehole 5. Calibrating the 3TB 6. Inside the 3TB 7. Connector pin-outs 8. Specifications 9. Revision history