Guralp Systems Limited
MAN-D24-0004 - Güralp DM24 MkⅢ Operator's Guide

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1. Preliminary Notes 2. Introduction 3. Installing the DM24 4. Using the DM24 5. Using Scream! 6. Command line interface 7. Inside the DM24 8. Güralp Compressed Format 9. Connector pin-outs 10. Digitiser specifications 11. Revision history

Section Index: 9.1. SENSOR A and B ports 9.2. AUXILIARY port 9.3. GPS Port 9.4. DATA IN port 9.5. FIREWIRE port 9.6. USB port 9.7. DATA OUT port

Chapter 9. Connector pin-outs

9.1 SENSOR A and B ports

These are standard 26-pin “mil-spec” plugs, 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

Vertical velocity +ve

P

Calibration signal

B

Vertical velocity –ve

R

Vertical calibration enable

C

N/S velocity +ve

S

N/S calibration enable

D

N/S velocity –ve

T

E/W calibration enable

E

E/W velocity +ve

U

Centre

F

E/W velocity –ve

V

not connected

G

Vertical mass position

W

Unlock

H

not connected

X

Lock

J

N/S mass position

Y

Logic signal ground

K

Busy indicator LED

Z

not connected

L

E/W mass position

a

not connected

M

not connected

b

Power 0 V

N

Signal ground

c

Power +10 to +24 V

Wiring details for the compatible socket, ***-16-26S, as seen from the cable end.

9.2 AUXILIARY port

This is a standard 19-pin “mil-spec” plug, conforming to MIL-DTL-26482 (formerly MIL-C-26482). A typical part-number is 02E-14-19P although the initial “02E” varies with manufacturer.

Suitable mating connectors have part-numbers like ***-14-19S and are available from Amphenol, ITT Cannon and other manufacturers.

Pin

Function

Pin

Function

A

Optional SENSOR B auxiliary / calibration channel +ve

L

SENSOR A signal ground

B

Optional SENSOR B auxiliary / calibration channel –ve

M

Optional SENSOR B
Mux channel M6

C

Optional SENSOR B signal ground

N

Digital ground

D

Optional SENSOR B Mux channel M3

P

not connected

E

Optional SENSOR B Mux channel M4

R

SENSOR A Mux channel MB

F

Optional SENSOR B Mux channel M7

S

SENSOR A Mux channel MC

G

not connected

T

SENSOR A Mux channel MF

H

Optional SENSOR B Mux channel M5

U

SENSOR A Mux channel MD

J

Auxiliary / SENSOR A calibration channel +ve

V

SENSOR A Mux channel ME

K

Auxiliary / SENSOR A calibration channel –ve

Wiring details for the compatible socket, ***-14-19S, as seen from the cable end.

9.3 GPS Port

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

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

Pin

Function

A

Power 0 V

B

Power +12 V

C

1pps signal

D

not connected

E

Digitiser console transmit

F

Digitiser console receive

G

RS232 ground

H

Digitiser console ground

J

RS232 transmit to GPS

K

RS232 receive from GPS

Wiring details for the compatible socket, ***-12-10S, as seen from the cable end.

9.4 DATA IN port

This is a standard 6-pin “mil-spec” plug, conforming to MIL-DTL-26482 (formerly MIL-C-26482). A typical part-number is 02E-10-06P although the initial “02E” varies with manufacturer.

Suitable mating connectors have part-numbers like ***-10-06S and are available from Amphenol, ITT Cannon and other manufacturers.

Pin

Function

A

RS232 transmit

B

RS232 receive

C

not connected

D

not connected

E

not connected

F

RS232 ground

Wiring details for the compatible socket, ***-10-06S, as seen from the cable end.

9.5 FIREWIRE port

When fitted, this is a standard 6-pin “mil-spec” plug, conforming to MIL-DTL-26482 (formerly MIL-C-26482). A typical part-number is 02E-10-06P although the initial “02E” varies with manufacturer.

Suitable mating connectors have part-numbers like ***-10-06S and are available from Amphenol, ITT Cannon and other manufacturers.

Pin

Function

A

Power 0 V

B

TPA +ve

C

TPA −ve

D

TPB −ve

E

TPB +ve

F

Power + V

Wiring details for the compatible socket, ***-10-06S, as seen from the cable end.

9.6 USB port

When fitted, this is a standard 6-pin “mil-spec” plug, conforming to MIL-DTL-26482 (formerly MIL-C-26482). A typical part-number is 02E-10-06P although the initial “02E” varies with manufacturer.

Suitable mating connectors have part-numbers like ***-10-06S and are available from Amphenol, ITT Cannon and other manufacturers.

Pin

Function

A

+5 V DC (USB Type A pin 1)

B

Data –ve (USB Type A pin 2)

C

Data +ve (USB Type A pin 3)

D

0 V (USB Type A pin 4)

E

Shielding

F

Switched power +10 to +35 V

Wiring details for the compatible socket, ***-10-06S, as seen from the cable end.

9.7 DATA OUT port

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

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

Note: The pin-out is the same as the serial output of a Güralp EAM, allowing you to insert a EAM into a pre-existing installation and maintain connectivity.

Pin

Function

A

Power 0 V

B

Power +10 to +36 V

C

RS232 CTS

D

RS232 RTS

E

External trigger output

F

External trigger output

G

RS232 ground

H

External trigger input

J

RS232 receive

K

RS232 transmit

Wiring details for the compatible socket, ***-12-10S, as seen from the cable end.

PreviousNext

1. Preliminary Notes 2. Introduction 3. Installing the DM24 4. Using the DM24 5. Using Scream! 6. Command line interface 7. Inside the DM24 8. Güralp Compressed Format 9. Connector pin-outs 10. Digitiser specifications 11. Revision history