Pressure Sensors Creation

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Pressure Sensor Connector

1. Strip the cable housing back long enough that the housing is flush with the bottom of the pin but does not get crimped with the wire.
   • Use the appropriate pin-crimping tool for the given size of pin.
2. Identify orientation of the DSUB shell and the needed channels.
3. Push DSUB contact all the way into DSUB shell.
   • crimp the contact tighter with flat pliers if the pin does not easily push into the shell.

Needed Channels

Honeywell Trustability pressure sensor (GR pressure sensor)

 DAQ header        connector    sensor
 1 GND, black          1          4
 2 +5V, white          3          3
 3 signal, gray        2          2
 twist white/gray conductors to change order at connector housing

MKS 122A Absolute Pressure Gauge

 DAQ header                 connectors  (adapter)  screw terminals
 1 GND, black                  1  1     										 1
 2 +15V, brown                 2  2 												 5
 3 signal, red                 3  3                     3
 4 signal return, orange       4  4                     2
 -15V bus strip: -15V, yellow  5  5                     4

MKS 722B/722C Compact Capacitance Manometer

 DAQ header                   DSUB9
 1 GND, black                   9
 2 +15V, brown                  4
 3 signal, red                  1
 4 signal return, orange        8

MKS iBaratron DMB 45-degree

 DAQ header                   DSUB9
 1 GND, black                   9
 2 +15V, brown                  4
 3 signal, red                  1
 4 signal return, orange        8
 -15V bus strip: -15V, yellow   5

MKS 870B Micro-Baratron Pressure Transducer (“Voltage Unit”)

 DAQ header                   DSUB9
 1 GND, black                9 white
 2 +15V, brown               4 green
 3 signal, red               1 red
 4 signal return, orange     8 black

MKS 870B Micro-Baratron Pressure Transducer (4-20 mA “Current Unit”)

 DAQ header                   DSUB9
 1 GND, do not connect
 2 +15V, brown               4 green
 3 signal, red               9 white
 4 signal return, do not connect
 NOTE: This device requires DAQ signal conditioning circuit with:
   0R series,
   82R parallel (sampling resistor),
   0R from signal	return to GND.
 DAQ input voltage should be 0.328 V to 1.640 V nominal.
 

MKS 870B Micro-Baratron Pressure Transducer (4-20 mA “Current Unit”) Model code F (6-ft cable)

 DAQ header                flying lead
 1 GND, do not connect
 2 +15V, brown                green
 3 signal, red                white
 4 signal return, do not connect
 NOTE: Do not connect anything to red and black sensor conductors.
 NOTE: This device requires DAQ signal conditioning circuit with:
   0R series,
   82R parallel (sampling resistor),
   0R from signal	return to GND.
 DAQ input voltage should be 0.328 V to 1.640 V nominal.
 

MKS 870B Micro-Baratron Pressure Transducer (4-20 mA “Current Unit”) Model code L (10-ft cable)

 DAQ header                flying lead
 1 GND, do not connect
 2 +15V, brown                 red
 3 signal, red                black
 4 signal return, do not connect
 NOTE: Do not connect anything to white and green sensor conductors.
 NOTE: This device requires DAQ signal conditioning circuit with:
   0R series,
   82R parallel (sampling resistor),
   0R from signal	return to GND.
 DAQ input voltage should be 0.328 V to 1.640 V nominal.
 

MKS 901P, 910 DS, 925(?)

 DAQ header                  DSUB15
 1 GND, black                  4
 2 +15V, brown                 3
 3 signal, red                 5
 4 signal return, orange       6

signal return must have a high resistance (>= 100R) to GND, otherwise half the power return current will flow through the signal return line

Inficon CDG025D

 DAQ header                  DA15F
 1 GND, black                  5
 2 +15V, brown                 7, 11
 3 signal, red                 2
 4 signal return, orange       12
 

Inficon CDG020D

 DAQ header                   DE9F
 1 GND, black                  9
 2 +15V, brown                 4
 3 signal, red                 1
 4 signal return, orange       8

Devices with RJ45 interface connectors

Use a short adapter cable with the T568B wiring convention on the RJ45 end to route the signals to the Aeon wiring convention on the Molex end. I.e., the adapter wire colors are determined by the T568B wiring convention, whereas those in the cable from the adapter to the DAQ are determined by Aeon's signal-based wiring conventions.

Edwards AIM-X

 DAQ header                 connectors  (adapter)  RJ45
 F                             F M                  (M)
 1 GND, black                  1 1      orange       2
 2 +15V, brown                 2 2    orange/white   1
 3 signal, red                 3 3    green/white    3
 4 signal return, orange       4 4     blue/white    5
 DIO: gauge enable, yellow     5 5    brown/white    7
 Connect gauge enable to GND to enable the gauge;

open the connection to disable it.

order of cables into rj45

 orange/white orange green/white blue blue/white green brown/white brown

Edwards APG100-XLC

 DAQ header                 connectors  (adapter)  RJ45
 1 GND, black                  1 1      orange       2
 2 +15V, brown                 2 2    orange/white   1
 3 signal, red                 3 3    green/white    3
 4 signal return, orange       4 4     blue/white    5