OMB-AI-EXP32 User's Guide
Installing the OMB-AI-EXP32
10
Expansion connector
The OMB-AI-EXP32 has a 37-pin male DSUB connector that connects directly to the 37-pin female DSUB
connector on a OMB-DAQ-2416 series module.
Figure 5. DSUB37 expansion connector pin out
Information on signal connections
General information regarding signal connection and configuration is available in the
Guide to Signal
Connections
. This document is available in the
Documents
subdirectory where you installed the software.
Associating CJC channels with thermocouple channels
TC channels must immediately follow their associated CJC channels in the channel array. For accurate
thermocouple measurements, associate CJC channels with the TC channels as listed below.
CJC channels
TC channels
CJC6
TC8 through TC11
CJC7
TC12 through TC15
CJC8
TC16 through TC19
CJC9
TC20 through TC23
CJC10
TC24 through TC27
CJC11
TC28 through TC31
When measuring thermocouples, configure the OMB-DAQ-2416 series module for differential inputs.
EGND.....
NC.....
DIO_LOAD1.....
DIO_LOAD2.....
IMEN7.....
IMEN8.....
IMEN9.....
IMEN10.....
IM_A0.....
IM_A1.....
IM_A2.....
NC.....
NC.....
VCC.....
AGND.....
EXP_CH.....
AGND.....
EXP_CL.....
AGND.....
.....EGND
.....NC
.....SCK
.....MOSI
.....SDA
.....SCL
.....CM_A2
.....SM_A0
.....SM_A1
.....CM_A3
.....EXTDIO_INT
.....VDD_ISO
.....-20.5 V
.....AGND
.....+20.5 V
.....+5 VA
.....AGND
.....+3.3 V_ISO