Omega OMB-DAQ-2416_4AO ユーザーズマニュアル
OMB-DAQ-2416-4AO User's Guide
Specifications
47
Optional OMB-AI-EXP32 expansion module
Use the OMB-AI-EXP32 (sold separately) for applications that need additional analog/thermocouple input and
digital I/O channels. See the Omega Engineering web site for product details.
digital I/O channels. See the Omega Engineering web site for product details.
The OMB-AI-EXP32 expansion port is intended to interface with a OMB-DAQ-2416 series product. Do not try
to use any of the expansion port pins for any other purpose.
to use any of the expansion port pins for any other purpose.
Table 38. OMB-AI-EXP32 37-pin connector pin out
Do not connect to terminal block pins labeled "NC."
Pin
Signal name
Pin description
1
GND
Analog ground
2
NC
No connect
3
GND
Analog ground
4
NC
No connect
5
GND
Analog ground
6
VCC
+12 V power
7
NC
No connect
8
NC
No connect
9
IM_A2
I/O control signal
10
IM_A1
I/O control signal
11
IM_A0
I/O control signal
12
IMEN10
I/O control signal
13
IMEN9
I/O control signal
14
IMEN8
I/O control signal
15
IMEN7
I/O control signal
16
DIO_LOAD2
I/O control signal
17
DIO_LOAD1
I/O control signal
18
NC
No connect
19
NC
No connect
20
+3.3V_ISO
+3.3 V power
21
GND
Analog ground
22
+5 VA
+5 V analog power
23
+20.5V
+20.5 V power
24
GND
Analog ground
25
-20.5V
-20.5 V power
26
VDD_ISO
+5 V digital power
27
EXTDIO_INT
I/O control signal
28
CM_A3
I/O control signal
29
SM_A1
I/O control signal
30
SM_AO
I/O control signal
31
CM_A2
I/O control signal
32
SCL
Serial I/O control signal
33
SDA
Serial I/O control signal
34
MOSI
Serial I/O control signal
35
SCK
Serial I/O control signal
36
NC
No connect
37
NC
No connect
The multiple-channel throughput rate calculation is based on the following formula:
Maximum throughput =
, where n is the number of channels