Chapter 1
DaqPRO
5
1.
Sensor inputs/alarm output
–
Pluggable screw terminal block (marked Input -1 to Input -8 from
right to left
)
. All eight inputs can be used simultaneously.
If you are using one sensor, connect it to input 1. If you are using two sensors connect them to
inputs 1 and 2, and so on.
I/O
–
8 (Input/Output
–
8) serves either as an input or as alarm output.
To connect a sensor to the
DaqPRO
unplug the screw terminal, connect the sensor
’
s wires to the
terminals, and then plug the terminal back to the corresponding socket on the input block.
2.
Computer USB communication socket
–
Use this socket to connect
DaqPRO
to a computer.
Connect the USB Type B plug (square plug) of the supplied communication cable to the
DaqPRO
and the USB Type A plug (flat plug) to the computer (refer to page 27 for USB driver installation).
3.
External DC power supply socket
–
Plug in an AC/DC 9 - 12V adaptor whenever you want to
save battery power, or to charge the battery when necessary. Connecting external power to the
DaqPRO
automatically charges the internal battery. The adaptor should meet the required
specifications (also refer to section
1.1.3.
Sensor Types and Connections
Each of the 8 input channels of
DaqPRO
is multi-purpose and can be individually configured to any of
the following types and ranges:
Sensor
Type
Range
Current
0 – 24mA
Frequency (input 1 only)
20 to 4000Hz
Pulse counter (input 1 only)
0 to 65,000 pulses
Temperature
Internal
-25 to 70
°
C
Temperature NTC
10K
-25 to 150
°
C
Temperature
NTC 100K
-25 to 150
°
C
Temperature PT-100
2-wire -200 to 400
°
C
Temperature
PT-100 3-wire
-200 to 400
°
C
Temperature Thermocouple
J
-200 to 1200
°
C
Temperature
Thermocouple K
-250 to 1200
°
C
Temperature Thermocouple
T
-200 to 400
°
C
Voltage
0 – 10V
Voltage
0 - 50mV
User defined
Up to 20 types
0 – 10V or 0 – 24mA