Liquid Controls SP3000 User Manual
Page 6

6
1.4
GENERAL SPECIFICATIONS
Operating Temperature:
32
o
to 122
o
F (0
o
to 50
o
C)
Storage Temperature:
-10
o
to 160
o
F (-32
o
to 71
o
C)
Humidity:
0 to 90% Non-Condensing
Front Bezel:
NEMA 4X
Case:
ABS Plastic
Dimensions:
See page 2-1, fig 2-1
Voltage:
115 or 230 VAC +/- 15% (Switch Selectable)
50/60 Hz, 24 VDC +/- 20%
Power Consumption:
10 Watts max.
1.5
INPUT SPECIFICATIONS
The following applies to all inputs in all modes. Inputs are referenced to the signal ground. All ground terminals are
connected internally. The exception is the RTD input which is differential but is referenced to ground.
Transient Protection:
100V 5nsec
Note: In the event of the specified fault conditions, unit may temporarily malfunction, but no permanent
damage will occur.
1.51
ANALOG INPUTS
Temperature, Pressure, and Flow (1 each)
*
Current Input
Input Impedance:
100 ohms
Range:
0-20mA, 4-20mA
Maximum sustained input voltage:
5VDC (Fault Condition)
22.9 K
1.5 F
13
14
100
A/D
Typical Current Input Schematic:
*
Voltage Input
Input Impedance:
100K ohms
Range:
0-5V, 0-10V
1.5 F
12
11
A/D
92 K
Typical Voltage Input Schematic: