2.1
Specifications
General
The following table lists the specifications for the RTD module.
Model Number
SPR-100P
RTD Type
100
W
Platinum, 3 lead
TCR (
a
)
0.00385
W
/
W
/
°
C
(DIN 43760)
Maximum Lead
Resistance
25
W
per lead
Recommended Lead
Resistance
Less than 16
W
per lead
Shorted Lead Detection
< 60
W
Open Lead Detection
> 260
W
RTD Sensing Current
10 mA DC
RTD Sensing Voltage
10V DC maximum
Range
0 to 200
°
C (32 to 392
°
F)
Resolution
1
°
C (1.8
°
F)
Accuracy
±
1.0% full scale (
±
2
°
C or
±
3.6
°
F)
Sampling Rate
1 RTD per second
Number of RTDs
8
Input Voltage
24 Volts DC
±
20%
Power Consumption
2.5 Watts
Inrush Current
15 Amps for .5
m
-seconds
Communication Type
RS-485
Communication Protocol
Modbus
®
RTU
Modbus
®
Addresses
16 to 23
Baud Rate
19200 bps
Operating Environment
-40 to 60
°
C (-40 to 140
°
F), up to 95% R.H., non-condensing
Storage Environment
Up to two years at -40 to 70
°
C (-40 to 158
°
F), up to 95% R.H., non-condensing
Terminal Strips
Accepts one or two stranded copper wires of the same size from 12 to 30 AWG
Dimensions
5 ½" W x 3 ½" H x 2 ¼" D
Dust/Moisture
IP20
Weight
12.5 ounces (356 grams)
Listing
6
2. TECHNICAL SPECIFICATIONS
