BENSHAW RediStart EXEXMVRMX3 Series, User Manual

Page: 22 / 222

2.2.5 CT Ratios
2.2.6 Optional RTD Module Specifications
The starter has the option of operating with up to two Benshaw SPR-100P remote RTD modules.
12
2 - TECHNICAL SPECIFICATIONS
CT Ratio (x:5)
Minimum FLA
(A rms)
Maximum FLA
(A rms)
50:5 11 45
150:5 33 135
250:5 55 225
800:5 176 720
2000:5 440 1800
5000:5 1100 4500
Table 3: CT Ratios
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%, 2.5W
Communication Type
Modbus RTU, RS-485, 19.2Kbps
Modbus
®
Addresses
16 to 23
Operating Environment -40 to 60
°
C (-40 to 140
°
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
Listing cUL
Table 4: Remote RTD Module Specifications