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M-7033 - 3 Channel RTD Analog Input Data Acquisition Module, communicable over Modbus RTU and RS-485
by ICP DAS
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3 Channel RTD Analog Input Data Acquisition Module, communicable over Modbus
RTU and RS-485. Supports operating temperatures between -25 to 75°C.
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The M-7000 series is a family of network data acquisition and control modules
that support Modbus RTU. They can be remotely controlled using a set of commands
called DCON protocol. With the Modbus RTU protocol, it can easily communicate
with most popular SCADA/ HMI software and PLCs.
- LED Display with 4 1/2 digits (for M-7033D only)
- Communication Interface: RS-485
- Din Rail Mount
- Analog Input Channels: 3
- Input Type: Pt , Ni
- Wire connection: 2/3/4 wire
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Analog Input |
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Input Channels |
3 |
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Input Type |
RTD |
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Wire connection |
2/3/4 wire |
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RTD Type |
Pt100 α=0.00385, Pt100 α=0.003916, Ni120, Pt1000 α=0.00385 |
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Resolution |
16-bit |
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Sampling Rate |
15/12.5 samples/ second while filter at 60/ 50Hz |
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Accuracy |
+/-0.1% |
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Band Width |
15.7Hz |
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Zero Drift |
+/-0.5uV/°C |
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Span Drift |
+/-25uV/°C |
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Common Mode Rejection |
150dB min |
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Normal Mode Rejection |
100dB min |
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Open Wire Detection |
Yes |
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Intra-module Isolation, Field to Logic |
3000 VDC |
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Interface |
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Interface |
RS-485 |
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Format |
N, 8, 1 |
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Baud Rate |
1200 ~ 115200bps |
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LED Display |
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1 LED as Power/ Communication indicator |
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4 1/2 digits (for M-7033D) |
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Power |
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Input Voltage Range |
+10 to +30 VDC |
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Power Consumption |
1.0 W (M-7033) / 1.6W (M-7033D) |
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Protocol |
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Support Modbus and DCON Protocol |
Yes |
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Environment |
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Operating temperature |
-25 to 75°C |
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Storage temperature |
-40 to 85°C |
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Humidity |
5 to 95% RH, non-condensing |
RTD Temperature Range
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Type Code |
RTD Type |
Temperature Range °C |
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20 |
Platinum 100, α= 0.00385 |
-100 ~ 100 |
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21 |
Platinum 100, α= 0.00385 |
0 ~ 100 |
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22 |
Platinum 100, α= 0.00385 |
0 ~ 200 |
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23 |
Platinum 100, α= 0.00385 |
0 ~ 600 |
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24 |
Platinum 100, α= 0.003916 |
-100 ~ 100 |
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25 |
Platinum 100, α= 0.003916 |
0 ~ 100 |
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26 |
Platinum 100, α= 0.003916 |
0 ~ 200 |
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27 |
Platinum 100, α= 0.003916 |
0 ~ 600 |
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28 |
Nickel 120 |
-80 ~ 100 |
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29 |
Nickel 120 |
0 ~ 100 |
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2A |
Platinum 1000, α= 0.00385 |
-200 ~ 600 |
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2E |
PT 100, α= 0.00385 |
-200°C ~ +200°C |
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2F |
PT 100, α= 0.003916 |
-200°C ~ +200°C |
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80 |
PT 100, α= 0.00385 |
-200°C ~ +600°C |
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81 |
PT 100, α= 0.003916 |
-200°C ~ +600°C |
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82 |
Cu 50 at 0°C |
-50 ~ 150 |
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