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| Categories: | M-7000 Modbus RTU Remote Data Acquisition Modules | M-7000 Modbus RTU Remote Data Acquisition Modules |
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The M-7033D is a 3-channel RTD input module with a 41/2 digit LED display. 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.
| Analog Input | |
| Input Channels | 3 |
| Input Type | RTD |
| Wire connection | 2/3/4 wire |
| RTD Type | Pt100 α=0.00385, Pt100 α=0.003916, Ni120, Pt1000 α=0.00385 |
| Resolution | 16-bit |
| Sampling Rate | 15/12.5 samples/ second while filter at 60/ 50Hz |
| Accuracy | +/-0.1% |
| Band Width | 15.7Hz |
| Zero Drift | +/-0.5uV/°C |
| Span Drift | +/-25uV/°C |
| Common Mode Rejection | 150dB min |
| Normal Mode Rejection | 100dB min |
| Open Wire Detection | Yes |
| Intra-module Isolation, Field to Logic | 3000 VDC |
| Interface | |
| Interface | RS-485 |
| Format | N, 8, 1 |
| Baud Rate | 1200 ~ 115200bps |
| LED Display | |
| 1 LED as Power/ Communication indicator | |
| 4 1/2 digits (for M-7033D) | |
| Power | |
| Input Voltage Range | +10 to +30 VDC |
| Power Consumption | 1.0 W (M-7033) / 1.6W (M-7033D) |
| Protocol | |
| Support Modbus and DCON Protocol | Yes |
| Environment | |
| Operating temperature | -25 to 75°C |
| Storage temperature | -40 to 85°C |
| Humidity | 5 to 95% RH, non-condensing |
| Type Code | RTD Type | Temperature Range °C |
| 20 | Platinum 100, α= 0.00385 | -100 ~ 100 |
| 21 | Platinum 100, α= 0.00385 | 0 ~ 100 |
| 22 | Platinum 100, α= 0.00385 | 0 ~ 200 |
| 23 | Platinum 100, α= 0.00385 | 0 ~ 600 |
| 24 | Platinum 100, α= 0.003916 | -100 ~ 100 |
| 25 | Platinum 100, α= 0.003916 | 0 ~ 100 |
| 26 | Platinum 100, α= 0.003916 | 0 ~ 200 |
| 27 | Platinum 100, α= 0.003916 | 0 ~ 600 |
| 28 | Nickel 120 | -80 ~ 100 |
| 29 | Nickel 120 | 0 ~ 100 |
| 2A | Platinum 1000, α= 0.00385 | -200 ~ 600 |
| 2E | PT 100, α= 0.00385 | -200°C ~ +200°C |
| 2F | PT 100, α= 0.003916 | -200°C ~ +200°C |
| 80 | PT 100, α= 0.00385 | -200°C ~ +600°C |
| 81 | PT 100, α= 0.003916 | -200°C ~ +600°C |
| 82 | Cu 50 at 0°C | -50 ~ 150 |
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