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The M-7000 series is a family of network data acquisition and control modules that support Modbus RTU and DCON protocols. With the Modbus RTU protocol, the modules can easily communicate with most popular SCADA/ HMI software packages and PLC's. It has the same form factor as the I-7000 series.
The M-7033 is a 3-channel RTD Input module that is used for measuring temperatures via an RTD sensor and supports Pt100, Ni120, and Pt1000 type sensors. This module allows 2/3 or 4-wire RTD connections and features open wire detection. The M-7033 also includes 3000 VDC intra-module isolation, and supports lead resistance elimination for 3/4-wire connections.
Input Specifications
| Models | I-7033 | I-7033D | M-7033 | M-7033D |
| RTD Input | ||||
| Channels | 3 | |||
| Wiring | 2/3/4-wire | |||
| Sensor Type | Pt100, Pt1000, Ni120 | |||
| Resolution | 16-bit | |||
| Accuracy | ±0.1% | |||
| Sampling Rate | 15 Hz | |||
| Individual Channel Configuration | No | |||
| Overvoltage Protection | ±25 VDC | |||
| Open Wire Detection | Yes | |||
|
3/4-wire RTD Lead Resistance Elimination |
Yes | |||
| Resistance Measurement | 3.2 kΩ Max. | |||
Module Specifications
| Models | I-7033 | I-7033D | M-7033 | M-7033D |
| Communication | ||||
| Interface | RS-485 | |||
| RS-485 Bias Resistor | No (An RS-485 master is required to provide the bias.) | |||
| Format | (N, 8, 1) (N, 8, 2) (E, 8, 1) (O, 8, 1) | |||
| Baud Rate | 1200 ~ 115200 bps | |||
| Protocol | DCON | Modbus RTU, DCON | ||
| Dual Watchdog | Yes, Module (1.6 Seconds), Communication (Programmable) | |||
| LED Indicator/Display | ||||
| System LED Indicator | Yes, 1 as Power/Communication Indicator | |||
| I/O LED Indicator | - | |||
| 7-Segment LED Display | - | Yes | - | Yes |
| Isolation | ||||
| Intra-Module Isolation, Field-to-Logic | 3000 VDC | |||
| EMS Protection | ||||
| ESD (IEC 61000-4-2) | ±2 kV Contact for each Terminal | |||
| EFT (IEC 61000-4-4) | ±4 kV to Power Line | |||
| Surge (IEC 61000-4-5) | ±0.5 kV for Power Line | |||
| Power | ||||
| Reverse Polarity Protection | Yes | |||
| Input Range | +10 ~ +30 VDC | |||
| Consumption | 1.0 W | 1.6 W | 1.0 W | 1.6 W |
| Mechanical | ||||
| Dimensions (L x W x H) | 123 mm x 72 mm x 35 mm | |||
| Installation | DIN-Rail or Wall Mounting | |||
| Environment | ||||
| Operating Temperature | -25 ~ +75°C | |||
| Storage Temperature | -40 ~ +85°C | |||
| Humidity | 10 ~ 95% RH, Non-condensing | |||
The M-7000 series is a family of network data acquisition and control modules that support Modbus RTU and DCON protocols. With the Modbus RTU protocol, the modules can easily communicate with most popular SCADA/ HMI software packages and PLC's. It has the same form factor as the I-7000 series.
The M-7033 is a 3-channel RTD Input module that is used for measuring temperatures via an RTD sensor and supports Pt100, Ni120, and Pt1000 type sensors. This module allows 2/3 or 4-wire RTD connections and features open wire detection. The M-7033 also includes 3000 VDC intra-module isolation, and supports lead resistance elimination for 3/4-wire connections.
Input Specifications
| Models | I-7033 | I-7033D | M-7033 | M-7033D |
| RTD Input | ||||
| Channels | 3 | |||
| Wiring | 2/3/4-wire | |||
| Sensor Type | Pt100, Pt1000, Ni120 | |||
| Resolution | 16-bit | |||
| Accuracy | ±0.1% | |||
| Sampling Rate | 15 Hz | |||
| Individual Channel Configuration | No | |||
| Overvoltage Protection | ±25 VDC | |||
| Open Wire Detection | Yes | |||
|
3/4-wire RTD Lead Resistance Elimination |
Yes | |||
| Resistance Measurement | 3.2 kΩ Max. | |||
Module Specifications
| Models | I-7033 | I-7033D | M-7033 | M-7033D |
| Communication | ||||
| Interface | RS-485 | |||
| RS-485 Bias Resistor | No (An RS-485 master is required to provide the bias.) | |||
| Format | (N, 8, 1) (N, 8, 2) (E, 8, 1) (O, 8, 1) | |||
| Baud Rate | 1200 ~ 115200 bps | |||
| Protocol | DCON | Modbus RTU, DCON | ||
| Dual Watchdog | Yes, Module (1.6 Seconds), Communication (Programmable) | |||
| LED Indicator/Display | ||||
| System LED Indicator | Yes, 1 as Power/Communication Indicator | |||
| I/O LED Indicator | - | |||
| 7-Segment LED Display | - | Yes | - | Yes |
| Isolation | ||||
| Intra-Module Isolation, Field-to-Logic | 3000 VDC | |||
| EMS Protection | ||||
| ESD (IEC 61000-4-2) | ±2 kV Contact for each Terminal | |||
| EFT (IEC 61000-4-4) | ±4 kV to Power Line | |||
| Surge (IEC 61000-4-5) | ±0.5 kV for Power Line | |||
| Power | ||||
| Reverse Polarity Protection | Yes | |||
| Input Range | +10 ~ +30 VDC | |||
| Consumption | 1.0 W | 1.6 W | 1.0 W | 1.6 W |
| Mechanical | ||||
| Dimensions (L x W x H) | 123 mm x 72 mm x 35 mm | |||
| Installation | DIN-Rail or Wall Mounting | |||
| Environment | ||||
| Operating Temperature | -25 ~ +75°C | |||
| Storage Temperature | -40 ~ +85°C | |||
| Humidity | 10 ~ 95% RH, Non-condensing | |||
