M-7015P
6-channel RTD Analog Input Module with 3-wire RTD lead resistance elimination. Supports RTD types of Pt100, Pt1000, Ni120, Cu100, and Cu1000. Communicable over Modbus RTU and RS-485. Supports operating temperatures between -25 to 75°C (-13F ~ 167F).
References & Support
Features
The I-7000 series is a family of network data acquisition and control modules, providing analog-to-digital, digital-to-analog, digital input/output, timer/counter and other functions. The modules can be remotely controlled using a set of commands, which we call the DCON protocol. Communication between the module and the host is in ASCII format via an RS-485 bi-directional serial bus standard. Baud Rates are software programmable and transmission speeds of up to 115.2 Kbps can be selected.
The functionality of the M-7000 series is the same as the I-7000 series, with the exception that the M-7000 series offers extended support for the Modbus RTU protocol. Some I-7000 modules feature a new design for the frame ground and INIT switch as shown in the figure (rear view). The frame ground provides enhanced static protection (ESD) abilities and ensures the module is more reliable. The INIT switch allows easier access to INIT mode.
The common features of the I-7013/13D, I-7033/33D, I-7015/15P, M-7015/15P, and M-7033/33D modules are as follows:
- 3000V DC inter-module isolation
- 24-bit sigma-delta ADC to provide excellent accuracy
- Direct RTD (resistance temperature detector) connection
- Software calibration
The I-7015/M-7015 is a 6-channel RTD input module. The I-7015P/M-7015P is a 6-channel RTD input module with lead resistances elimination.
Supported RTD types are as follows:
- 1. Platinum, 100 Ohms at 0°C, α= 0.00385
- Platinum, 100 Ohms at 0°C, α= 0.003916
- Platinum, 1000 Ohms at 0°C, α= 0.00385 (I-7013/13D firmware version B1.3 and later, I-7033/33D, M-7033/33D, I-7015/15P and M-7015/15P)
- Nickel, 120 Ohms at 0°C, α= 0.00672
- Copper, 100 Ohms at 0°C, α= 0.00421 (I-7015/15P and M-7015/15P)
- Copper, 1000 Ohms at 0°C, α= 0.00421 (I-7015/15P and M-7015/15P)
- Copper, 100 Ohms at 25°C, α= 0.00427 (I-7015/15P and M-7015/15P)
- Copper, 50 Ohms at 0°C, (I-7015/15P and M-7015/15P firmware version A2.3 and later)
- Nickel, 100 Ohms at 0°C, (I-7015/15P and M-7015/15P firmware version A2.9 and later)
Specifications
| Analog Input | |
| Input Channels | 6 |
| Input Type | RTD |
| Wire connection | 2/3 wire |
| RTD Type | Pt100, Pt1000, Ni120, Cu100, Cu1000 |
| Resolution | 16-bit |
| Sampling Rate | 12 samples/ second (Total) |
| Accuracy | +/-0.05% |
| -3dB BandWidth | 5.24Hz |
| Zero drift | +/-20uV/°C |
| Span drift | +/-25ppm/°C |
| Common Mode Rejection | Typical 86dB |
| Normal Mode Rejection | 100 dB |
| Voltage Input Impedance | >1M Ohms |
| Open Wire Detection | Yes |
| Individual Channel Configurable | Yes |
| 3-wire RTD lead resistance elimination | Yes |
| ESD Protection | 4KV Contact for each terminal, and 8KV Air for random point |
| EFT Protection | 4KV to Power, and 1KV to RS-485 |
| Intra-module Isolation, Field to Logic | 3000 VDC |
| Interface | |
| Interface | Modbus RTU, RS-485 |
| Format | N, 8, 1 |
| Baud Rate | 1200 ~ 115200bps |
| LED Display | |
| 1 LED as Power/ Communication indicator | |
| Power | |
| Input | +10 to +30 Vdc |
| Power Consumption | 1.2W |
| Protocol | |
| Support Modbus and DCON Protoco | Yes |
| Watchdog | Yes, Module, Communication (Programmable over DCON) frmware version B202 and later |
| Environment | |
| Operating temperature | -25 to 75°C |
| Storage temperature | -40 to 85°C |
| Humidity | 5 to 95% RH, non-condensing |
RTD Type Setting
| 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 |
| 2B | Cu 100 at 0°C,α= 0.00421 | -20 ~ 150 |
| 2C | Cu 100 at 25°C,α= 0.00427 | 0 ~ 200 |
| 2D | Cu 1000 at 0°C,α= 0.00421 | -20 ~ 150 |
| 2E | Platinum 100, α= 0.00385 | -200 ~ 200 |
| 2F | Platinum 100, α= 0.003916 | -200 ~ 200 |
| 80 | Platinum 100, α= 0.00385 | -200 ~ 600 |
| 81 | Platinum 100, α= 0.003916 | -200 ~ 600 |
| 82 | Cu 50 at 0°C | -50 ~ 150 |
| 83 | Nickel 100 | -60 ~ 180 |
References and Support
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M-7015
6 Analog Input Chann...
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