Module RS-485 DCON 8 kênh đầu vào tương tự ICP DAS I-7018
Features
- I-7018
- ±120 VDC Overvoltage Protection
- 8-channel Differential or 6-channel Differential and 2-channel Single-ended Analog Input
- I-7018R and M-7018R
- Overvoltage Protection can be up to 240 Vrms
- 8-channel Differential Analog Input
- Current, Voltage or Thermocouple Input
- 3000 VDC Intra-module Isolation
- Dual Watchdog
- Wide Operating Temperature Range: -25 to +75°C
Introduction
The I-7018/M-7018 is an 8-channel Analog Input module that provides current and voltage input, as well as thermocouple input. The I-7018R/M-7018R is an upgraded version of the I-7018/M-7018 that includes an extremely high-quality protection mechanism where the overvoltage protection can be as high as 240 Vrms. The I-7018R/M-7018R is more suitable for critically harsh environments, and the newly-added open thermocouple detection feature makes the I-7018R/M-7018R more attractive than ever. The I-7018/M-7018/I-7018R/M-7018R also features 4 kV ESD protection and 3000 VDC intra-module isolation. The specifications for the M-7018 and M-7018R are the same as the I-7018 and I-7018R, but provide additional support for the Modbus RTU protocol as well as the DCON protocol.
Application
- Building Automation
- Factory Automation
- Machine Automation
- Remote Maintenance
- Remote Diagnosis
- Testing Equipment
I/O Specification
| Models | I-7018 | I-7018R | M-7018 | M-7018R | |
| Analog Input | |||||
| Channels | 6 Differential and 2 Single-ended, or 8 Differential | 8 Differential | 6 Differential and 2 Single-ended, or 8 Differential | 8 Differential | |
| Wiring | Differential | ||||
| Sensor Types | Thermocouple | J, K, T, E, R, S, B, N, C | |||
| Voltage | ±15 mV, ±50 mV, ±100 mV, ±500 mV, ±1 V, ±2.5 V | ||||
| Current | ±20 mA, 0 ~ +20 mA, +4 ~ +20 mA (requires an optional external 125 Ω resistor) | ||||
| Resolution | 16-bit | ||||
| Accuracy | 0.1% of FSR | ||||
| Sampling Rate | 10 Hz (Total) | ||||
| Input Impedance | > 400 kΩ | ||||
| Common Voltage Protection | 25 VDC | 200 VDC | 25 VDC | 200 VDC | |
| Individual Channel Configuration | – | ||||
| Overvoltage Protection | ±120 VDC | 240 Vrms | ±120 VDC | 240 Vrms | |
| Open Wire Detection (for thermocouple only) |
– | Yes | – | Yes | |
| Temperature Output Consistency | – | ||||
| Stable Temperature Output in the Field | – | ||||
Note: For highly-accurate thermocouple measurement, ICP DAS recommends selecting the I-7018Z/I-7019Z module,which features automatic cold-junction compensation for each channel, ensuring consistent and stable temperature output.
System Specification
| Models | I-7018 | I-7018R | M-7018 | M-7018R |
| Communication | ||||
| Interface | RS-485 | |||
| Bias Resistor | No (Usually supplied by the RS-485 Master. Alternatively, add a tM-SG4 or SG-785.) | |||
| Format | (N, 8, 1) (N, 8, 2) (E, 8, 1) (O, 8, 1) | |||
| Baud Rate | 1200 to 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 | – | |||
| Isolation | ||||
| Intra-Module Isolation, Field-to-Logic | 3000 VDC | |||
| EMS Protection | ||||
| ESD (IEC 61000-4-2) | ±4 kV Contact for each Terminal | |||
| EFT (IEC 61000-4-4) | ±4 kV to Power | |||
| 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 | |||
| 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 to +75°C | |||
| Storage Temperature | -40 to +85°C | |||
| Humidity | 10 to 95% RH, Non-condensing | |||
Ordering information
| I-7018 CR | 8-channel Analog Input Module using the DCON Protocol (Blue Cover) (RoHS) |
| I-7018-G CR | 8-channel Analog Input Module using the DCON Protocol (Gray Cover) (RoHS) |
| I-7018R CR | 8-channel Analog Input Module using the DCON Protocol with High Voltage Protection (Blue Cover) (RoHS) |
| I-7018R-G CR | 8-channel Analog Input Module using the DCON Protocol with High Voltage Protection(Gray Cover) (RoHS) |
| M-7018-G CR | 8-channel Analog Input Module using the DCON and Modbus Protocols (Gray Cover) (RoHS) |
| M-7018R-G CR | 8-channel Analog Input Module using the DCON and Modbus Protocols with High Voltage Protection (Gray Cover) (RoHS) |