Intrinsically Safe Isolated Intelligent I/O Modules
- Isolated Safety Barriers
- Signal Isolators
- Surge Protective Devices
- Safety Relays
- Isolated Intelligent I/O Modules
- Intelligent Gateways
- Industrial Data Optical Transceivers
- Online Dew Point Analyzers
- Data Acquisition Modules
- HART data converter
- Terminal Board
PHM-7530 Ex. Three-channel analog input module
Product overview
It can convert the three channel current signal in the dangerous area isolated into the digital signals, and according to MODBUS RTU protocol provide the digital signals to PHM7100, PLC or host computer systems.
Technical indicators
| Power supply | 20~35VDC |
| Output power supply with provided power | When the circuit is with output 20mADC, the provided voltage is greater than 16VDC Input Two, three-wire system or DC 4~20mA DC |
| Input | Two, three-wire system or DC 4~20mA DC |
| Accuracy | 0.1% |
| Response time | ≤10ms |
| The channel number | 3 channels |
| Communication interface | RS485 |
| Communication protocol | MODBUS RTU |
| Dielectric strength | ≥2500VAC (intrinsically safe terminal and non-intrinsically safe terminal) |
| Insulation resistance | ≥100MΩ |
| Applicable field equipment |
Two or three-wire transmitters or DC signals, this product can be connected with products from multiple manufacturers (ABB, Fisher, Rosemount, Honewe11 and imported technology 1151, EJA, SMAR and other products) |
| Temperature parameter | Continuous working temperature: -20℃~+60℃, storage temperature: -40℃~+85 |
| Relative air humidity | 10%~95%RH non-condensation |
| Explosion-proof sign | [Exia Ga] ⅡC |
|
Authentication parameters (between terminals 1-2, 4-5 and 7-8) |
Um=250V Uo=10.5V Io=15m Co=1.7μF Lo=100mH Po=39.4mW |
|
Authentication parameters (between terminals 2-3, 5-6 and 8-9) |
Um=250V Uo=28V Io=93mA Co=0.05μF Lo=2.4mH Po=0.65mW |
| Installation place requirements | It can be connected with instruments in 0 zone with ⅡA, ⅡB, ⅡC dangerous gas |
Product characteristic
- 1.Low power consumption, low temperature drift, automatic zero calibration.
- 2.Support hot-plug
- 3.The MODBUS RTU communication protocol is supported, and the communication rate is as high as 115200bps.
- 4.Support power supply and communication in two ways: backplane mounting rail and terminal.
- 5.Combined used with PHM-7100 to support MODBUS TCP/IP, so that to simplify the installation and maintenance, and to improve the data transmission performance.
Product Display
