- 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
PHM-7730 Ex. Three-channel temperature quantity input module
Technical indicators
Power supply |
20~35VD |
Input signal |
RTD/TC/Resistor/mV signals |
Input channels |
3 channels |
Communication interface |
RS48 |
Communication protocol |
MODBUS RTU |
Cold end accuracy |
1℃ |
Temperature drift |
0.005% F.S/℃ |
Configuration mode |
PC programmable |
Dielectric strength |
≥2500VAC (intrinsically safe terminal and non-intrinsically safe terminal) |
Insulation resistance |
≥100MΩ |
Applicable field equipment |
B, E,J, K, N, R, S, T TC, or millivolt signal sensors two-wire or three-wire TC Cu50,Cu100,pt100,pt10 |
Temperature parameter |
Continuous working temperature-20℃-+60℃, storage temperature:-40℃~+85℃ |
Relative air humidity |
10%-95%RH without condensation |
Explosion-proof sign |
[Exia Ga] ⅡC |
Authentication parameters (between terminals 1-2-3, 4-5-6, 7-8-9) |
Um=250V Uo=8.4V Io=31mA |
Installation place requirements |
Can be connected with intrinsically safe instruments in zone 0 with IIA, IIB, IIC dangerous gas |