Surge Protection Type Signal Isolators
- Terminal Board
- 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
PHG-11TC-33+
Overview
The communication signal of PHG-11TC-33+ is the isolated safety barrier with surge protection function, which can realize the two-way communication of RS-485 Half Duplex digital signal in the control room and on site.
This product needs independent power supply, and the power supply, input and output are isolated.
Specifications
| Input | |
| Input signal | RS-485 Half Duplex Digital Signal |
| Output: | |
| Output signal | RS-485 Half Duplex Digital Signal |
| Transmission delay | ≤10μs |
| Transmission rate | ≤115.2kbps |
| Surge protection features: | |
| Nominal discharge current ln(8/20μs) | 5kA |
| Voltage protection level Up(8/20μs): | 60V(line to line) |
| Voltage protection level Up(8/20μs): | 600V(line to ground) |
| According to standards | GB/T18802.21-2016(equivalent to 1EC61643-21:2012) |
| Supply voltage | 20-35VDC |
| Power consumption | 0.9W(24V power supply) |
| LED indicator |
Green: power indicator Yellow: The control room transmits signals to the on site Red: transmitting signals from the site to the control room |
| Receiving and transmitting switching time | ≥20ms |
| Temperature parameters |
Working temperature: -20℃~+60℃ storage temperature:-40℃~+80℃ |
| Relative humidity | 10%~95% RH no condensation |
| Insulation strength | ≥2000VAC/min (between input/output/power supply) |
| Insulation resistance | 100MΩ(500V DC) (between input/output/power supply) |
| Electromagnetic compatibility | GB/T 18268 (IEC 61326-1) |
| MTBF | 80000h |
| Wire requirements | Horizontal cutting surface ≥ 0.5mm2; Insulation strength ≥ 500V |
| Applicable field equipments | Communication interface device with RS-485 Half Duplex Digital Signal |
Dimension
Schematic diagram
Note:
1. The power rail function is an optional function, and users need to specify the power supply method when placing an order
The selection of power rail connectors can refer to page 89 of the "Annex"