Communication Input
- 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
PHD-11TC-22
Overview
The communication signal of PHD-11TC-11 is input into the isolated safety barrier, which can realize the two-way communication of RS-485 Full Duplex digital signal in the dangerous area and the safe area. This product needs independent power supply, and the power supply, input and output are isolated.
| Specifications | |
| Supply voltage | 20~35VDC, Power consumption: ≤30mA (24VDC power supply) |
| Input signal | RS485 full-duplex digital signal |
| Output signal | RS485 full-duplex digital signal |
| Number of input and output channels | 1 input 1 output |
| Applicable field equipments | Equipment with RS485 full-duplex communication interface |
| Transmission delay | ≤10 μs |
| Receiving and transmitting switching time | ≥20ms |
| Temperature parameters | Working temperature: -20℃~+60℃, storage temperature:-40℃~+80℃ |
| Relative humidity | 10%~95% RH no condensation |
| Relative humidity | 10%~95% RH no condensation |
| Insulation resistance | ≥100MΩ (between input/output/power supply) |
| Electromagnetic compatibility | According to IEC 61326-1(GB/T 18268), IEC 61326-3-1 |
| Explosion-proof mark | [Ex ia Ga] IIC [Ex ia Da] ⅢC |
| Certification Body | CQST(China National Quality Supervision and Test Centre for Explosion Protected Electrical Products) |
| Terminals 1-2,3-4 | Um：250V AC/DC Uo=7.7V DC Io=80mA Po=0.15mW Co=6.9μF Lo=5mH |
| Installation site Requirements | Installed in a safe zone, it can be connected to intrinsic safety instruments in hazardous areas up to Zone 0, IIC, Zone 20, and IIIC |
| MTBF | About 100000h |
Note: 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"
PHD-11TC-33A-23
PHD-11TC-22