Analog Input
- 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-11TD-21
Product Specifications
| Supply voltage | 20~35VDC, power consumption<1.5W (when supply power 24VDC, transmitter input, output 20mA) |
| Power supply output with provided power | When the circuit output is 20mA, the provided voltage is ≥ 16V |
| Input signal | Two-wire or three-wire transmitter or current source signal (HART) |
| Output signal | 4~20mA (HART) |
| Allowable output load capacity | 0~500Ω(customizable) |
| Output accuracy | 0.1%F.S(Typical value：0.05% F.S) |
| Temperature drift | 0.005% F.S/℃ |
| Number of input and output | 1 input 1 output |
| Applicable field equipment | 2-wire, 3-wire transmitter and current source signal, this product is suitable for ABB, Fisher, Rosemount, Honeywell 11, as well as 3351, EJA, SIEMENS and other products with imported technology. |
| Temperature parameters | Working temperature: -20℃ ~ +60℃, storage temperature: -40℃ ~ +80℃ |
| Relative humidity | 10%~95% RH no condensation |
| Insulation strength | Between intrinsically safe side and non-intrinsically safe side (≥3000VAC/min); between power supply and non-intrinsically safe side (≥1500VAC/min) |
| Insulation resistance | ≥100MΩ (between input/output/power supply) |
| Dimensions | Thickness 12.5mm* width 108mm* height 118mm |
| Electromagnetic compatibility | According to IEC 61326-1 (GB/T 18268), IEC 61326-3-1 |
| Explosion-proof mark | [Exia Ga] IIC |
| Functional safety certification | SIL2 according to IEC 61508 and EN 61511 standards |
| Certification body | CQST(China National Quality Supervision and Test Centre for Explosion Protected Electrical Products) |
| Certified parameters (between terminals 1-2) | Um=250V Uo=3.5V Io=—mA Co=100μF Lo=--mH Po=--W |
| Certified parameters (between terminals 3-4) | Um=250V Uo=28V Io=93mA Co=0.05μF Lo=2.4mH Po=0.65W |
| Installation place requirements | It can be connected with instruments in 0 zone with IIA, IIB, IIC dangerous gas |
| MTBF | ≤100000h |
Wiring diagram
Terminal assignments and dimensions
Terminal |
Terminal assignments | ||
9 |
Power supply + | 20～35VDC | |
10 |
Power supply - | ||
| 2-wire | 3-wire | Current source | |
1 |
Input+ | ||
2 |
Input- | Input- | |
3 |
Input+ | Provided power supply+ | |
4 |
Input- | Input+ | |
5 |
Output+ | 4～20mA | |
6 |
Output- | ||
