1input/1output
－20V～－0.5V
－20V～－0.5V
Terminal Power Supply
Bus Power Supply
24VDC
-19.5V/20mA
| Product Name | GS8557-EX Isolated Barrier |
| Number of channels | 1input/1output |
| Supply voltage(Ue) | 20~35V DC |
| Input signal | －20V～－0.5V |
| Output signal | －20V～－0.5V |
| Weight | Approx 100g |
| Field apparatus |
Vibration sensor;Negative voltage generator |
| Number of channels | 1input/1output |
| Dielectric strength | Between non-intrinsically safe part and intrinsically safe part≥2500VAC,Between power supply part and non-intrinsically safe part≥500VAC |
| Temperature drift | 0.01%/℃(－20℃～+60℃) |
| DC transmission accuracy | ＜±50mV |
| AC transmission accuracy | 0Hz～1kHz ±1％; 1kHz～10kHz －2％～＋1％; 10kHz～20kHz －5％～＋1％ |
| Response time | ＜10us |
| Insulation resistance | Between non-intrinsically safe part and intrinsically safe part≥100MΩ,Between power supply part and non-intrinsically safe part≥100MΩ |
| Electromagnetic compatibility | According to IEC 61326-1(GB/T 18268) |
| EX marking | [Ex ia Ga]ⅡC |
| Weight | Approx 100g |
| Field apparatus | Vibration sensor;Negative voltage generator |
| Suitable location | zone 0;zone 1;zone 2;IIA;IIB;IIC;T4~T6 |
| Input signal | －20V～－0.5V |
| Open circuit voltage | ＞-25V |
| Input impedance | 10kΩ |
| Distribution voltage | ≤-19.5V（at 20mA） |
| Voltage bandwidth | －3dB≤50kHz |
| Phase response | <10us equal to－0.72° 200Hz;－2° 600Hz;－3.6° 1kHz;－36° 10kHz;－72° 20kHz; |
| Output signal | －20V～－0.5V |
| Voltage output load resistance | RL≥20kΩ |
| Supply voltage(Ue) | 20～35V DC |
| Power protection | Reverse protection of power supply |
| Current consumption | ≤65mA (at 24Vdc supply,20mA output) |
| Power supply mode | Independent power supply |
| Power connecting mode | DIN Rail BUS;Terminal |
| Depth | 118.9mm |
| Height | 106.0mm |
| Width | 17.5mm |
| Brand | Phoenix |
| Material | PC |
| Degree of protection | IP20 |
| Flammability rating | UL94/V0 |
| Colour | gray |
| Approvals | NEPSI |
| NEPSI | [Ex ia Ga] IIC Comply with standard: GB 3836.1、GB 3836.4、GB 3836.20 |
| Max. r.m.s. a.c. or d.c. voltage Um | 250V |
| Max.output voltage Uo | 26.5V(9,10,11) |
| Max.output current Io | 93mA(9,10,11) |
| Max.output power Po | 687mW(9,10,11) |
| IIC Max. external inductance Lo | 4.2mH(9,10,11) |
| IIC Max. external capacitance Co | 0.095μF(9,10,11) |
| IIB Max. external inductance Lo | 12.6mH(9,10,11) |
| IIB Max. external capacitance Co | 0.73μF (9,10,11) |
| IIA Max. external inductance Lo | 33.6mH(9,10,11) |
| IIA Max. external capacitance Co | 2.45μF(9,10,11) |
| Electrical fast transient/burst immunity | According to:IEC 61326-1;Class A |
| Surge immunity | According to:IEC 61326-1;Class A |
| Radiated,radio-frequency,electromagnetic field immunity | According to:IEC 61326-1 |
| Electrostatic discharge immunity | According to:IEC 61326-1;Class A |
| Immunity to conducted disturbances, induced by radio-frequency fields | According to:IEC 61326-1 |
| Ambient temperature | -20℃~+60℃ |
| Storage temperature | -40℃～＋80℃ |
| Relative humidity | 10%～90% |
| Environmental requirements | The air should not contain any medium corrupting the coat of chrome,nickel and silver.Moreover,violent quiver and impact or any cause of electromagnetic induction (such as big current or spark,etc.)must be avoided when using |
| Conductor cross section solid range | 0.5~2.5mm² |
| Conductor cross section flexible range | 0.5~2.5mm² |
| Conductor cross section AWG min. | 12 |
| Conductor cross section AWG max. | 24 |
| Stripping length | 8mm |
| Screw thread | M3 |
| Connection method | Screw connection |
| Tightening torque min. | 0.5 Nm |
| Tightening torque max. | 0.6 Nm |
| Mounting type | DIN35mm |
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