Product Name | GS8511-EX-B Isolated Barrier |
Number of channels | 1input/1output |
Supply voltage(Ue) | 15~35V DC |
Ambient temperature | -20℃~+60℃ |
Weight | Approx 150g |
EX symbol |
[Ex ia Ga]ⅡC |
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 |
Response time | ≤150ms(switch-on delay);≤20ms(Delay on de-energisation) |
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 150g |
Field apparatus | Safety switch;contact switch |
Suitable location | zone 0;zone 1;zone 2;IIA;IIB;IIC;T4~T6 |
Input signal | Safety switch;contact switch |
Distribution voltage | ≈8V |
Short circuit current | ≈8mA |
Drive capability | 250V AC,2A or 30V DC,2A |
Load type | resistive load |
Output signal | Satety relay |
Supply voltage(Ue) | 15~35V DC |
Power protection | Reverse protection of power supply |
Current consumption | ≤95mA(at 24V DC,output energized) |
Power supply mode | Independent power supply |
Power connecting mode | Terminal |
Depth | 114.5mm |
Height | 99.0mm |
Width | 22.5mm |
Material | PC |
Degree of protection | IP20 |
Flammability rating | UL94/V0 |
Colour | gray |
Approvals | NEPSI;SIL(TUV);ETC |
NEPSI | [Ex ia Ga] IIC Comply with standard: GB 3836.1、GB 3836.4、GB 3836.20 |
Functional safety | SIL3 Comply with standard: IEC 61508 |
Special equipment test | Comply with standard:GB 7588、EN 81-1 |
Max. r.m.s. a.c. or d.c. voltage Um | 250V |
Max.output voltage Uo | 10.5V(9,10) |
Max.output current Io | 14mA(9,10) |
Max.output power Po | 37mW(9,10) |
IIC Max. external inductance Lo | 165mH(9,10) |
IIC Max. external capacitance Co | 2.4μF(9,10) |
IIB Max. external inductance Lo | 495mH(9,10) |
IIB Max. external capacitance Co | 16.8μF(9,10) |
IIA Max. external inductance Lo | 1000mH(9,10) |
IIA Max. external capacitance Co | 75.0μF(9,10) |
Type of equipment | Type A |
Safety integrity level(SIL) | 3 |
Mode of operation (Low demand) | IEC 61508-Low demand |
Safe failure fraction(Low demand) (SFF) | ≥99% |
Proof test interval(Low demand) (PTI) | 20 years |
λS(Low demand) | 5.87E-07 |
λDU(Low demand) | 4E-09 |
λDD(Low demand) | 3.96E-07 |
Average probability of dangerous failure on demand(Low demand) (PFDAVG) | 1.77E-05 |
Diagnostic coverage(Low demand) (DC) | ≥99% |
Mode of operation (High demand) | IEC 61508-High demand |
Safe failure fraction(High demand) (SFF) | ≥99% |
Proof test interval(High demand) (PTI) | 20 years |
λS(High demand) | 5.87E-07 |
λDU(High demand) | 4E-09 |
λDD(High demand) | 3.96E-07 |
Average frequency of a dangerous failure per hour(High demand) (PFH) | 2.03E-10 |
Diagnostic coverage(High demand) (DC) | ≥99% |
Stop category | 0 |
Mission time (TM) | 20 years |
Diagnostic covery (Dcavg) | ≥99% |
Electrical fast transient/burst immunity | According to:IEC 61326-3-1 |
Surge immunity | According to:IEC 61326-3-1 |
Radiated,radio-frequency,electromagnetic field immunity | According to:IEC 61326-3-1 |
Electrostatic discharge immunity | According to:IEC 61326-3-1 |
Immunity to conducted disturbances, induced by radio-frequency fields | According to:IEC 61326-3-1 |
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 |