






GS8512-EX.22 | GS8512-EX.12 | GS8512-EX.11 | |||
Number of channels | 2 in and 2 out | 1 in, 2 out | 1 in, 1 out | ||
Response time | ≤10ms | ||||
Insulation strength | Non-intrinsically safe terminal to intrinsically safe terminal ≥2500V AC, power supply to non-intrinsically safe terminal ≥500V AC | ||||
Insulation resistance | Non-intrinsically safe terminal to intrinsically safe terminal ≥100MΩ, power supply to non-intrinsically safe terminal ≥100MΩ | ||||
Electromagnetic compatibility | Complies with IEC 61326-1(GB/T 18268),IEC 61326-1 | ||||
Explosion-proof mark | [Ex ia Ga]ⅡC; [Ex ia Da]ⅢC | ||||
Connected field devices | Dry contact or NAMUR type proximity switch inputs that comply with DIN19234 standards, on-site equipment (including: intrinsically safe pressure switches, temperature switches, liquid level switches) | ||||
Applicable places | Installed in a safe location, it can be connected to intrinsically safe instruments in hazardous areas up to Zone 0 IIC, Zone 20, and IIIC | ||||
Input signal | Dry contact; NAMUR type proximity switch | ||||
Open-circuit voltage | ≈8V | ||||
Short-circuit current | ≈8mA | ||||
Driving ability | 250V AC,2A or 30V DC,2A | 250V AC,2A or 30V DC,2A | |||
Load type | Resistive load | Resistive load | |||
Output signal | Relay | Relay | |||
Supply voltage (Ue | 20~35V DC | ||||
Power protection | Reverse power supply protection | ||||









