022-27698160
sales@tjql.com.cn
022-27698160
sales@tjql.com.cn
PR4131 Universal trip amplifier
RTD input |
|
| RTD type | Pt10/20/50/100/200/250; Pt300/400/500/1000; Ni50/100/120/1000; Cu10/20/50/100 |
| Cable resistance per wire | 50 Ω (max.) |
| Sensor current | Nom. 0.2 mA |
| Effect of sensor cable resistance (3-/4-wire) | < 0.002 Ω / Ω |
| Sensor error detection | Yes |
| Short circuit detection | < 15 Ω |
Linear resistance input |
|
| Linear resistance min….max. | 0 Ω…10000 Ω |
Potentiometer input |
|
| Potentiometer min….max. | 10 Ω…100 kΩ |
TC input |
|
| Thermocouple type | B, E, J, K, L, N, R, S, T, U, W3, W5, LR |
| Cold junction compensation (CJC) via ext. sensor in 5910 | 20…28°C ≤ ±1°C, -20…20°C / 28…70°C ≤ 2°C |
| CJC via int. mounted sensor | ±(2.0°C + 0.4°C * Δt) |
| Sensor error detection | Yes |
| Sensor error current: When detecting / else | Nom. 2 μA / 0 μA |
Current input |
|
| Measurement range | 0…23 mA |
| Programmable measurement ranges | 0…20 and 4…20 mA |
| Input resistance | Nom. 20 Ω + PTC 50 Ω |
Voltage input |
|
| Measurement range | 0…12 VDC |
| Programmable measurement ranges | 0/0.2…1, 0/1…5, 0/2…10 VDC |
| Input resistance | Nom. 10 MΩ |
Relay output |
|
| Relay functions | Setpoint, Window, Sensor error, Latch, Power and Off |
| Hysteresis | 0…100% |
| ON and OFF delay | 0…3600 s |
| Max. voltage | 250 VRMS |
| Max. current | 2 AAC or 1 ADC |
| Max. AC power | 500 VA |
| Sensor error reaction | Break / Make / Hold |
| of span | = of the presently selected range |
