| Types of Data Logger Inputs |
| Measured values |
Range |
Accuracy |
Note |
| Current |
DC |
4 to 20 mA |
±0.1% FS (±0.02mA) |
it is possible to connect pasive sensors (powered by monitoring system) or active sensor with its own power supply. Input resistance about 110 Ohms. |
| Voltage |
DC |
-10V to +10V |
±0.1% FS (±10 mV) |
input resistance about 10MOhms |
| -1V to +1V |
±0.1% FS (±1 mV) |
| -100mV to +100mV |
±0.1% FS (±100 uV) |
| -18mV to +18mV |
±0,1% FS (±18 uV) |
| Resistance |
two-wire resistance measurement |
0 to 300 Ohms |
±0.1% FS (±0.3 Ohm) |
measuring current approximately 0.8 mA @ 50ms pulse |
| 0 to 3000 Ohms |
±0.1% FS (±3 Ohm |
measuring voltage approximately 0.5mA @ 50ms pulse |
| 0 to 10000 Ohms |
±0.1% FS (±10 Ohm) |
measuring current approximately 0.1mA @ 50ms pulse |
| Temperature probes Pt and Ni |
Ni1000 |
-50°C to +250°C |
±0.2°C (-50°C to 100°C) |
Ni1000/6180 ppm, two-wire connection |
| ±0.2% MH (100°C to 250°C) |
measuring current approximately 0.5mA @ 50ms pulse |
| Pt100 |
-200°C to +600°C |
±0.2°C (-200°C to+100°C) |
Pt100/3850 ppm, two-wire connection |
| ±0.2% MH (+100°C to +600°C) |
measuring current approximately 0.8mA @ 50ms pulse |
| Pt1000 |
-200°C to +600°C |
±0.2°C (-200°C to+100°C) |
Pt1000/3850 ppm, two-wire connection |
| ±0.2% MH (+100°C to +600°C) |
measuring current about 0.5mA @ 50ms pulse |
| Thermistor |
NTC with selectable formula |
up to maximum thermistor resistance 11000 Ohms |
according to the used resistance range (see measurement of resistance) |
the same characteristics for all connected thermistors.
Default settings: R25=2252Ω, R80=282.7Ω |
| Thermocouple |
K (NiCr-Ni) |
-200°C to 1300°C |
±0.3% MH +1.5°C |
linearized, with cold junction compensation, datalogger must be placed in recommendend working position |
| T (Cu-CuNi) |
-200°C to 400°C |
| J (Fe-Co) |
-200°C to 750°C |
| S (Pt10%Rh-Pt) |
0 to 1700°C |
| N (NiCrSi-NiSiMg) |
-200°C to 1300°C |
| B (Pt30%Rh-Pt) |
100°C to 1800°C |
±0.3% MH+1.0°C (300°C to 1800°C) |
linearized without cold junction compensation |
| Binary signal |
potential-less contact |
binary signal |
input voltage for state "L" (IN-COM) < 0.8 V |
| input voltage for state "H" (IN-COM) > 2 V |
| open collector |
resistance of closed contact for state "L" (IN-COM) < 1 kOhms |
| voltage levels |
resistance of closed contact for state "H" (IN-COM) > 10 kOhms |
| minimum duration for sensing of change: 200ms |
| RS485 |
input for serial signal RS485 |
on request |
input serves for reading from devices supporting protocol ModBus RTU or Advantech |
| connected to terminals next to terminals for channel 15 and 16 |
| input can work with 16 devices |
| Galvanically isolated. |