WAGO 750-498 Analog Input Module In Stock

The 750-498 I/O Module measures either voltages (mV) in the field or analyzes thermocouples.
Depending on the sensor selection for the respective I/O module, the voltage value is output directly or converted into the respective temperature value.
Based on the measured values supplied by the thermocouple and the cold junction temperature, the I/O module determines the corresponding temperature at the measurement point of the thermocouple used.
The I/O module has eight input channels, providing a direct connection from thermocouples to 2-wire sensors.
The field level and the system level are electrically isolated from one another.

Technical Data:

1. Number of analog inputs: 8
2. Number of Channels: 8
3. Signal type: Thermocouple Low voltages
4. Signal type (configurable): Yes
5. Sensor connection: 8 x (2-wire)
6. Data width: 8 x 16-bit data; 8 x 8-bit control/status (optional)
7. Resolution (over entire range): 0.1 °C
8. Conversion time: ≤100 ms (per channel), activated notch filter; ≤50 ms (per channel), deactivated notch filter
9. Measurement error: (25 °C) with cold junction compensation: ≤ ±1 K (type E, N, K, T, J) at ≥-50 °C; ≤ ±2 K (type S, R, C) at ≥100 °C; ≤ ±3 K (type B) at ≥350 °C;(Please find additional measurement error information in the manual.)
10. Temperature error max. (upper-range value): ≤± 0.05%/K
11. Temperature coefficient: Type K: ±0.05 K/K of the upper-range value; Voltage measurements: ±50 ppm/K of the upper-range value
12. Sensor types: Type K, J, B, E, N, R, S, T, C; Voltage measurement: ±30 mV; ±60 mV; ±120 mV; ±240 mV
13. Cold junction compensation: Module-internal based on a cold junction temperature measurement
14. Configuration options: WAGO-I/O-CHECK
15. Supply voltage (system): 5 VDC; via data contacts
16. Current consumption: (5 V system supply) 100mA
17. Supply voltage (field): 24 VDC (-25 … +30 %); via power jumper contacts (power supply via blade contact; transmission via spring contact)
18. Isolation 500 V system/field
19. Indicators LED (1-8) green: Status TC 1 … TC 8; LED (9-16) red: Error TC 1 … TC 8
20. Number of incoming power jumper contacts: 2
21. Number of outgoing power jumper contacts: 2

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