| Type |
8-channel isolated thermocouple/millivolt input module (enhanced accuracy) |
| Input Channels |
8 independent differential inputs |
| Input Types |
Thermocouple: J, K, T, E, R, S, B, N, C, L, U Millivolt: ±25 mV, ±50 mV, ±100 mV, ±150 mV (selectable per channel) |
| Temperature Range |
Type J: -210°C to +1200°C Type K: -270°C to +1372°C Type T: -270°C to +400°C Type E: -270°C to +1000°C Type R/S: -50°C to +1768°C Type B: +200°C to +1820°C Type N: -270°C to +1300°C Type C: 0°C to +2320°C |
| Resolution |
0.05°C or 1 µV (16-bit A/D conversion) |
| Accuracy |
±0.3°C typical (±0.5°C max) for thermocouples; ±0.05% FSR for mV inputs |
| Cold Junction Compensation |
Dual onboard CJC sensors with auto-calibration; ±0.3°C accuracy (0°C to 60°C) |
| Update Rate |
120 ms for all 8 channels (15 ms per channel) |
| Input Impedance |
>20 MΩ |
| Common Mode Rejection |
>100 dB @ 50/60 Hz |
| Isolation |
1500 V RMS channel-to-channel and channel-to-backplane |
| Open Wire Detection |
Yes (detects broken, reversed, or shorted leads with polarity indication) |
| Fault Diagnostics |
Overrange, underrange, open circuit, sensor burnout, CJC failure, A/D fault, module self-test |
| Filtering |
Configurable digital low-pass filter (0.1 Hz to 10 Hz per channel); 50/60 Hz notch filter |
| Linearization |
Automatic NIST/IEC 751 and ITS-90 standard polynomial linearization |
| Calibration |
Factory calibrated; field recalibration via software (no potentiometers) |
| Power Supply |
+5 V DC and +24 V DC from PLC backplane |
| Power Consumption |
140 mA @ +5 V, 180 mA @ +24 V |
| Operating Temperature Range |
0°C to +60°C |
| Mounting |
Series 90-30 baseplate (5- or 10-slot) |
| Dimensions |
5.59" x 1.26" x 4.74" (142 mm x 32 mm x 120 mm) approximate |
| Weight |
0.85 lb (0.39 kg) |
| Status Indicators |
Module OK LED, 8 channel status LEDs, dual CJC status LEDs, diagnostic LED |
| Configuration |
Via PLC ladder logic or Hand-Held Programmer (HHP); per-channel scaling, filtering, alarm limits, and custom linearization tables |
| Standards Compliance |
IEC 61131-2, CE, UL, CSA, Class I Division 2, RoHS compliant, NIST traceable |
