Technical data
Technical data | KL3222, KS3222 | |
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Inputs | 2 | |
Sensor types | PT100, PT200, PT500, PT1000, Ni100, Ni120, Ni1000, resistance measurement (e.g. potentiometer connection, 10 Ω...1.2/5 kΩ), KTY | |
Connection technology | 4-wire (2/3-wire possible, see below) | |
Measuring range | Pt sensors | -200…+850 °C |
Ni sensors | -60…+250 °C | |
high-precision | -200…+320 °C | |
Conversion time | approx. 50 ms | |
Measuring current | typically 0.5 mA | |
Resolution | 0.01°C per digit | |
Measuring accuracy | 0.1 °C at 40 °C ambient temperature, 4-wire connection, PT100 sensors and 50 Hz filter | |
Bit width in the input process image | 2 data words, 2 status bytes (optional) | |
Bit width in the output process image | 2 control bytes (optional) | |
Power supply for the electronics | via the K-bus | |
Current consumption from K-bus | typically 60 mA | |
Electrical isolation | 500 V (K-Bus/signal voltage) | |
Terminal points | Spring-loaded terminals | |
for all KSxxxx terminals | ||
Weight | approx. 70 g | |
Dimensions (W x H x D) | approx. 15 mm x 100 mm x 70 mm (width aligned: 12 mm) | |
on 35 mm mounting rail conforms to EN 60715 | ||
Permissible ambient temperature range during operation | 0 °C ... + 55 °C | |
Permissible ambient temperature range during storage | -25 °C ... + 85 °C | |
Permissible relative air humidity | 95 %, no condensation | |
Enhanced mechanical load capacity | Yes, see Installation instructions for terminals with enhanced mechanical load capacity | |
Vibration / shock resistance | conforms to EN 60068-2-6 / EN 60068-2-27 | |
EMC immunity / emission | conforms to EN 61000-6-2 / EN 61000-6-4 | |
Protection class | IP20 | |
Installation position | variable | |
Approval/Markings* | CE, UKCA, cULus, EAC, ATEX |
*) Real applicable approvals/markings see type plate on the side (product marking).
Ex marking
Standard | Marking |
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ATEX | II 3 G Ex nA IIC T4 Gc |
![]() | The KL3222 is designed for 4-wire measurement The KL3222 is designed for 4-wire measurement. +R/-R are the current-carrying connection cables, +RL/-RL are the currentless sense cables.
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