7506320 TURCK | Alldatasheet
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Edition • 2023-07-21T16:26:50+02:00 Analog signal isolator 1-channel IM31-11EX-I Normalized active voltage or current signals are transmitted galvanically isolated from the Ex area to the non-Ex area via the 1-channel analog signal isolator IM31-11EX-I. The device is equipped with one input circuit of 0/2…10 V or 0/4…20 mA and one short-cir- cuit proof output circuit of 0/4…20 mA. The transmission characteristic is adjusted via a DIP switch on the front. In switch position 1:1 the input signal is transmitted without in- terference and made available at the outputs in the non-Ex area. In "LZ" switch position, a dead-zero signal at the input (0…10 V / 0…20 mA) is converted and provided as a live-zero signal at the associated output (4…20 mA). A green LED indicates operational readiness. ■ Transmission of normalized analog signals from the Ex area to the non-Ex area ■ Input circuit: 0/2…10 V or 0/4…20 mA ■ Output circuit: 0/4…20 mA ■ Complete galvanic isolation ■ Input reverse-polarity protected ■ ATEX, IECEx, UL, CFMUS, TR CU, NEPSI, KOSHA ■ Installation in zone 2
Edition • 2023-07-21T16:26:50+02:00 Type IM31-11EX-I ID 7506320 Nominal voltage Universal voltage supply unit Operating voltage 20…250 VAC Frequency 40…70 Hz Operating voltage 20…125 VDC Power consumption ð 2.2 W Voltage input 0/2…10 VDC Input resistance (voltage) ï 50 kò Input current 0/4…20 mA Input resistance (current) ð 50 ò Output circuits Output current 0/4…20 mA Load resistance current output ð 0.5 kò Response characteristic Rise time (10…90 %) ð 50 ms Fall time (90…10 %) ð 50 ms Measuring accuracy (including linearity, hysteresis and repeatability) ð 0.1 % of full scale Reference temperature 23 °C Temperature drift ð 0.01 % of full scale/K Galvanic isolation Test voltage 2.5 kV RMS Important note For Ex-applications the values specified in the corre- sponding Ex certificates (ATEX, IECEx, UL, etc.) ap- ply. Ex approval acc. to conformity certificate TÜV 04 ATEX 2679 Application area II (1) G; II (1) D Ignition protection category [Ex ia Ga] IIC/IIB; [Ex ia Da] IIIC Ex approval acc. to conformity certificate TÜV 06 ATEX 553387 X Application area II 3 G Ignition protection type Ex nA [ic Gc] IIC/IIB T4 Gc Characteristic linear Displays/Operating elements Operational readiness Green Mechanical data Protection class IP20 Flammability class acc. to UL 94 V-0 Ambient temperature -25…+70 °C -25 ... +60 °C für UL, FM Storage temperature -40…+80 °C Dimensions 104 x 18 x 110 mm Weight 146 g Mounting instructions DIN rail (NS35) or panel Housing material Polycarbonate/ABS Electrical connection 4 × 3-pin removable terminal blocks, reverse polarity protected, screw terminal Terminal cross-section 1 × 2.5 mm²/2 × 1.5 mm² Tightening torque 0.5 Nm Dimensions
Edition • 2023-07-21T16:26:50+02:00 Accessories Type code Ident-No. Dimension drawing IM-CC-3X2BU/2BK 6900475 Cage clamp terminals for IM modules (Ex-devices with 18 mm overall width); includes: 2 pcs. 3-pin blue terminals and 2 pcs. 3-pin black terminals.