7541229 TURCK | Alldatasheet

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Edition • 2023-07-21T16:29:12+02:00 Isolating switching amplifier 1-channel IM1-121EX-R The 1-channel IM1-12EX-R isolating switching amplifier is equipped with an intrinsically safe input circuit. Sensors according to EN 60947-5-6 (NAMUR) or potential-free contact transmitters can be connected to the device. The output circuit features 2 relays each with an NO contact, one of which works as an alarm output. You can toggle between working or closed current, i.e. NO or NC mode, via three switch- es at the front. The switching state of channel 1 is thereby transmitted to output 1. When using mechanical contacts, wire-break and short-circuit monitoring must be switched off or the contacts must be wired to resistors (II) (see circuit diagram). The Pwr LED lights green to indicate opera- tional readiness. The 2-color LED 1 lights yel- low to indicate the switching status of the out- put. In the event of an input circuit error, the 2- color LED turns red, with the input circuit mon- itoring switched on. Thereupon the output and the alarm relay drop out. ■ 2 relay outputs (NO) ■ Output mode adjustable (NO/NC mode) ■ Common alarm output ■ Input circuits monitored for wire-break/ short-circuit (ON/OFF switchable) ■ SIL 2 ■ Complete galvanic isolation ■ Input reverse-polarity protected ■ ATEX, IECEx, cUL, cFM, CSA, TR CU, NEPSI, KOSHA, TIIS, CCOE, INMETRO ■ Installation in zone 2

Edition • 2023-07-21T16:29:12+02:00 Type IM1-121EX-R ID 7541229 Nominal voltage Universal voltage supply unit Operating voltage 20…250 VAC Frequency 40…70 Hz Operating voltage 20…125 VDC Power consumption ð 3 W Power dissipation, typical ð 0.98 W NAMUR input NAMUR EN 60947-5-6 Input circuit monitoring on/off switchable No-load voltage 8.2 VDC Short-circuit current 8.2 mA Input resistance 1 kò Cable resistance ð 50 ò Switch-on threshold 1.75 mA Switch-off threshold 1.55 mA Wire breakage threshold ð 0.06 mA Short-circuit threshold ï 6.4 mA Output circuits Output circuits (digital) 2 x relays (NO) Output switching voltage relay ð 30 VDC / ð 250 VAC Switching current per output ð 2 A Switching capacity per output ð 500 VA/60 W Switching frequency ð 10 Hz 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 2553 Application area II (1) G, II (1) D Ignition protection category [Ex ia Ga] IIC; [Ex ia Da] IIIC Ex approval acc. to conformity certificate TÜV 06 ATEX 552968 X Application area II 3 G Ignition protection type Ex nA nC [ic Gc] IIC/IIB T4 Gc Characteristic linear Important note If the device is used in applications to achieve func- tional safety according to IEC 61508, the safety manual must be used. Information in the data sheet are not valid for functional safety. Approval SIL 2 acc. to EXIDA FMEDA Use in SIL safety circuits SIL 2 acc. to IEC 61508 Displays/Operating elements Operational readiness Green Switching state Yellow Error indication red Dimensions Output relay – Load curve Output relay – Electrical lifetime

Edition • 2023-07-21T16:29:12+02:00 Mechanical data Protection class IP20 Flammability class acc. to UL 94 V-0 Ambient temperature -25…+70 °C -25 ... +60 °C für UL, FM, TIIS Storage temperature -40…+80 °C Dimensions 104 x 18 x 110 mm Weight 171 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

Edition • 2023-07-21T16:29:12+02:00 Accessories Type code Ident-No. Dimension drawing WM1 WIDER- STANDSMODUL

0912101 The resistor module WM1 meets the requirements for line

monitoring between a mechanical contact and a TURCK signal processor. The input circuit of the signal processor is designed for sensors acc. to EN60947-5-6 (NAMUR) and equipped with a wire-break and short-circuit monitoring func- tion. 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.