Isolating switching amplifier 2-channel IM1-22EX-T The dual-channel isolating switching amplifier Six front panel switches are available to set Intrinsically safe input circuits Ex ia IM1-22EX-T is equipped with an intrinsically the output mode separately for each channel Installation in zone 2 safe input circuit. (NO/NC mode), as well as to enable/disable FM, NEPSI wire-break (WB) and short-circuit (SC) moni- Sensors according to EN 60947-5-6 (NA- SIL2 toring separately. MUR) can be connected to the device or po- Application area acc. to ATEX: II (1) G, tential-free contactors. When using mechanical contacts, wire-break II (1) D II G 3 and short-circuit monitoring must be switched The output circuits feature two potential-free 2 transistor outputs off or the contact must be wired with resistors and short-circuit protected transistors. (II) (see circuit diagram). Adjustable signal flow direction (NO/ NC) The green LED indicates operational readi- Input circuit monitoring of wire-break/ ness. The switching status of the correspond- short-circuit (ON/OFF switchable) ing output is indicated yellow by the two col- or LED. In the event of input circuit errors the Removable terminal blocks dual color LED changes to red, provided the Galvanic separation of input circuits, input circuit monitoring function is activated. output circuits and power supply Thereupon the related output transistor is de- energized. 1 / 4 TURCK Inc. 3000 Campus Drive Minneapolis, MN 55441-2656 Phone: 763-553-7300 Application Support: 1-800-544-7769 Fax 763-553-0708 www.turck.com Edition 2012-08-16T23:46:10+02:00Isolating switching amplifier 2-channel IM1-22EX-T Dimensions Type IM1-22EX-T Ident-No. 7541232 Ident-No (TUSA) M7541232 Nominal voltage Universal voltage supply unit Operating voltage 20250 VAC Frequency 4070 Hz Operating voltage range 20125 VDC Power consumption 3 W NAMUR EN 60947-5-6 No-load voltage 8.2 VDC Short-circuit current 8.2 mA Input resistance 1 k Cable resistance 50 Switch-on threshold: 1.55 mA Switch-off threshold: 1.75 mA Wire breakage threshold 0.1 mA Short-circuit threshold 6 mA Voltage drop 2.5 V Semicondutor output circuit(s) Output circuits (digital) 2 x transistor (potential-free, short-circuit protected) Switching voltage 30 VDC Switching current per output 50 mA Switching frequency 3000 Hz Galvanic separation Test voltage 2.5 kV Ex approval acc. to conformity certificate TV 04 ATEX 2553 Application area II (1) G, II (1) D Protection type Ex ia Ga IIC Ex ia Da IIIC Max.output voltage U 9.6 V o Max. output current I 11 mA o Max. output power P 26 mW o Rated voltage 250 V Characteristic linear Internal inductance/capacitance L/C Ci vernachlssigbar klein, Li= 65H i i External inductance/capacitance L /C o o Ex ia IIC IIB Lo 1 5 10 2 10 20 mH Co 1,1 0,83 0,74 5,2 3,8 3,4 F Ex approval acc. to conformity certificate TV 06 ATEX 552968 X Application area II 3 G Protection class for belonging equipment Ex nA ic Gc IIC/IIB T4 Max.output voltage U 9.6 V o Max. output current I o 11 mA Max. output power Po 26 mW Characteristic linear External inductance/capacitance Li/Ci Ci vernachlssigbar klein, Li= 65 H External inductance/capacitance Lo/Co Ex ia IIC IIB Lo 1 5 10 2 10 20 mH Co 1,1 0,83 0,74 5,2 3,8 3,4 F Approval SIL 2 Approval Indication Operational readiness green Switching state yellow Error indication red 2 / 4 TURCK Inc. 3000 Campus Drive Minneapolis, MN 55441-2656 Phone: 763-553-7300 Application Support: 1-800-544-7769 Fax 763-553-0708 www.turck.com Edition 2012-08-16T23:46:10+02:00