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1 ch. Loop Powered Fire / Smoke Detector Interface


Loop Powered

Field device:

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1 (2 channels: D1022D)


The D1022S is a loop-powered single or dual channel isolated current repeater. It can be used to interface transmitter, to drive I/P converter, fire and smoke detectors or similar switched resistor systems, located in Hazardous Area, requiring a wide output current range (from 1 to 40 mA) to operate properly. When drive I/P converter, positioner, display a current source is connected to the input terminals, while interfacing transmitter or fire and smoke detector a voltage source with current readback can be connected. The transmitter current is sinked from the input terminals operating as a transparent interface. For fire and smoke detector, the triggering of a detector causes a corresponding change in the Safe Area circuit current. A field open circuit reflects a high impedance to the control device circuit. The unit has reverse input polarity protection and ≤ 1 % accuracy.

Hazardous area:

1 to 40 mA
V out = (Vin - 1.5) - (0.4 x Iout) for 6V < Vin < 23V
V out = 22 - (0.4 x Iout) for 23V < Vin < 30V
4-20 mA output on output load of 100 to 600 Ohm; Accuracy < 1%

Safe area:

1 to 40 mA
6 to 30 V


1 channel I.S. analog current repeater for transmitters, I/P converter or fire-smoke detectors providing input-output isolation.


• Output to Zone 0 (Zone 20), Division 1, installation in Zone 2, Division 2.
• Wide operating current range from 1 to 40 mA.
• Field open circuit detection.
• Input/Output isolation.
• EMC Compatibility to EN61000-6-2, EN61000-6-4.
• High Reliability, SMD components.
• High Density, two channels per unit.
• Simplified installation using standard DIN Rail and plug-in terminal blocks.
• 250 Vrms (Um) max. voltage allowed to the instruments associated with the barrier.

Data sheet:
DTS0195 D1022S data sheet (English) (PDF 235 KB)
Instruction manual:
ISM0077D1022S instruction manual (PDF 351 KB)
ISM0102General D1000 Series Instruction Manual (PDF 2.39 MB)
ISM0155General D1000 Series Safety Instruction Manual (PDF 3.35 MB)
CRT003ATEX certificate n. DMT 01 ATEX E 042 X (I.S.) (PDF 9.52 MB)
CRT014Metrological Certificate for D1000 Series (Russia) (PDF 779 KB)
CRT020FM 3024643 (USA) & FM-C 3029921C (Canada) (PDF 3.42 MB)
CRT028Korean Register Type Approval Certificate (PDF 577 KB)
CRT032IECEx CoC for D1000 Series (I.S.) [link IECEx BVS 07.0027X] (PDF 2.80 MB)
CRT047ATEX certificate n. IMQ 09 ATEX 013 X (non-sparking) (PDF 160 KB)
CRT125IECEx CoC for D1000 Series (non-sparking) [link IECEx IMQ 13.0011X] (PDF 122 KB)
CRT175INMETRO Certificate DNV 13.0108X (PDF 843 KB)
CRT179DNV Maritime Type Approval Certificate (D1000 Series) (PDF 2.06 MB)
CRT192TRCU Certificate for D1000 Series (PDF 3.15 MB)
CRT216Ukraine certificate for D1000 series (PDF 3.50 MB)
MOR016DIN Rail End Stopper Terminal Block
2D drawing of D1000 Series in DWG format (DWG 118 KB)
3D drawing of D1000 Series in DWG format (DWG 3.49 MB)
3D drawing of D1000 Series in STEP format (STEP 1.65 MB)
Conformal Coating Declaration (PDF 135 KB)
D1000 Dimensional Drawing (PDF 220 KB)
EU Declaration of Conformity DTS0249 (PDF 280 KB)
EU Declaration of Conformity DTS0251 (PDF 261 KB)
REACh, RoHS Declaration of Conformity (PDF 150 KB)
Russian Language D1000 Series Presentation (PDF 4.53 MB)
News: [Certifications] IECEx Certifications for D1000 Series now available
D1022D - Loop Powered Current Repeater

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G.M. International srl

Via G. Mameli, 53-55
I-20852 Villasanta (MB)
Tel: +39 039 2325038
Fax: +39 039 2325107

P. IVA / C.F. : 02312650969
REA: MI1418125
Cap. Soc.: 93600 €