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Single Channel RS 422 / RS 485 Isolating Repeater


Serial Line Converter

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24 Vdc nom (20 to 30 Vdc)

Field device:

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The D1061S is used to separate Intrinsically Safe RS 422 / RS 485 equipment located in Hazardous Location from a RS 422 / RS 485 / RS 232 controller located in Safe Area. Up to 32 Devices can be installed on input and output side of the isolator. Transmission speed is adjustable from 1.2 Kbit/s to 1.5 Mbit/s. Terminating impedance (250 Ohm value) is selectable for both side of the communication line. RS 422 / RS 485 connection in Safe Area is provided trough a terminal block and a DB9 female connector. RS232 connection is provided on DB9 female connector. A shield terminal block for connecting cable on Hazardous Location side is provided. Approved for Div. 2 installation. Works with all RS485 protocols, such as MODBUS, Fieldbus, Profibus etc.

Hazardous area:

RS 485 - RS 422 up to 1,5 Mbit

Safe area:

RS 485 - RS 422 - RS 232.


1 channel I.S. RS 422 / RS 485 isolating repeater, provides 3 port isolation (input/output/supply).


• Input/Output from Zone 0 (Zone 20), Division 1, installation in Zone 2, Division 2.
• RS422 / RS485 Hazardous Area I.S. Signal.
• RS232 / RS422 / RS485 Safe Area Signal.
• Transmission speed up to 1.5 Mbit/s.
• For Modbus, Fieldbus, Profibus and all other RS485 protocols.
• Three port isolation, Input/Output/Supply.
• EMC Compatibility to EN61000-6-2, EN61000-6-4.
• In-field programmability by DIP Switch.
• High Reliability, SMD components.
• 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:
DTS0184 D1061S data sheet (English) (PDF 524 KB)
Instruction manual:
ISM0068D1061S instruction manual (PDF 686 KB)
ISM0102General D1000 Series Instruction Manual (PDF 2.39 MB)
ISM0155General D1000 Series Safety Instruction Manual (PDF 3.35 MB)
CRT007ATEX certificate n. Presafe 16ATEX8917 (I.S.) (PDF 489 KB)
CRT020FM 3024643 (USA) & FM-C 3029921C (Canada) (PDF 3.42 MB)
CRT028Korean Register Type Approval Certificate (PDF 577 KB)
CRT033IECEx CoC for D1054S, D1061S, D1063S (I.S.) [link IECEx PRE 16.0084] (PDF 308 KB)
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)
CRT162INMETRO Certificate DNV 13.0135 (PDF 531 KB)
CRT192TRCU Certificate for D1000 Series (PDF 3.15 MB)
CRT216Ukraine certificate for D1000 series (PDF 3.50 MB)
Application notes:
APN0007Universal AC Power Supply for Series D1000 (PDF 44 KB)
BUSPower Bus Optional Enclosure
MCHP065Din Rail Anchor, for Terminal Block Side of Bus Power
MOR016DIN Rail End Stopper Terminal Block
MOR017Plug-in Terminal Block male, Horizontal Output, for Bus Power
MOR022Plug-in Terminal Block female, Horizontal Output, for Bus Power
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)
Dichiarazione di Conformità CE (PDF 145 KB)
EU Declaration of Conformity DTS0250 (PDF 205 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
[Certifications] D1000 Series DNV Certificate for Ships and Offshore
[Products] D1061S Serial Line Isolator communicating up to 1.5 Mbit/s
D1061S - RS422/RS485 Isolating 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 €