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Intrinsically Safe Digital Multiplexer Slave Unit (32 inputs)



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Via D2050M Gateway Unit.

Field device:

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Multiplexer D2030M Units, can be installed in the field, close to input sensors, for data acquisition from Hazardous Area and connected to a Safe Area PLC/DCS or other devices, via 2 wire communication link and Gateway D2050M Unit, saving wiring, cables and costs.
The Units are primarily intended for Hazardous Area acquisition from contacts or proximity detectors.
D2030M scans all channels and stores all data in a memory buffer, where they can be rapidly accessed by the Modbus Gateway D2050M Unit.
Each Mux D2030M Unit accepts directly up to 32 input channels and is expandable to 128 channels by using four D2030M Units with a single Modbus Gateway D2050M
Redundant communication is obtained by dual data/supply interface line.
Safety Parameters maintain compatibility with Gas Group II C even in
redundant mode.


• Intrinsically Safe for installation in Zone 1, 2 Gas Group IIC, IIB, IIA T4 or Class I, Division 1, 2 Groups A, B, C, D, Temperature Code T4 and Class I, Zone 1, 2 Groups IIC, IIB, IIA, Temperature Code T4 Hazardous Area/Hazardous Location.
• Inputs from voltage free contacts or EN60947-5-6 proximity detectors from Zone 0, 1, 2 or Class I, II, III, Division 1, 2, Groups A, B, C, D, E, F, G, and Class I, Zone 0, 1, 2 Groups IIC, IIB, IIA Hazardous Location.
• Expandability up to 128 digital channels per system and 31 systems on a single Modbus serial link for up to 3968 channels.
• Redundant field lines for communication/supply.
• EMC Compatibility to EN61000-6-2, EN61000-6-4.
• High reliability, SMD components.
• High density, 32 channels per unit, 128 channels per system.
• Configurable via D2050M Gateway using PC SWC2090 software (free of charge) or user software.
• Modbus output allows savings on PLC/DCS I/O cards cost.
• Lower cables, installation and maintenance costs.
• 1 terminal block per input, no external terminal block required.

Data sheet:
DTS0123 D2030M data sheet (English) (PDF 274 KB)
Instruction manual:
ISM0078D2000M Multiplexer Series System Manual (PDF 1.38 MB)
CRT020FM 3024643 (USA) & FM-C 3029921C (Canada) (PDF 3.42 MB)
CRT024ATEX certificate n. BVS 06 ATEX E 101 X (PDF 1.61 MB)
CRT048IECEx CoC for D2000 Series [link IECEx BVS 09.0049X] (PDF 1.52 MB)
CRT078Metrological Certificate for D2000 Series (Russia) (PDF 1.33 MB)
CRT168NEPSI cert. no. GYJ14.1407X (PDF 6.20 MB)
CRT193TRCU Certificate for D2000 Series (PDF 2.41 MB)
CRT217Ukraine certificate for D2000 series (PDF 1.18 MB)
SWC2090D2000M Software Configurator for Windows
CABF008Cable to connect D2050M to D2010M/D2030M
D2052MMultiplexer Contact-Proximity Relay Output Repeater
D2053MMultiplexer Contact-Proximity O.C Transistor Output Repeater
D2000M Configuration Example 128AI + 64DI (PDF 753 KB)
D2000M Configuration Example 128DI + 128RO (PDF 743 KB)
D2000M Configuration Example 192AI + 32DI + 32 RO (PDF 755 KB)
D2000M Configuration Example 256AI (PDF 730 KB)
D2000M Configuration Example 64AI (PDF 713 KB)
D2000M Configuration Examples (all in one) (ZIP 3.03 MB)
D2000M Multiplexer Series Slide Presentation (PDF 8.43 MB)
EU Declaration of Conformity DTS0256 (PDF 209 KB)
REACh, RoHS Declaration of Conformity (PDF 150 KB)
Russian D2000M Series Powerpoint slide presentation (PDF 978 KB)
Russian D2000M Series presentation (PDF 5.32 MB)
Russian Language D2000 Series Presentation (PDF 5.32 MB)
News: [Certifications] ATEX Certificate for D2000M Multiplexer System
D2030M - Intrinsically Safe Digital Multiplexer

D2000M Configuration Example

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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 €