General description:
D2000M series Intrinsically Safe Multiplexing System consists of one to four
Analog-Temperature Multiplexer units model D2010M, up to twelve Expander units
model D2011M, or up to four Digital Multiplexer units model D2030M, mounted in
Hazardous Area/Hazardous Locations Zone 1-2, Gas Group IIC-IIB-IIA T4 or
Class I, Division 1-2, Group A, B, C, D T4 and connected via a single/redundant 2 wires
data communication/supply line to a Modbus Gateway unit model D2050M,
mounted in Safe Area/Non Hazardous Locations and connected to a PLC, DCS or PC.
Multiplexer D2030M units can be installed in the field, close to input sensors, for data
acquisition of signal from Hazardous Area/Hazardous Locations Zone 0-1-2 or
Class I, Class II, Class III, Division 1-2.
The units are primarily intended for Hazardous Area/Hazardous Locations acquisition of
voltage free contact or EN60947-5-6 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 D2030M unit accepts directly up to 32 input channels.
Four D2030M units achieve 128 inputs with a single Modbus Gateway D2050M unit.
Redundant communication is obtained by dual data/supply interface line.
Safety parameters mantain compatibility with Gas Group IIC or Gas Group A and B,
even in redundant mode.
All parameters are software configurable by serial commands via D2050M Gateway
unit. Functions and serial commands for RS-232 and RS-485 protocols are provided
in the instruction manual.

Features:
• 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.
• ATEX, FM & FM-C, Russian and Ukrainian Certifications.
• 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.
• Simplified installation using standard DIN Rail mounting units.