OZD Modbus Plus G12


The Hirschmann OZD Modbus Plus G12 module is a field-bus repeater component made for the Modbus Plus field bus networks. The OZD Modbus Plus G12 repeater has an operating voltage of 24 Volts DC and it features 2 optical ports and 1 electrical port. It supports standard multi-mode cables that are up to 2300 meters long and multi-mode HCS cables up to 1500 meters long. The unit has an IP 40 protection rating and it weighs only 620 grams (1.3 pounds).

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About OZD Modbus Plus G12

The Hirschmann/Belden fieldbus repeater module with the catalog number OZD Modbus Plus G12 is made to be used in an industrial setting and it features both optical and electrical ports for communication. This repeater module and interface converter is intended for use in the Modbus Plus field bus networks and it is specifically made for quartz glass and PCF (HCS) fiber optic network applications and it features a powerful repeater function. The OZD Modbus Plus G12 repeater module and interface converter has 2 optical ports equipped with 4 BFOC 2.5/STR sockets and one electrical port with a Sub-D 9-pin female connection. The electrical port features a pin assignment that is standard for Modbus Plus devices.


The OZD Modbus Plus G12 interface converter is designed for operation in environments with hazardous materials and conditions. The unit complies with the ISA 12.12.01 Class 1 Div. 2/ATEX Zone 2 standard for usage in hazardous locations. Additionally, the unit conforms to the EU, FCC, and AUS standards. The safety of the equipment is ensured through compliance with industrial standards like the cUL61010-2-201 standard. The OZD Modbus Plus G12 converter consumes 3.9 Watts of power and it has a maximum current consumption rating of 160 milliamps. The unit has an operating voltage range of 18 to 32 Volts DC and it is protected from reverse polarity. Additionally, the converter has a safety extra-low voltage feature for additional protection. The redundancy functions of the OZD Modbus Plus G12 converter include a HIPER-ring structure and a redundant 24 Volts rated in-feed. The OZD Modbus Plus G12 interface converter supports mounting options like DIN Rail and mounting plate options and it has an IP 40 environmental protection rating.

Technical specifications:

Part NumberOZD Modbus Plus G12
Ports2 Optical (4 Sockets BFOC 2.5 (STR)), 1 Electrical (Sub-D 9-pin, Female, Pin Assignment According to Modbus Plus Standard)
Power Supply8-pin Terminal Block (Screw Mounting)
Signaling Contact8-pin Terminal Block (Screw Mounting)
Cable Length (MM)2300 meters
Cable Length (MM HCS)1500 meters
Current Consumption160 milliamps (maximum)
Operating Voltage18 to 32 Volts DC, Typical 24 Volts DC
Power Consumption3.9 Watts
Protection ClassIP40
Dimensions (WxHxD)40 x 111 x 73.5 millimeters (1.5 x 4.3 x 2.9 inches)
Weight620 grams (1.3 pounds)
Revision Part #

Common misspellings:
0ZD Modbus Plus G12
OZD M0dbus Plus G12
OZD Mod8us Plus G12
OZD Modbus P1us G12
OZD Modbus Plus Gl2
OZD Modbus Plus G12X