Product Specifications
Manufacturers | ABB |
Capacity | 12 modules |
Relative humidity (operating) | 5% to 95% up to 55°C (131°F), noncondensing |
Storage and transport temperature | –40° to 85°C (–40° to 185°F) |
Regulated DC voltages | +5 VDC, +15 VDC, –15 VDC, +24 VDC, MCOM, I/OCOM |
Weight | 3.63 kg (8.0 lb.) |
Product Details And Product Images

The IEMMU11 and IEMMU12 module mounting units provide physical mounting for up to 12 system modules or ten system modules and a maximum of two IEPAS02, IEPDS01/02, IEPAF02, and IEPDF01/02 power modules. They also provide electrical distribution of I/O expander bus, module bus, and Controlway signals; distribution of regulated power supply voltages (+5 volts, +15 volts, –15 volts and 24 volts); and distribution of primary power.
ABB IEMMU11 ABB processor module ABB PLC
ABB PLC IEMMU11 ABB Module Mounting Unit
ABB IEMMU11 ABB Module Mounting Unit
ABB IEMMU11 ABB processor module ABB PLC
ABB PLC IEMMU11 ABB Module Mounting Unit

Each IEMMU11 and IEMMU12 unit is capable of housing two
power modules (AC or DC). The power module receives its
input power through the MMU backplane assembly on connectors P25 through P35 (Fig. 2-1). Pins one, two, and three of
connectors P25 through P35 carry the AC power on the backplane assembly while pins four and five carry the DC input
power. The input power enters the mounting unit assembly
through connectors P36 through P40. Refer to BACKPLANE
I/O CONNECTORS in Section 3 for additional information.
ABB PLC IEMMU11 ABB Module Mounting Unit
ABB IEMMU11 ABB processor module ABB PLC
ABB PLC IEMMU11 ABB processor module

Function:
It provides a physical structure for mounting other electrical modules within an ABB system,
most likely the Infi 90 series.
Features:
Back mount design.
ABB's website doesn't specify the dimensions or weight, but similar mounting units are
typically compact and lightweight.
Applications:
The IEMMU11 is likely used in electrical control cabinets or enclosures to organize and secure
Infi 90 series modules. These enclosures house various electrical components for industrial automation systems.
ABB PLC ABB processor module ABB PLC ABB processor module
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