Siemens 315-078860 overview
Siemens 315-078860 MMB-3 Main CPU Board | Fire Alarm Main Control Board | MXL/MXLV System Main Control Motherboard with Microprocessor. MXL / MXLV System main-c...
Product details
Manufactured bySiemens
Product groupMain Control Boards
DescriptionSiemens 315-078860 MMB-3 Main CPU Board | Fire Alarm Main Control Board | MXL/MXLV System Main Control Motherboard with Microprocessor.
Key FeaturesMXL / MXLV System main-control microprocessor Supports 6 Amps (Model MPS-6) or 12 Amps (Model MPS-12) power supply Two (2) isolated ALD Circuits:- Class A - (Style 6) or- Class B - (Style 4) No shielded wire required on ALD circuits Supports up to 50 total ALD circuits Monitor and control up to 60 analog / intelligent input devices and 60 programmable device relays per ALD circuit Removable terminal blocks for all field connections On-board, 16-bit microprocessor Fully field programmable, via laptop PC System firmware capable to Flash memory upload On-board, diagnostic ground-fault light-emitting diodes (LEDs)
OverviewThe functions and controls for the MXL system are performed by the Main Control Board (Model MMB-3). The Model MMB-3 controls and monitors the following: input-device identity; network communications, and operator commands, which are each entered through the Model MKB annunciator / keyboard. All operations are supported by either the Model MPS-6 or Model MPS-12 power supply ─ eliminating the need for external power supplies. Model MMB-3 is a direct replacement of Models MMB-1 and MMB-2. Hence, Model MMB-3 is able to provide total backward compatibility.
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Main Control Boards
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