ABB 3BSE076939R1 PM866AK01 Processor Unit for AC 800M Controllers

Technical Specifications:

Memory:

• 4 MB flash PROM for firmware storage.
• 64 MB of SDRAM.

Power Dissipation:

• Typical: 5.1 W
• Typical (including full supply to ModuleBus and CEXBus): 8.6 W
• Refer to 3BSE036351R, AC 800M - Controller Hardware, Hardware and Operation for detailed information.

Current Consumption:

• Typical: 210 mA
• Maximum: 360 mA
• Excluding supply of ModuleBus and CEX-Bus.
• Refer to 3BSE036351R, AC 800M - Controller Hardware, Hardware and Operation for detailed information.

Power Input Connector:

• Four-pin screw connector: L+, L–, SA, and SB.

Power Supply Requirements:

• Inputs L+ and L–: 24 V nominal, variation between 19.2 V DC and 30 V DC.

Redundant Power Supply Status Inputs (SA, SB):

• Max input voltage: 30 V
• Min input voltage for high level: 15 V
• Max input voltage for low level: 8 V
• These inputs are for status and have logical "0" or "1" input limits, not power fail limits.

Power Reservoir:

• The processor unit has an internal 5ms power reservoir, enough for controlled power down.

Protection Rating:

• IP20 according to EN60529, IEC 529

Weight:

• 1200 g (2.6 lb) for package PM866K01/PM866AK01.

Dimensions:

• Width: 119 mm (4.7 in)
• Height: 186 mm (7.3 in)
• Depth: 135 mm (5.3 in)