PM866A

Overview

• Model: PM866A
• Memory:
  • 4 MB flash PROM (for firmware storage)
  • 64 MB SDRAM

Power and Current

• Power Dissipation: 5.1 W typical, 8.6 W max (including full supply to ModuleBus and CEXBus)
• Current Consumption: 210 mA typical, 360 mA max (excluding ModuleBus and CEXBus supply)
• Power Input Connector: Four-pin screw connector (L+, L–, SA, SB)
• Power Supply Requirements:
  • L+ and L–: 24 V nominal (19.2–30 V DC)

Redundant Power Supply Status Inputs

• Max Input Voltage: 30 V
• Min. Input Voltage for High Level: 15 V
• Max Input Voltage for Low Level: 8 V
• Status Inputs: Logical "0" or "1" input limits

Backup and Protection

• Power Reservoir: Internal 5 ms reservoir for controlled power-down
• Protection Rating: IP20 according to EN60529, IEC 529

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