ABB PM865K01 3BSE031151R1 AC800M Processor Module
96MHz and 32MB.
Package including:
- PM865, Safety CPU
- TP830, Baseplate
- TB850, CEX-bus terminator
- TB807, ModuleBus terminator
- TB852, RCU-Link terminator
- Battery for memory backup (4943013-6)
ABB PM891 3BSE053240R1 AC800M Processor Module
PM891 is a high performance controller, which is capable of handling applications with high requirements. PM891 connects to the S800 I/O system through the optical Modulebus. It can act as a stand-alone Process Controller, or as a controller performing local control tasks in a control network. Two PM891 controllers can function together as a redundant pair, with one PM891 acting as the primary controller and the other acting as the backup. The backup controller takes over the process controller tasks if any hardware error occurs in the primary controller. The control network connectivity is obtained by two built in IEEE802.3 Ethernet channels on PM891. PM891 also provides a communication expansion bus (CEX-Bus) to which a number of expansion modules can be connected. These modules offers connectivity to a wide range of field bus and I/O systems. In case of a redundant pair, both PM891s are connected to the same CEX-Bus and one of them can control the modules.FROM ABB
Physically, the PM891 Processor Unit consists of:
• Connector for power supply and status signals (L+, L-, SA, SB).
• DB25 connector for Electrical CEX-Bus.
• External battery connector.
• RJ45 connectors for the two Ethernet channels.
• One Com port. • Optical Modulebus connector for connection to a maximum of seven clusters, with 12 non-redundant or six redundant modules (that is, 7x12 = 84 modules).
• Connectors for Redundancy Link.
• SD (Secure Digital) memory connector.
• LEDs.
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ABB PM865K01 3BSE031151R1 AC800M Processor Module