The ESB Bus Node Unit has an interface function that communicates the analog I/O signals and contact I/O signals of a field with a Field Control Unit (FCU) via an ESB bus, as well as a function that supplies power to the I/O Modules. This node units are connected to FCU via an ESB bus.
The suffix codes and option codes of the Yokogawa Model ANB10D Node Unit for Dual-Redundant ESB Bus:
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Model: ANB10D
- Node Unit for Dual-Redundant ESB Bus
Suffix Codes:
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-4: Dual-redundant power supply
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1: 100 - 120 V AC power supply
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2: 220 - 240 V AC power supply
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4: 24 V DC power supply
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5: Basic type with no explosion protection
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6: With ISA Standard G3 option, temperature (-20 ºC to 70 ºC) option, and no explosion protection
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7: With ISA Standard G3 option and no explosion protection
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E: Basic type with explosion protection
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F: With ISA Standard G3 option, temperature (-20 ºC to 70 ºC) option, and explosion protection
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G: With ISA Standard G3 option and explosion protection
Option Codes:
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/CU2N: Connector Unit for ESB Bus [part No.: S9562FA (2 pieces)]
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/CU2T: Connector Unit with Terminator for ESB Bus [part No.: S9564FA (2 pieces)]
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/ATDOC: Explosion Protection Manual
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