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11 Modbus register map
PXR TRIP UNITS FOR POWER DEFENSE MOLDED CASE CIRCUIT BREAKERS MN012007EN March 2019 www.eaton.com
11.2.1.2 Floating-Point word order (32-bit)
Non-volatile register 402002/425346(0x07D1/0x6301) = 0: High word first
If zero, when the register is set to be 0, the floating point high word is first in the Modbus
register.
Non-volatile register 402002/425346(0x07D1/0x6301) <> 0: Low word first (Factory
Default)
If none-zero (factory default value), the floating point low word is first in the Modbus
register.
11.2.1.3 Fixed-Point word order (32-bit)
Non-volatile register 402003/425347(0x07D2/0x6302) = 0: High word first
If zero, when the register is set to be 0, the fixed point high word is first in the Modbus
register.
Non-volatile register 402003/425347(0x07D2/0x6302) <> 0: Low word first (Factory
Default)
If none-zero (factory default value), the fixed point low word is first in the Modbus register.
11.3 Modbus register map
11.3.1 Input status (discrete inputs)
Input status bits 101001 through 101032 may be available using function code 02. The status
definitions are defined the following table. The first 16 bits are the actual status state while
the late 16 bits indicate whether the corresponding status state is valid, or supported by the
trip unit.
Register Input status data Register Input status data validation
DEC HEX Descriptions DEC HEX Descriptions
1001 3E8 Breaker is in the closed position 1017 3F8 "Breaker is in the closed position" is valid
1002 3E9 Un-acknowledged trip condition 1018 3F9 "Un-acknowledged trip condition" is valid
1003 3EA Active or un-acknowledged alarm 1019 3FA "Active or un-acknowledged alarm" is valid
1005 3EC Maintenance mode is active 1021 3FC "Maintenance mode is active" is valid
1006 3ED Test mode is active 1022 3FD "Test mode is active" is valid
1010 3F1 Long delay pickup is active 1026 401 "Long delay pickup is active" is valid
1011 3F2 Zone Interlock is active 1027 402 "Zone Interlock is active" is valid
1013 3F4 Ground is source ground 1029 404 “Ground is source ground" is valid
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