Effective December 2020
32 Eaton www.eaton.com
Eaton SPD Series for mounting external
to electrical distribution equipment
Instruction Manual IM01005031E - rev. 7
Appendix F: Power Xpert SPD Modbus register map
Power Xpert SPD Modbus register map (cont.)
Register Name Attributes Description
1 Product Serial Number UINT32 RO NV 32bit device serial number. (MAE)
3 Vendor Name STRING8 RO Product vendor name character string
Array size: 12 Array of 6 registers
14 Vendor URL STRING8 RO Product vendor URL
Array size: 14 Array of 7 registers
37 Style Number STRING8 RO NV Product style number (MAE)
Array size: 10 Array of 5 registers
42 Assigned Name STRING8 RW NV User assigned name
Array size: 21 Array of 11 registers
Default: “SPDLAB1”
53 Firmware Revision STRING8 RO Firmware revision
Array size: 14 Array of 7 registers
60 PCB Serial Number STRING8 RO NV Product hardware revision numerical (MAE)
Array size: 14 Array of 7 registers
77 Method of IP Allocation UINT8 RW NV Allows to set the method used to allocate an IP address: 0 - restore (hardcoded
192.168.1.254). 1 - DHCP. 2 -full address taken from NV memory.
Default: 0 Value Description
Enum 0 Statically hardcoded
1 DHCP allocated
2 Taken from NV
78 Current Method of IP Allocation UINT8 RO Shows the present method used to allocate an IP address: 0 - restore (hardcoded
192.168.1.254). 1 - DHCP. 2 - full address taken from NV memory.
Range: 0 to 3
79 Present Ethernet IP Address UINT8 RO The active IP address being used on the network.
Array size: 4 Array of 2 registers
Units: IP IPV4_BIG_ENDIAN_U8()
81 Present Ethernet Subnet Mask UINT8 RO The active subnet mask IP address being used on the network.
Array size: 4 Array of 2 registers
Units: IP IPV4_BIG_ENDIAN_U8()
83 Present Ethernet Default Gateway UINT8 RO The active default gateway IP address being used on the network.
Array size: 4 Array of 2 registers
Units: IP IPV4_BIG_ENDIAN_U8()
85 Stored Ethernet IP Address UINT8 RW NV The IP address used in the NV address select configuration.
Array size: 4 Array of 2 registers
Default: 0xFE, 0x01, 0xA8, 0xC0 IPV4_BIG_ENDIAN_U8()
Units: IP
87 Stored Ethernet Subnet Mask UINT8 RW NV The IP subnet mask used in the NV address select configuration.
Array size: 4 Array of 2 registers
Default: 0x00, 0xFF, 0xFF, 0xFF IPV4_BIG_ENDIAN_U8()
Units: IP
89 Stored Ethernet Default Gateway UINT8 RW NV The IP default gateway used in the NV address select configuration.
Array size: 4 Array of 2 registers
Default: 0x01, 0x01, 0xA8, 0xC0 IPV4_BIG_ENDIAN_U8()
Units: IP
98 Multicast Enable Disable (00000010) UINT32 RW NV Multicast settings: Value : Description 0x00000010: Multicast Enable 0x00000000:
Multicast Disable with Filter PerfectFilter 0x00000004: Multicast Disable with
Filter HashTable 0x00000404: Multicast Disable with Filter_PerfectHashTable
Default: 0x00000010
100 Broadcast Enable Disable (0) UINT32 RW NV Broadcast Enable Disable settings: 0x00000000: BroadcastFramesReception_Enable 0x00
000020: BroadcastFramesReception_Disable
102 Modbus TCP Com Timeout (0) UINT16 RW NV Communication timeout for Modbus TCP. 0 = disable.
Default: 0
Units: milliseconds
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