Sel 751A - Page 542

E.80
SEL-751A Relay Instruction Manual Date Code 20100129
Modbus RTU Communications
Modbus Register Map
Product Information
4000H (R) VENDOR CODE 0 65535 865 na
865 = SEL
4001H (R) PRODDUCT CODE 0 65535 103 na
4002H (R/W) ASA NUMBER LOW 0 65535 na
4003H (R/W) ASA NUMBER HIGH 0 65535 na
4004H (R) FIRMWARE REVISION 1 32639 na
4005H (R) NUM OF PAR 1 2100 2043 na
4006H (R) NUM OF PAR GROUP 1 100 59 na
4007H (R/W) MAC ID 1 99 0 na
64–99 = Swr Configurable
4008H (R/W) DN BAUD RATE 0 9 0 na
0 = 125 kbps
1 = 250 kbps
2 = 500 kbps
3 = AUTO
4–9 = Swr Configurable
4009H (R/W) DN STATUS 0 31 0 na
Bit 0 = Explicit Cnxn
Bit 1 = I/O Cnxn
Bit 2 = Explicit Fault
Bit 3 = I/O Fault
Bit 4 = I/O Idle
Bit 5–Bit 15 = Reserved
400AH not used
400BH (R) CONFIG PAR CKSUM 0 na
400CH (R) LANGUAGE CODE 0 na
0 = English
1 = French
2 = Spanish (Mexican)
3 = Italian
4 = German
5 = Japanese
6 = Portuguese
7 = Mandarin Chinese
8 = Russian
9 = Dutch
400DH (R) FIRMWARE BUILD NUM 16400 16400 0 na
400EH not used
400FH (R) PRODUCT SUPPORT BITS na
Bit 0 = 2nd IO Card installed
Bits 1–15 = Reserved
4010H (R/W) SETTINGS TIMEOUT ms 500 65535 750 na
4011H–4013H Reserved
c
4014H (R) CONFIGURED BIT 0 na
Bit 0 = Unit Configured
Bits 1–15 = Reserved
4015H (R) Reserved
c
00 0 na
Table E.32 Modbus Register Map
a
(Sheet 55 of 56)
Modbus Register
Address
b
Name/Enums Units Min Max Default
Scale
Facto r
DeviceNet
Parameter
Numbers