
B: Modbus Map and Retrieving Logs
Doc# E149701 MM-19
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Description (Note 1) Format Range (Note 6) Units or Resolution Comments # Reg
Modbus Address
Hex Decimal
Read-only
2B37 - 2B37 11064 - 11064 Current speed and format UINT16 bit-mapped
-abcde-- fghijklm
Bps: a=57600; b=38400; c=19200; d=14400; e=9600
Stop bits 'f': cleared 1 stop bit, set 2 stop bits
Parity: g=even; h=odd; i=none
Data bits: j=8; k=7; l=6; m=5
1
2B38 - 2B38 11065 - 11065 Reserved UINT16 bit-mapped Reserved 1
2B39 - 2B39 11066 - 11066 Current protocol UINT16 bit-mapped
-------- -----ppp-
ppp=protocol
100=DNP3; 010=Ascii Modbus; 001=Rtu Modbus
1
2B3A - 2B3A 11067 - 11067 Current reply delay UINT16 0 to 65535 milliseconds Delay to reply a Modbus transaction after receiving it. 1
2B3B - 2B3E 11068 - 11071 Reserved Reserved 4
Block Size: 8
read-only
2B3F - 2B78 11072 - 11129 Data and Control Block for Option Card 2
Meaning of registers depend on installed card. --
see below
Register assignments depend on which type of card is in
the slot. See overlays below.
58
Block Size: 66
read-only except as indicated
2B3F - 2B3F 11072 - 11072 Digital Input States UINT16 bit-mapped
-------- 22221111
Two nibble fields: (2222) for input#2 and (1111) for input
#1.
Lsb in each nibble is the current state of the input. Msb
in each nibble is the oldest registered state.
1
2B40 - 2B40 11073 - 11073 Digital Relay States UINT16 bit-mapped
-------- --ab--cd
If "a" is 1 then state of Relay#2 is unknown, otherwise
state of Relay#2 is in "c": (1=tripped, 0=released).
If "b" is 1 then state of Relay#1 is unknown, otherwise
state of Relay#1 is in "d": (1=tripped, 0=released).
1
2B41 - 2B41 11074 - 11074 Turn relay on UINT16 bit-mapped
-------- ------21
Writing a 1 in bit N turns relay N+1 ON (this register is
writeable only in privileged session)
1
2B42 - 2B42 11075 - 11075 Turn relay off UINT16 bit-mapp
ed
-------- ------21
Writing a 1 in bit N turns relay N+1 OFF (this register is
writeable only in privileged session)
1
2B43
-
2B43 11076 - 11076 Trip/Release delay timer for Relay 1 UINT16 0 to 9999 0.1 sec time to trip or release 1
2B44 - 2B44 11077 - 11077 Trip/Release delay timer for Relay 2 UINT16 0 to 9999 0.1 sec time to trip or release 1
2B45 - 2B46 11078 - 11079 Reserved Reserved 2
2B47 - 2B47 11080 - 11080 Input 1 Accumulator, Scaled UINT16 0 to 9999 1
2B48 - 2B48 11081 - 11081 Input 2 Accumulator, Scaled UINT16 0 to 9999 1
2B49 - 2B4A 11082 - 11083 Reserved Reserved 2
2B4B - 2B4B 11084 - 11084 Relay 1 Accumulator, Scaled UINT16 0 to 9999 1
2B4C - 2B4C 11085 - 11085 Relay 2 Accumulator, Scaled UINT16 0 to 9999 1
2B4D - 2B78 11086 - 11129 Reserved Reserved 44
Block Size: 58
resolution is 1, 10, 100, 1000,
10000, or 100000 counts
Disabled accumulators always read 0.
Data and Control Blocks for Option Card 2
Expansions for Data and Control Block for Option Card 2
Data and Control Block -- Digital I/O Relay Card Overlay (Note 15)
resolution is 1, 10, 100, 1000,
10000, or 100000 counts
Disabled accumulators always read 0.
Current Communication Settings for Option Card 2
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