
TPU2000/2000R Modbus/Modbus Plus Automation Guide
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9/1
Status Change Output Byte7
9/2
Status Change Output Byte8
9/3
Spare
10/1
Spare
10/2
Spare
10/3
Spare
11/1
Spare
11/2
Checksum high byte
11/3
Checksum low byte
10 Receive Buffer "N" Commands ( 3 10 n )
N Definition
0
Reserved for repeat 3 10 n
1
Communications Settings
10.1 Receive Communications Settings ( 3 10 1 )
Low byte consists of bits 0 through 7.
High byte consists of bits 8 through 15.
Port configuration byte
bit 0-3 = port baud rate (0=300,1=1200,2=2400,3=4800, 4=9600,5=19200,6=38400)
bit 4-5 = parity (0=None,1=Odd,2=Even)
bit 6 = number of data bits (0=seven,1=eight)
bit 7 = number of stop bits (0=one,1=two)
Msg byte Definition
1/1
Most significant high byte of password
1/2
Most significant low byte of password
1/3
Least significant high byte of password
2/1
Least significant low byte of password
2/2
Spare
2/3
C Subcommand = 0xa1
3/1
Unit Address high byte
3/2
Unit Address low byte
3/3
Front Panel RS232 configuration byte
4/1
Rear Panel RS232 or INCOM configuration byte
4/2
Rear Panel RS485 configuration byte
4/3
Rear Panel IRIG byte 0=Disabled, 1=Enabled
5/1
Spare
5/2
Spare
5/3
Aux Port Parameter 1 byte (0-255)
6/1
Aux Port Parameter 2 byte (0-255)
6/2
Aux Port Parameter 3 byte (0-255)
6/3
Aux Port Parameter 4 byte (0-255)
7/1
Aux Port Parameter 5 byte (0-255)
7/2
Aux Port Parameter 6 byte (0-255)
7/3
Aux Port Parameter 7 byte (0-255)
8/1
Aux Port Parameter 8 byte (0-255)
8/2
Aux Port Parameter 9 byte (0-255)
8/3
Aux Port Parameter 10 byte (0-255)
9/1
Aux Port Parameter Mode byte
9/2
Spare
9/3
Spare
10/1
Spare
10/2
Checksum
high
byte
10/3
Checksum low byte