
TU RS485/ETH serie
CD Automation srl
13
4.10 TU-RS485/ETH IO DL and TU-RS485/ETH ANL
Function of all models
4.10.1
SYSTEM REGISTERS OVERVIEW
This paragraph describes the working of the System Registers. Refer to the Registers Mapping relative to the
device in use to find out the position and the type of access to the Register.
4.10.1.1 FIRMWARE
Field of 2 read only Registers: contains the identifier firmware code provided from the manufacturer.
4.10.1.2 NAME
Field of 2 read/write Registers (4 bytes or 4 ASCII characters) at the user disposal: it can contain the name of
Controller or a unique code that identifies its function in the plant. Each one of the byte can contain any value
from 0 up to 255, the ASCII characters are included.
The default value of this field contains the identifier of the device in ASCII characters.
4.10.1.3 PORT 1 Baud Rate
Field of 1 read/write Register used to select the baud rate of the PORT 1 Modbus Master serial port. Set the
value in function of the following table
BaudRate(Baud)
Value
BaudRate(Baud)
Value
1200
0
19200
4
2400
1
38400
5
4800
2
57600
6
9600
3
115200
7
4.10.1.4 NODE ID
Field of 1 read/write Register: contains the Modbus node address of the device; the addresses allowed are
from 1 up to 247.
Each device connected to the same net must have an unique address.
4.10.1.5 PORT 1 Timeout RX
Field of 1 read/write Register: contains the value of the delay time successive to the reception of the response
on the PORT1 Modbus Master; the value is expressed as milliseconds.
4.10.1.6 DIGITAL INPUTS
Field of 1 read/write Register: contains the status of the Digital Inputs (0 = OFF , 1 = ON).
4.10.1.7 DIGITAL OUTPUTS
Field of 1 read/write Register: contains the status of the Digital Outputs and allows to drive directly the Output
relays (0 = OFF , 1 = ON) .
Bit
Descr.
Channel
15
-
14
-
13
-
12
-
11
#3
10
#2
09
#1
08
#0
07
-
06
-
05
-
04
-
03
-
02
-
01
-
00
-
Input
Bit
Descr.
Channel
15
-
14
-
13
-
12
-
11
-
10
-
09
#1
08
#0
07
-
06
-
05
-
04
-
03
-
02
-
01
-
00
-
Output