
TU RS485/ETH serie
CD Automation srl
14
4.10.1.8
SYSTEM FLAGS
Field of 1 read/write Register: contains the following system flags:
- PowerUp Event : this bit is forced to 1 at each Controller power-on. It is possible to set the value as 0 to
monitor eventual Controller reset events .
4.10.1.9
PC (Program Counter)
Field of 1 read only Register: shows the position of the instruction (Function Block) executed in the Main
Program . The value 0 is the first instruction (Function Block 1).
4.10.1.10
STATUS
Field of 2 read only Registers reserved for diagnostic operations.
4.10.1.11
COM ERRORS
Field of 1 read\write Register: is a counter of communication errors on the PORT1 Modbus Master. The value of
this Register is incremented each time that a query is sent on the Master Port and there is not response. This
value can be reset.
4.10.1.12
GATEWAY MASK
Field of 1 read/write Register: contains the range of Modbus addresses which the Controller can send to queries
on the PORT1 Master Port. If is requested to the Controller to send queries to an address out of this range, the
command won't be executed.
4.10.1.13
PORT 0 Settings
Field of 2 read/write Registers: contain the parameters “Baud-rate” and “delay time” (expressed as milliseconds)
of the serial PORT0 Slave Port. Set the value of the first Register in function of the following table:
Bit
Descr.
15
14
13
12
11
10
09
08
07
06
05
04
03
02
01
00
First address of the Mask
Last address of the Mask
Bit
Descr.
15
14
13
12
11
10
09
08
07
06
05
04
03
02
01
00
Baud Rate
Delay (0÷255)
BaudRate
1200
2400
4800
9600
19200
38400
57600
115200
Value
0
1
2
3
4
5
6
7