User Manual For - CONTROLLER/DATA RECORDER MultiCon CMC-99/141
•
using arrows in the upper right corner of the screen, go to the
Modbus address
:
8
,
•
press the
Load device template
button and in the template list select the
template named
Temperature converter
, in such a fast way to have set all the
parameters for the
SLAVE device 2
identical to
SLAVE device 1
,
•
exit from the
SLAVE devices
menu,
Example of Logical channel in Modbus mode is shown in
7.8.11.5. Application of Logical
7.15.4.2.
Configuration of the Modbus Input in the MASTER mode.
See also:
Appendices 8.15. COMMUNICATION MODULES
Task:
The task is to configure Slave device (eg Flowmeter) output channel. The Slave device
address is 5. we write data to register 1, 2, 4 and 8. For communication in this task we use
ACM module, in which the port MB2 is used.
Solution:
First we need to configure the device according to the following recommendations, then
connect the device according to
Fig. 7.130. Connection diagram for the Modbus port MB2
16-bits Slave device registers description is shown if
220
19
16
17
18
14
15
RJ-45
ETH
USB host
RS
-4
85
(2
)
RxD
A+
B-
13
10
11
12
9
A+
B-
GND
TxD
CTS
RTS
R
S
-2
32
+
R
S
-4
85
(3
)
19
Slot D - ACM Module
Port MB2
GND
B-
A+
GND
GND
Power supply
(depending on version)
1
2
8
5
6
7
3
4
SERVICE
+24V DC ±5%
(
I
max. = 200mA)
digital input
0/15..24V DC
RS-485
GND
GND
A+
B-
isolated
Slave device 1
Slave address: 5
Register: 1h
Register: 2h
Register: 4h
Baud rate: 19200 bit./sek.
Device name:Flowmeter
Registers:
Modbus settings:
Register: 8h