PART 3: CX-Server Runtime
CHAPTER 3 – Communications
OMRON
CX-Server Runtime_Page 18
Revision 2.0
When settings cannot be selected, the PLC is fitted with the standard settings as shown on the Device Type
Settings dialog and cannot be reconfigured. Similarly, if Expansion Memory cannot be selected for CV-Series
PLCs, EM memory cannot be configured.
In each instance, availability of
CPU Type
and memory depends upon the device type selected (and also the
amount of expansion memory purchased for the PLC). Changing CPU type automatically changes the amount of
memory available on some devices.
For SRM1 PLCs, only
CPU Type
can be selected.
For CV-series PLCs, CS-series PLCs and IDSC,
File Memory
allows selection of the amount of EPROM or
EEPROM. A
Timer/Clock
can be installed.
Defining Connections and Gateway PLCs
It is possible to communicate with PLCs which are not directly connected to the computer via PLC network
configuration and gateway abilities of PLCs. Generally, a directly connected PLC or the network NSB as a
gateway is used to route to the required PLC by use of its routing table and networking capability. In order to
specify the link information, a network type (e.g. SYSMAC LINK) and PLC addressing information is needed
(i.e. target network, node and unit).
Connection can be directly made to any PLC type. Direct connections are established with SYSMAC WAY,
Toolbus, Modem, Ethernet through a network card or SYSMAC NET, Controller Link or SYSMAC LINK via
an OMRON NSB.
It is also possible to gateway from a direct connection on to another type of network that cannot be connected to
directly.
Use the following procedure to define a gateway connection.
1, 2, 3…
1. Open the Change PLC dialog.
2. Select the Gateway PLC (i.e. the direct connection). If necessary configure the CPU type
by selecting the associated
Settings
pushbutton.
3. Select
the
Network type
and click on the associated
Settings
pushbutton. The above
example uses Ethernet as the network.
4. The Network Settings dialog is displayed. Set up the address and Node number. For
Ethernet, also enter the IP address.
5. Select
the
OK
pushbutton to proceed from the Network Settings dialog.
6. Select
the
OK
pushbutton to proceed from the Change PLC dialog.
Use the following procedure to define a target connection.
1, 2, 3…
1. Add a PLC Device to the CX-Server project. The Change PLC dialog is reopened. Select
the PLC type for the target PLC. If necessary configure the CPU type by selecting the
associated
Settings
pushbutton.
2. Select the PLC to be used as the Gateway PLC from the list in the
Network Type
field and
click on the
Settings
pushbutton.
3. The Network Settings dialog is displayed. Set up the Source Network and Destination
Network and Node number.
4. Select
the
OK
pushbutton to proceed from the Network Settings dialog.
5. Select
the
OK
pushbutton from the Change PLC dialog to complete the operation or the
Cancel
pushbutton to abort the operation.
Serial Communications (Direct Connection)
The computer involved in establishing communications has at least one serial (RS232) port; the first port is
normally called COM1. If in doubt check the configuration of your PC. Only a single PLC can be connected to
an RS232 port.
Содержание CX-Programmer 9
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