17
Original notice - T1.10
IB-P03
T
echnical
documenTaTion
If the communication with iCEP is not permitted, the following features cannot be used.
Feature not available
Symptom
Writing ladder logic
FtpPutFile Error occurs.
Ladder monitor
Changes in contacts or any other change are not reflected.
Current monitor
Current values won’t be displayed.
To make the settings individually with security software, open the ports shown in the following table.
Type
Port number
Usage
UDP
40002
Monitor functions (ladder monitor, current monitor, error monitor),
Discovery
TCP
50001
Reading/writing property settings, JOG operation, etc.
FTP
20
Downloading ladder logic
FTP
21
Downloading ladder logic
6.6 - w
hen
wriTing
/
reading
daTa
in
a
device
has
failed
The possible causes of the failed writing/reading ladder logic or property setting is as follows :
Possible cause
Countermeasure
The IB is in a startup state.
An IB performs the startup operation immediately after power-on or reset.
Reading/writing data in a device is not available during startup operation of the
device. Wait for a while, and try writing data in the device again.
No IB with the IP address exists.
Check if the IP address is set correctly.
The LAN cable is disconnected.
Check if the LAN cable is connected firmly.
The ladder logic has not been com-
piled (Build has not been perfor-
med).
In this case, writing the ladder logic is not available.
Build the ladder logic, and then write it.
Communication with iCEP is prohi-
bited by the firewall setting on PC.
In this case, downloading the ladder logic is not available.
Permit iCEP in Firewall setting. Refer to “6.5 Communication between the PC
and IBs (firewall setting)”.
