Faq - OEM BL2500 User Manual

PLC BL2500 User's Manual
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7.2 FAQ

Q1. What happens if I try to load the
licensed
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The PLC Utility does not check for an existing license before performing a loading and a
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new license is required after a Kernel is loaded to a Target. This means that after loading a new
Kernel to a Target, a new User Reference Code is generated and you will need to contact OEM
Technology Solutions or your local distributor to obtain a new license key to activate the
PLC Kernel.
Q2. Which are the Modbus function codes supported by
The PLC BL2500 supports the following Modbus function code:
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These are the function codes supported by ISaGRAF (see Section C.8.2 of [2]).
Q3. How can I change the assigned serial port number to the RS-232-to-USB converter cable on
Windows XP?
Open Control Panel → System. Click on Device Manager. On the Device Manager window
expand the Ports (COM & LPT) category and select the USB Serial Port (COMx). Select Action →
Properties on the menu bar. On the USB Serial Port (COMx) Properties window click on Port
Setting tab and click on Advanced... On the Advanced window change the COM port number to
within COM1 to COM4 range. For more information about device settings contact your local system
administrator.
Q4. Can I use the other serial ports on the BL2500 from an ISaGRAF application?
The PLC Firmware Kernel Version 1.04 uses one RS232 (serial port E) or one RS485
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(serial port D) to communicate with the ISaGRAF Workbench or Modbus master. Contact OEM
Technology Solutions or your local
for the
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Q5. Can I have 2 analog outputs instead of 1 analog input and 1 analog output?
The PLC Firmware Kernel Version 1.04 has the analog I/O configuration fixed. For more
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information about custom I/O configuration on the
Solutions of your local
Q6. Can I use RabbitNet with
In Version 1.04 of the
Technology Solutions or your local
implemented in upcoming versions.
Q7. Do I need to keep the programming cable connected to the Target all the time?
No. The programming DIAG cable is used only for entering license key or Target configuration
parameters values. After that it can be disconnected.
OEM Technology Solutions
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PLC Kernel?
1 read N bits
3 read N words
5 write 1 bit
6 write 1 word
16 write N words
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PLC Kernel.
PLC distributor.
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PLC BL2500?
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PLC BL2500 BSP RabbitNet is not supported. Contact OEM
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PLC Firmware Kernel to a Target already running a
PLC?
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PLC distributor for information about custom solutions
PLC BL2500 contact OEM Technology
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PLC distributor for information about features to be
FAQ and Troubleshooting
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