ICP DAS USA ISaGRAF mPAC Series Getting Started page 31

Free COM1:
7. Type "isa5307 *f=1"
8. Exit the "7188xw" screen; else the COM1/COM2 is always in use.
9. Switch the "Init*" to "OFF" then power it up.
Important Notice:
If user wants to change COM1 back to a Modbus RTU Slave port again, follow the same
steps as above and then type
Getting Started: PAC-5007(P)/5107(P)/5207/5307 Ver. 1.0, 07/2010
to free COM1 (free COM1 as Non-Modbus-Slave)
Please type the instruction according to
the controller model. (Ex.
"isa5307 *f=0" as below.
ICP DAS
isa5307 *f=1)
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