5-5
Unit numbers are the numbers to identify the different PLCs on the same network. The same number
must not be used for more than one PLC on the same network.
If unit number setting switch is 0, the memory switch (F159 (MTRN), MCU setting) is valid.
If unit number setting switch is a number other than 0, the unit number setting switch is valid, and the
unit number setting with the memory switch is ignored.
Note:
When using the PC(PLC) link with FP2-CB232 (AFP2803) the number of units is up to two.
Setting unit numbers with the setting switch
The unit number setting switch is located at the back of the unit. The rotary switch can be used to set a
unit number between 1 and 15.
(With FP2-CB232 (AFP2803) a maximum of 2 unit number can be set.)
Table of switch settings and related unit numbers
Unit No.
setting switch
Unit No.
Unit No.
setting switch
Unit No.
0 Memory switch
Note)
88
11 99
22 A10
33 B11
44 C12
55 D13
66 E14
77 F15
Note) Sets by the MCU setting and F159 (MTRN) instruction, and sets
more than 15 unit numbers. The default setting of PC(PLC) link is 1,
therefore, the unit No. will be 0 without the setting with the memory
switch, and PC(PLC) link will be unavailable.
Setting using F159 (MTRN)
Setting the unit number setting switch to 0 makes F159 (MTRN) setting valid.
Reference: <9.2 Communication Conditions Settings and Monitor>.
Setting using MCU setting
Setting the unit number setting switch to 0 makes the MCU setting in the programming tool valid.
Reference: <4.4.3 Memory Switch MCU Settings.>.
Reference:
For the details on the PC(PLC) link of FPΣ, refer to <FPΣ User’s Manual ARCT1F333>.
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