14 - 13
Chapter 14 Common Functions
[1] Parameter setting details
To use the "External I/O signal logic switching function", set the parameters
shown in the following table.
Setting item Setting details
Factory-
set initial
value
Buffer memory address
[Pr.22]
Input signal logic
selection
• Selection of logic of signals input from external
device to Simple Motion module
0 31+150n
b0
Lower limit
*2
0: Negative logic,
1: Positive logic
b1
Upper limit
*2
b2 Not used Set "0".
b3 Stop signal
0: Negative logic,
1: Positive logic
b4
External
command/
switching signal
0: Negative logic,
1: Positive logic
b5 Not used Set "0".
b6
Proximity dog
signal
*2
0: Negative logic,
1: Positive logic
b7 Not used Set "0".
b8
Manual pulse
generator input
*1
0: Negative logic,
1: Positive logic
b9 to b15 Not used Set "0".
n: Axis No.-1
1: Only the value specified against the axis 1 is valid for the logic selection of manual pulse generator input (b8).
2: When a servo amplifier is used and HPR is being executed, the setting is ignored. For the input logic specification
of the servo amplifier, refer to the instruction manual of the servo amplifier to be used. [CiA402 mode]
: Refer to Section 5.2 "List of parameters" for the information on detail settings.
[2] Precautions on parameter setting
(1) The external I/O signal logic switching parameters are validated when the
PLC READY signal [Y0] is turned OFF to ON. (The logic is negative right
after power-on.)
(2) If the logic of each signal is set erroneously, the operation may not be carried
out correctly.
Before setting, check the specifications of the equipment to be used.
(3) When the same external input signal is set to use to the multiple axes in
"[Pr.80] External input signal selection" or "[Pr.95]
External command signal
selection
", "Input signal logic selection" of those axes should be the same.
Otherwise, the error "Input signal logic selection setting error" (error code:
938) occurs when the PLC READY signal [Y0] is turned ON, and the READY
signal [X0] will not be turned ON.
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