Mitsubishi Electronics -QS90SR2SP-CC ユーザーズマニュアル

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5
SETTINGS AND PROCEDURES BEFORE 
OPERATION
5.4 Wiring
5.4.1 Precautions for safety devices and wiring
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(b) When both main module and extension modules are used in a system
Table 5.6 and Table 5.7 show the maximum wire lengths for input P type and input 
N type extension modules, respectively.
 * 1: Use the wire whose diameter is between 0.2 and 0.75mm
2
 for the QS90SR2SP-Q and 
QS90SR2SN-Q.
 * 2: Each wire length (a, b, c, and d) corresponds to the same alphabets shown in Figure 5.13.
 * 3: When one QS90SR2SN-Q/CC whose first 6 digits of the serial number are "111013" or earlier or 
one QS90SR2SN-EX is included
 * 4: Use the wire whose diameter is 0.75mm
2
 for the QS90SR2SN-Q.
Figure 5.13 System configuration and external wiring diagram
POINT
Use a wire with the same length of the wire for X0 for X1.
Table 5.6 Maximum wire length of the safety input when an extension module (input P type) is used
System configuration
Diameter
Maximum wire length
*2
a
b
c
d
QS90SR2SP-Q/CC + one QS90SR2SP-EX module
0.2 to 2.5mm
2 *1
50m
50m
-
-
QS90SR2SP-Q/CC + two QS90SR2SP-EX modules
50m
50m
50m
-
QS90SR2SP-Q/CC + three QS90SR2SP-EX modules
50m
50m
50m
50m
Table 5.7 Maximum wire length of the safety input when an extension module (input N type) is used
System configuration
First 6 digits of 
serial No.
Diameter
*1
Maximum wire length
*2
a
b
c
d
QS90SR2SN-Q/CC + one QS90SR2SN-EX module
"111014" or later
0.2 to 2.5mm
2 *1
50m
50m
-
-
QS90SR2SN-Q/CC + two QS90SR2SN-EX modules
50m
50m
50m
-
QS90SR2SN-Q/CC + three QS90SR2SN-EX modules
50m
50m
50m
50m
QS90SR2SN-Q/CC + one QS90SR2SN-EX module
*3
"111013" or earlier
0.75 to 2.5mm
2 *4
30m
20m
-
-
QS90SR2SN-Q/CC + two QS90SR2SN-EX modules
*3
20m
15m
15m
-
QS90SR2SN-Q/CC + three QS90SR2SN-EX modules
*3
10m
13.3m
13.3m
13.3m
a: External wire length of the safety input (X0-COM, X1-COM) of the main module
b: External wire length of the safety input (X0-COM, X1-COM) of the first extension module
c: External wire length of the safety input (X0-COM, X1-COM) of the second extension module
d: External wire length of the safety input (X0-COM, X1-COM) of the third extension module
a
b
c
d
a
b
c
d
First 
extension 
module
Extension cable
Extension cable
Extension cable
Second 
extension 
module
Third 
extension 
module
Main module
Safety switch
Safety switch
Safety switch
Safety switch
COM
X0
X1
COM
COM
X0
X1
COM
COM
X0
X1
COM
COM
X0
X1
COM