A-45
Appendices
NJ-series CPU Unit Hardware User’s Manual (W500)
A-2 Specifications of Basic I/O Units
A
A-2-2 Basic I/O Units
*1 Observe the following restrictions when connecting to a 2-wire sensor.
• Make sure the input power supply voltage is larger than the ON voltage (19 V) plus the residual voltage of the sen-
sor (approx. 3 V).
• Use a sensor with a minimum load current of 3 mA min.
• Connect bleeder resistance if you connect a sensor with a minimum load current of 5 mA or higher.
*2 The ON response time will be 120 s maximum and OFF response time will be 400 s maximum even if the response
times are set to 0 ms due to internal element delays.
Circuit Configura-
tion
CN1 (OUT) CN2 (IN)
External connec-
tion and terminal-
device variable
diagram
CN1 (OUT) CN2 (IN)
• Be sure to wire both terminals A19 and A9 (COM0 (0
V)) of CN1.
• Be sure to wire both terminals B19 and B9 (COM1 (0
V)) of CN1.
• Be sure to wire both terminals A20 and A10 (+V) of
CN1.
• Be sure to wire both terminals B20 and B10 (+V) of
CN1.
• When wiring, pay careful attention to the polarity of
the external power supply. The load may operate
incorrectly if polarity is reversed.
• Be sure to wire both pins A9 and A18 (COM2) of CN2,
and set the same polarity for both pins.
• Be sure to wire both pins B9 and B18 (COM3) of CN2,
and set the same polarity for both pins.
• When wiring, pay careful attention to the polarity of the
external power supply. The load may operate incorrectly
if polarity is reversed.
Internal circuits
to
to
Output
indicator
Indicator
switch
Wd m
Wd
m+1
Allocated
CIO word
Signal
name
Connect
or row A
Connect
or row B
+V
COM0
+V
COM1
COM0
COM1
Jxx_Ch1_Out00
Jxx_Ch1_Out15
Jxx_Ch2_Out00
Jxx_Ch2_Out15
5.6 kΩ
560
Ω
1000 pF
5.6 kΩ
560
Ω
1000 pF
to
to
Indicator switch
Input indicator
Internal circuits
Wd
m+2
Wd
m+3
Allocated
CIO word
Signal
name
Connect
or row A
Connect
or row B
Jxx_Ch1_In00
Jxx_Ch1_In15
Jxx_Ch2_In00
Jxx_Ch2_In15
COM2
COM3
COM2
COM3
0
5
10
15
20
25
30
35
0 20 40 60
(°C)
No. of simultaneously ON inputs vs.
Ambient Temperature Characteristic
No. of simultaneously ON inputs
32 points at 38°C
32 points at 44°C
Ambient Temperature
Input voltage:
24 VDC
Input voltage:
26.4 VDC
12 points/
common
at 55°C
8 points/
common
at 55°C
Wd m+1
Wd m
Wd m+1
12 to
24
VDC
Wd m
12 to
24
VDC
Signal
name
Signal
name
Connec-
tor pin
Allocated
CIO word
Allocated
CIO word
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
B11
B12
B13
B14
B15
B16
B17
B18
B19
B20
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
Jxx_Ch2_Out15
Jxx_Ch2_Out14
Jxx_Ch2_Out13
Jxx_Ch2_Out12
Jxx_Ch2_Out11
Jxx_Ch2_Out10
Jxx_Ch2_Out09
Jxx_Ch2_Out08
Jxx_Ch2_Out07
Jxx_Ch2_Out06
Jxx_Ch2_Out05
Jxx_Ch2_Out04
Jxx_Ch2_Out03
Jxx_Ch2_Out02
Jxx_Ch2_Out01
Jxx_Ch2_Out00
Jxx_Ch1_Out15
Jxx_Ch1_Out14
Jxx_Ch1_Out13
Jxx_Ch1_Out12
Jxx_Ch1_Out11
Jxx_Ch1_Out10
Jxx_Ch1_Out09
Jxx_Ch1_Out08
Jxx_Ch1_Out07
Jxx_Ch1_Out06
Jxx_Ch1_Out05
Jxx_Ch1_Out04
Jxx_Ch1_Out03
Jxx_Ch1_Out02
Jxx_Ch1_Out01
Jxx_Ch1_Out00
+V
COM1 (0 V)
COM1 (0 V)
+V
+V
COM0 (0 V)
+V
COM0 (0 V)
Signal
name
Signal
name
Connec-
tor pin
Allocated
CIO word
Allocated
CIO word
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
B11
B12
B13
B14
B15
B16
B17
B18
B19
B20
Wd m+2
Wd m+3
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
24
VDC
24
VDC
Wd m+3
Wd m+2
Jxx_Ch1_In00
Jxx_Ch1_In01
Jxx_Ch1_In02
Jxx_Ch1_In03
Jxx_Ch1_In04
Jxx_Ch1_In05
Jxx_Ch1_In06
Jxx_Ch1_In07
Jxx_Ch1_In08
Jxx_Ch1_In09
Jxx_Ch1_In10
Jxx_Ch1_In11
Jxx_Ch1_In12
Jxx_Ch1_In13
Jxx_Ch1_In14
Jxx_Ch1_In15
Jxx_Ch2_In00
Jxx_Ch2_In01
Jxx_Ch2_In02
Jxx_Ch2_In03
Jxx_Ch2_In04
Jxx_Ch2_In05
Jxx_Ch2_In06
Jxx_Ch2_In07
Jxx_Ch2_In08
Jxx_Ch2_In09
Jxx_Ch2_In10
Jxx_Ch2_In11
Jxx_Ch2_In12
Jxx_Ch2_In13
Jxx_Ch2_In14
Jxx_Ch2_In15
COM2
COM2
NC
NC
NC
NC
COM3
COM3
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