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CHAPTER 2
This chapter describes internal circuits, pin numbers and corresponding signal names, and specifications of external
I/O interface. For connectors used for external wiring, refer to MELSEC-L CPU Module User's Manual (Hardware
Design, Maintenance and Inspection).
(1) Input specifications
Item
Signal name
Rated input voltage
Rated input current
ON voltage/ON current
OFF voltage/OFF current
Input resistance
Off On
Response time
On Off
Withstand voltage
Insulation resistance
Wiring method for common
The response time at turning on off of input devices can take 0.2ms even if the input response time is set to "0.1ms".
*1
*2
The response time can take 0.02ms even if the input response time is set to "0.01ms".
The following shows a temperature derating curve for the input signal.
16
14
12
10
8
6
4
2
0
22
EXTERNAL I/O SPECIFICATIONS
High-speed input (IN0 to IN5)
24V input
24VDC (+20%/-15%, ripple ratio
within 5%)
6.0mA (TYP.) (at 24VDC)
19.0V or higher/5.0mA or higher
8V or lower/1.5mA or lower
3.8k
Depending on the setting value of the input response time setting
*2
(0.01ms
/0.1ms/0.2ms/0.4ms/0.6ms/1ms)
510VAC for 1 minute between input terminal and internal power supply (altitude: 0 to 2000m)
10M or higher between input terminals and internal power supply (500VDC insulation resistance tester)
Independent common
0
10
20
Ambient temperature (
Specifications
Differential input
EIA Standard RS-422-A
Differential line driver level
(AM26LS31 (Manufactured by
Texas Instruments Incorporated)
or equivalent)
(16 points, 55
(16 points, 45
)
Input voltage: 28.8VDC
30
40
50
)
Standard input (IN6 to INF)
24V input
24VDC (+20%/-15%, ripple ratio
within 5%)
4.1mA (TYP.) (at 24VDC)
19.0V or higher/3.5mA or higher
8V or lower/1.0mA or lower
5.6k
Depending on the setting value of
the input response time setting
*1
(0.1ms
/1ms/5ms/10ms/20ms/70
ms)
10 points/common
)
Input voltage:
24VDC
Input voltage:
26.4VDC
(8 points, 55
)
55
60
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