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4.3.2 LY18R2A contact output module (All points independent)
Item Specifications Appearance
Number of output points 8 points
Insulation method Relay
Rated switching voltage, current
24VDC 2A (resistance load)/point, 8A/module
240VAC 2A (COS = 1)/point, 8A/module
Minimum switching load 5VDC 1mA
Maximum switching load 264VAC 125VDC
Response time
OFF to ON 10ms or less
ON to OFF 12ms or less
Life
Mechanical 20 million times or more
Electrical
Page 23, Section 3.2 (3) (a)
Maximum switching frequency 3600 times/hour
Surge suppressor None
Fuse None (Attaching a fuse to each external wiring is recommended.)
Dielectric withstand voltage 2300VAC, 1 minute (altitude 2000m)
Insulation resistance 10M or more by insulation resistance tester
Noise immunity
By noise simulator of 1500Vp-p noise voltage, 1µs noise width and 25 to 60Hz
noise frequency
Protection degree IP1X
Common terminal arrangement No common (all-point independent contact)
Number of occupied I/O points 16 points (I/O assignment: output 16 points)
External interface
18-point screw terminal block (M3 × 6 screws) ( Page 62, Section 6.2.1)
5VDC internal current
consumption
260mA (TYP. all points ON)
Weight 0.18kg
External connections Terminal connections
TB1
Load
Load
LED
TB16
TB15
LED
100/200VAC
or
24VDC
TB2
100/200VAC
or
24VDC
Internal
circuit
Relay
Relay
1
3
5
7
9
11
13
15
17
2
4
6
8
10
12
14
16
18
Y00
Y01
Y02
Y03
Y04
Y05
Y06
Y07
Y00
Y01
Y02
Y03
Y04
Y05
Y06
Y07
Empty
Empty
The following diagram shows the external load power supply.
Signal
name
Signal
name
Terminal
number
Viewed from the front of the module.
External load power supply
External load power supply
External load power supply
External load power supply
External load power supply
External load power supply
External load power supply
External load power supply
100/200VAC
or 24VDC
Load
Load
Load
Load
Load
Load
Load
Load