
I185 GB 06 15
LRX D01
11
CHAPTER 2: INSTALLATION
GENERAL SPECIFICATIONS
LRD is a micro PLC with a maximum of 44 I/O points and can be programmed in Relay Ladder Logic or FBD (Function Block Diagram) program.
The LRD can expand to its maximum I/O count by adding 3 groups of 4-input and 4-output modules.
POWER SUPPLY
Input Power Voltage Range
LRD...D012 models: 10.4-14.4VDC;
LRD...D024 models: 20.4-28.8VDC;
LRD...A024 models: 20.4-28.8VAC 47-63Hz;
LRD...A240 models: 85-265VAC 47-63Hz
Power Consumption
LRD12...D024: 125 mA; LRD20RD012: 265mA; LRD20RD024: 185 mA
LRD...A024: 290 mA; LRD...A240: 100 mA
Wire Size (all terminals)
0.14...2.5mm
2
/ 26...14 AWG
PROGRAMMING
Programming languages
Ladder/Function Block Diagram
Program Memory
300 Lines or 260 Function Blocks
Programming storage media
Flash
Execution Speed
10ms/cycle
LCD Display
4 lines x 16 characters
TIMERS
Maximum Number
Ladder: 31; FBD: 250
Timing ranges
0.01s-9999min
COUNTERS
Maximum Number
Ladder: 31; FBD: 250
Highest count
999999
Resolution
1
RTC (REAL TIME CLOCK)
Maximum Number
Ladder: 31; FBD: 250
Resolution
1min
Time span available
Week, year, month, day, hour, minutes
ANALOG COMPARE
Maximum Number
Ladder: 31; FBD: 250
Compare versus other inputs
Analog, Timer, Counter, Temperature Input (AT), Analog Output (AQ),
Analog*gain + Offset, AS, MD, PI, MX, AR , DR , or Numeric values
AMBIENT CONDITIONS
Enclosure Type
IP20
Maximum Vibration
1G according to IEC/EN 60068-2-6
Operating Temperature Range
-20°...+55°C (-4°...+131°F)
Storage Temperature Range
-40°...+70°C (-40°...+158°F)
Maximum Humidity
90% (Relative, non-condensing) (IEC/EN 60068-2-70)
Vibration resistance
0.075mm amplitude, 1.0g acceleration (IEC/EN 60068-2-6)
Shock resistance
15g, 11ms (IEC/EN 60068-2-27)
Presence of gas
Absence of corrorive gas
Disturbance immunity
Electrostatic discharge
±4kV contact; ±8kV in air
Electrical transient (fast-burst)
Power VAC: ±2kV
Radio-frequency disturbance (conducted-induced) 0.15-80MHz 10V/m
Radiated radio-frequency emission
80-1000MHz 10V/m
Electromagnetic disturbance emission
EN 55011 Class B
Certifications
cULus
Compliant with standards
IEC/EN 61131-2, UL508, CSA C22.2 n°142
DISCRETE INPUTS
Current consumption
3.2mA - 12VDC/24VDC
3.3mA - 24VAC; 1.3mA - 100-240VAC
Input Signal ”OFF” Threshold
12VDC: <2.5VDC; 24VDC: < 5VDC;
24VAC: < 6VAC; 100-240VAC: < 40VAC
Input Signal ”ON” Threshold
12VDC: >7.5VDC; 24VDC: > 15VDC;
24VAC: >14VAC; 100-240VAC : > 79VAC
Input On delay
12VDC/24VDC: 4ms
24VAC: 4ms
120VAC: 50ms; 240VAC: 25ms
Input Off Delay
12VDC/24VDC: 4ms
24VAC: 4ms
120VAC: 50/45ms 50/60Hz; 240VAC: 90/85ms 50/60Hz
Transistor device compatibility
NPN, 3-wire device only
High Speed Input frequency
1kHz
Standard Input frequency
< 40 Hz
Required protection
Inverse voltage protection required, see wiring details