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          Programmable Logic ControllerKV Nano series


          Base Unit, Panel, DC Power Supply Input(8 Points)/Output(6 Points) Relay Outputs


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          General specifications

          Supply voltage

          24 VDC (+10%/-15%)

          Output power supply voltage

          Surrounding air temperature

          0 to 55°C 32 to 131°F (no freezing)*1*2

          Storage temperature

          -25 to +75°C -13 to 167°F

          Operating ambient humidity

          5 to 95%RH (no condensation)*1

          Withstand voltage

          1500 VAC for 1 minute, between power supply terminal and I/O terminals and between all external terminals and case

          Noise immunity

          1500 V peak-to-peak or more, pulse width 1 µs, 50 ns (by noise simulator), IEC standard compliant (IEC61000-4-2/3/4/6)

          Vibration resistance

          Intermittent vibration

          Frequency: 5 to 9 Hz

          Amplitude: 3.5 mm 0.14"*3*4

          Frequency: 9 to 150 Hz

          Acceleration: 9.8 m/s 2*3*4

          Continuous vibration

          Frequency: 5 to 9 Hz

          Amplitude: 1.75 mm 0.07"*3*4

          Frequency: 9 to 150 Hz

          Acceleration: 4.9 m/s 2*3*4

          Shock resistance

          Acceleration: 150 m/s 2, application time: 11 ms, two times in each of the X, Y, and Z directions

          Insulation resistance

          50 MΩ or more (500 VDC megger used to perform measurements between power terminal and input terminals, and between all external terminals and case)

          Operating environment

          As little dust and corrosive gases as possible

          Operating altitude

          2000 m 6561.7' or less

          Overvoltage category

          AC: II, DC: I

          Pollution degree


          Performance specifications

          Calculation control method

          Program storage method

          I/O control method

          Refresh method

          Program language

          Expansion ladder, KV script, mnemonic

          Number of instructions

          Basic instructions: 81 kinds and 182 instructions, application instructions: 39 kinds and 56 instructions, calculation instructions: 123 kinds and 311 instructions, expansion instructions: 92 kinds and 141 instructions, total: 335 kinds and 690 instructions

          Instruction execution speed

          Basic instruction: 50 ns minimum, Application instruction: 170 ns minimum

          Program capacity

          8k steps

          Maximum number of attachable I/O units


          Maximum number of I/O points


          Input relay/Output relay/Internal auxiliary relay


          Total of 9600 p oints 1 bit (R000 to R59915)

          Link relay


          8192 points 1 bit (B0 to B1FFF)

          Internal auxiliary relay


          9600 points 1 bit (MR000 to MR59915)

          Latch relay


          3200 points 1 bit (LR000 to LR19915)

          Control relay


          1440 points 1 bit (CR000 to CR8915)



          512 points 32 bits (T0 to T511)



          256 points 32 bits (C0 to C255)

          Data memory


          32768 points 16 bits (DM0 to DM32767)

          Link register


          16384 points 16 bits (W0 to W3FFF)

          Temporary memory


          512 points 16 bits (TM0 to TM511)

          High-speed counter


          2 points (CTH0 and CTH1), 32-bit automatic reset counter*5(Input response: 100 kHz per single phase, 50 kHz per phase difference)*6

          High-speed counter comparator


          4 points (CTC0 to CTC3), 32 bits, two points per high-speed counter

          Index register


          12 points 32 bits (Z01 to Z12)

          Control memory


          9000 points 16 bits (CM0 to CM8999)

          Base unit I/O

          Input: 8 points, output: 6 points, Input common: 1 point, Output common: 4 points (R type), 1 point (T type)

          Number of comments and labels that can be stored in the main unit

          Device comment

          When a maximum-length ladder programme is written with no labels.


          When a maximum-length ladder programme is written with no device comments.

          Power off hold function

          Program memory

          Flash ROM can be rewritten 10,000 times


          Nonvolatile RAM*7

          Self-diagnosis function

          CPU error, RAM error, and other problems

          Input specifications

          Relay number

          General input: R000 to R003 (4 points), High-speed A-phase and B-phase input: R004 to R007 (2 channels, 4 points in total)

          Input mode

          24 VDC input (open collector)

          Maximum input voltage

          26.4 VDC

          Rated input voltage

          24 VDC (General input: 5.3 mA, High-speed A-phase and B-phase input: 6.5 mA*8)

          Minimum ON voltage

          19 VDC

          Maximum OFF current


          Common method

          General input: All points/1 common (1 terminal), High-speed A-phase and B-phase input: Shared common for all points (shared with general input)

          Circuit delay time

          General input:
          OFF to ON: Max. 30 µs (Typ. 3.5 µs), ON to OFF: Max. 50 µs (Typ. 15 µs)
          High-speed A-phase and B-phase input:
          OFF to ON: Max. 2 µs (Typ. 1.1 µs), ON to OFF: Max. 2 µs (Typ. 0.3 µs)*9

          Input time constant

          Normal: 10 ms, When the HSP instruction is used: 10 µs
          When CR2305 is turned ON: 10 µs to 10 ms, eight-level switching is possible (set with CM1620). Can also be set from the Unit Editor.*9

          Delay by input time constant
          Input time constant setting 10 µs: Digital filter 1.6 to 2 µs
          Input time constant setting 20 µs: Digital filter 9 to 12 µs
          Input time constant setting 110 µs: Digital filter 90 to 93 µs
          Input time constant setting 500 µs: Digital filter 300 to 400 µs
          Input time constant setting 1 ms: Digital filter 800 to 900 µs
          Input time constant setting 2.5 ms: Digital filter 2.3 to 2.4 ms
          Input time constant setting 5 ms: Digital filter 4.0 to 4.5 ms
          Input time constant setting 10 ms: Digital filter 9 to 9.5 ms

          Response frequency

          (High-speed A-phase and B-phase input) Single phase: 100 kHz, phase difference: 50 kHz, 24 V ± 10%, Duty 50%

          Output specifications

          Relay number

          R500 to R505 (6 points)

          Output mode


          Rated load

          30 VDC, 0.5 A

          Common method

          2 to 4 points / 1 common

          ON/OFF response time

          10 ms or less

          ON resistance

          50 mΩ or less

          Minimum applicable load

          100 µA / 100 m VDC

          Relay life

          Electrical : 100,000 cycles or more (20 cycles/minute), Mechanical : 20,000,000 cycles or more

          Relay replacement


          Built-in serial port


          Communication standard



          Modular connector

          Transmission specifications RS-232C

          Baud rate

          1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200bps

          Transmission method

          Full duplex

          Data format

          Start bit

          1 bit

          Data bits

          7 bits, 8 bits

          Stop bits

          1 bit, 2 bits

          Error detection


          Even, odd, none

          Transmission distance

          15 m 49.2'

          Number of transmission units



          SD (green), RD (red)

          Internal current consumption

          160 mA


          Approx. 350 g

          *1 The range guaranteed as a system (excluding items specially noted for the units and cassettes).
          *2 The temperature below the unit center (30 mm 1.18") inside a control panel.
          *3 These specifications correspond to situations in which the unit is mounted on a DIN rail and in which the unit is mounted on the panel directly.
          *4 Conforms to JIS B 3502 and IEC61131-2, Number of scans: 10 times (100 minutes) in each of the X, Y, and Z directions
          *5 You can also configure the settings so that automatic reset is not used.
          *6 Only open collectors are supported. Line drivers are not supported.
          *7 You can set the target device by clicking “CPU system setting” and then “Power off holding” in KV STUDIO.
          *8 Reference value of input current.
          *9 The input response time corresponding to the input time constant can be calculated as shown below.(Response time) = (Circuit delay of the input circuit) + (Delay by the digital filter), Example: Maximum response time when the input time constant is set to 500 µs
          OFF to ON: 30 µs (circuit delay) + 400 µs (digital filter) = 430 µs, ON to OFF: 50 µs (circuit delay) + 400 µs (digital filter) = 450 µs

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