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          Programmable Logic Controller

          KV Nano series

          Select Language

          Terminal block type: Base unit, 24-point, Transistor output type



          General specifications

          Supply voltage

          100 to 240 VAC (+10%/-15%)

          Output power supply voltage

          24 VDC (±10%; output capacity : 0.6 A)

          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/s2*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/s2*3*4

          Shock resistance

          Acceleration : 150 m/s2 , 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

          Stored program 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 points 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, 32 bits (T0 to T511)



          256, 32 bits (C0 to C255)

          Data memory


          32,768, 16 bits (DM0 to DM32767)

          Link register


          16,384, 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)

          Positioning pulse output

          2 axes
          Maximum output frequency : 100 kHz

          Base unit I/O

          Input : 14 points; output : 10 points
          Input common : 1 point
          Output common : 5 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 10000 times


          Nonvolatile RAM*7

          Self-diagnosis function

          CPU error, RAM error, and other problems

          Input specifications

          Relay number

          General input: R000 to R003, R008 to R013 (10 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 inputs/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

          Single phase : 100 kHz, phase difference : 50 kHz, 24 V±10%, Duty 50%

          Output specifications

          Relay number

          R504 to R509
          (6 points)

          Output mode

          MOSFET (N-ch)

          Rated load

          30 VDC, 0.5 A

          Maximum OFF voltage

          30 VDC

          Leakage current at OFF

          100µA or less

          Residual voltage at ON

          0.8 VDC or less (with 0.5 A output), 0.6 VDC or less (with 0.3 A output)

          Common method

          8 to 10 points/1 common

          ON/OFF response time

          General output:
          OFF to ON: 100 µs (load of 1 mA or more), ON to OFF: 200 µs (load of 1 mA or more)
          High-speed output:
          OFF to ON: 2 µs (7 to 100 mA load), ON to OFF: 5 µs (7 to 100 mA load)

          Overcurrent protection

          Protection provided for each common*10

          Output frequency

          100 kHz (7 to 100 mA load)

          Built-in serial port


          Communication standard



          Modular connector

          Transmission specifications RS-232C

          Baud rate


          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


          Number of transmission units



          SD (green), RD (red)

          Internal current consumption



          Approx. 470 g

          *1 The range guaranteed as a system (excluding items specially noted for the units and cassettes).
          *2 This is regulated according to the temperature 30 mm 1.18" below the center of the control panel unit.
          *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
          *10 If an overcurrent occurs, the protection operation (output turned OFF) and automatic recovery are repeated for all outputs
          within the shared common until the cause of the problem is removed.

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