Ultra High-Speed/High-Accuracy Laser Displacement Sensor

LK-G5000 series

Catalogues View Catalogue

Controller LK-G5000

LK-G5000 - Controller

  • CE Marking






Sensor head compatibility


No. of connectable sensor heads



Minimum display unit

0.001 µm

Display range

±999.999 µm to ±9999.99 mm, (7 settings selectable)

Display cycle

10 times/sec

Display interface

Display port

Either the display unit (LK-HD500) or dedicated touch panel (LK-HD1001) can be connected

LED indicator


Terminal block

Analogue output voltage

±10 V output, Output impedance: 100 Ω*1

Analogue current output

4 to 20 mA, Maximum load resistance: 350 Ω*1

No. of analogue outputs


Laser remote input

Non-voltage or voltage input*2*1

Alarm output

NPN open-collector output*3*1

General comparator output

Expansion connector

TIMING input

Non-voltage or voltage input*2*1

RESET input

Auto-zero input

Program switching input

Binary selection input

Alarm output

NPN open-collector output*3*1

Comparator output

Binary output

RS-232C interface

Baud rate: 9600 to 115200 bps
Data length: 8 bits Stop bit length: 1 bit Parity: None/even/odd

USB interface

USB 2.0 Hi-Speed compliant*4

Ethernet interface



Cyclic communication (implicit messaging)
Message communication (explicit messaging) : UCMM and Class3
Number of connections: 32
Complies with conformance test version CT14*6


The following PLCs are supported:Mitsubishi Electric: MELSEC iQ-R Series, iQ-F Series, Q Series, L Series, FX Series
EtherNet/IPTM, CC-Link, and DeviceNetTM cannot be used in conjunction with PLC-Link

Head expansion unit connector

Up to 10 head expansion units can be connected to one main controller

Expansion unit connector

Either of the CC-Link unit (LK-CC100) or DeviceNetTM unit (LK-DN100) can be connected

Power supply

Power supply voltage

24 VDC ±10%

Maximum current consumption

0.6 A or less with 1 head/3.5 A or less with 12 heads

Environmental resistance

Ambient temperature

When one or less head expansion unit is connected: 0 to +50 °C.
When two or more head expansion units are connected: 0 to +40 °C.

Relative humidity

35 to 85 % RH (No condensation)


Approx. 600 g

*1 NPN open-collector output rating: 50 mA max. (40 V max.), Residual voltage: 0.5 V max.
PNP open-collector output rating: 50 mA max. (30 V max.), Residual voltage: 0.5 V max.
Non-voltage input rating: ON voltage: 1 V max., OFF current: 0.6 mA max.
Voltage input rating: Maximum input rating: 26.4 V, ON voltage: 10.2 V, OFF current: 0.6 mA
Part of the input/output circuit of the LK-G5000 Series is internally common. Be careful that no potential difference is generated between the internally common terminals due to the potential
difference between the cables/external devices. For details, refer to "Precautions on wiring" in the User's Manual.
*2 (NPN model) The rating of non-voltage input: 1 V or less ON voltage, 0.6 mA or less OFF current. (PNP model) The rating of voltage input: 10.2 V or more ON voltage (26.4 V max.) 0.6 mA or less OFFcurrent.
*3 The rating of the NPN open-collector: 50 mA max. (40 V max.), residual voltage of 0.5 V max. The rating of the PNP open collector: 50 mA max. (30 V max.), residual voltage of 0.5 V max.
*4 When a PC supporting USB 1.1 or USB 2.0 full speed is connected, the data refresh cycle and other operations may slow down.
*5 Use the Ethernet interface only for direct connections with a PC or for local network connections with a PC or LK-G5000 Series units.
*6 The EtherNet/IPTM interface cannot be used when a CC-Link unit or a DeviceNetTM unit is installed.
EtherNet/IPTM is supported by the latest controllers. For details on which controllers support EtherNet/IPTM , contact your nearest KEYENCE office.

Other Models