5

■ Amplifier Units

Item

Model

ZX-LDA11-N

ZX-LDA41-N

Measurement period

150

µs

Possible average count settings*1

*1. The response speed of the linear output is calculated as the measurement period

The response speed of the judgement outputs is calculated as the measurement period

1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1,024, 2,048, or 4,096

Temperature characteristic

When connected to a Reflective Sensor Head: 0.01% FS/

°C, When connected to a Through-beam Sensor

Head: 0.1% FS/

°C

Linear output*2

*2. The output can be switched between a current output and voltage output using a switch on the bottom of the Amplifier Unit.

4 to 20 mA/FS, Max. load resistance: 300

Ω, ±4 V (± 5 V, 1 to 5 V *3), Output impedance: 100 Ω

*3. Setting is possible via the monitor focus function.

Judgement outputs

(3 outputs: HIGH/PASS/LOW)*1

NPN open-collector outputs, 30 VDC, 50 mA max.

Residual voltage: 1.2 V max.

PNP open-collector outputs, 30 VDC, 50 mA max.

Residual voltage: 2 V max.

Laser OFF input, zero reset input,

timing input, reset input

ON: Short-circuited with 0-V terminal or 1.5 V or less

OFF: Open (leakage current: 0.1 mA max.)

ON: Supply voltage short-circuited or supply voltage

within 1.5 V

OFF: Open (leakage current: 0.1 mA max.)

Functions

Measurement value display, present value/set value/light level/resolution display, scaling, display reverse,

display OFF mode, ECO mode, number of display digit changes, sample hold, peak hold, bottom hold,

peak-to-peak hold, self-peak hold, self-bottom hold, average hold, delay hold, intensity mode, zero reset,

initial reset, ON-delay timer, OFF-delay timer, one-shot timer, deviation, previous value comparison,

sensitivity adjustment, keep/clamp switch, direct threshold value setting, position teaching, 2-point

teaching, automatic teaching, hysteresis width setting, timing inputs, reset input, monitor focus, linear

output compensation, (A-B) calculations*4, (A+B) calculations*4, mutual interference*4, laser

deterioration detection, zero reset memory, zero reset display, key lock

*4. A Calculating Unit (ZX-CAL2) is required.

Indications

Operation indicators: High (orange), pass (green), low (yellow), 7-segment main display (red), 7-segment

subdisplay (yellow), laser ON (green), zero reset (green), enable (green)

Power supply voltage

12 to 24 VDC

±10%, Ripple (p-p): 10% max.

Current consumption

140 mA max. with power supply voltage of 24 VDC (with Sensor connected)

Ambient temperature

Operating: 0 to 50

°C, Storage: −15 to 60°C (with no icing or condensation)

Ambient humidity

Operating and storage: 35% to 85% (with no condensation)

Insulation resistance

20 M

Ω min. at 500 VDC

Dielectric strength

1,000 VAC, 50/60 Hz for 1 min

Vibration resistance

(destruction)

10 to 150 Hz, 0.7-mm double amplitude 80 min each in X, Y, and Z directions

Shock resistance

(destruction)

Connection method

Prewired (standard cable length: 2 m)

Weight (packed state)

Approx. 350 g

Materials

Case: PBT (polybutylene terephthalate), Cover: Polycarbonate

Accessories

Instruction sheet