MODEL: AS4LC
• Others
240 V AC @ 0.5 A (cos ø = 1)
(Refer to the instruction manual)
■ DISPLAY
30 V DC @ 1 A (resistive load)
(Limited within 0.5 A to conform with EU Directive)
Maximum switching voltage: 380 V AC or 125 V DC
Maximum switching power: 120 VA or 30 W
Minimum load: 5 V DC @ 10 mA
LED: 8 mm (.31”) 7 segment, red
Number of display digits: 4 digits for DATA display; 2 digits
for ITEM display
Range: -1999 to 9999
Mechanical life: 5 × 10 cycles
7
(decimal point position selectable)
PV indication: Input signal in engineering unit
Overrange indication: LEDs blinking
Power saving mode: Displays turn off if the keys are
untouched for a preset time period
LEDs: Red LEDs turn on when coils are energized.
(PL1 and PL2 for 2-point alarm. PL1, PL2, PL3 and PL4 for 4-
point alarm.)
Alarm Trip Operation
Terminal No. in parentheses
Example with quad N.O. contacts (LL, L, H, HH)
ON OFF
L1 (9–8)
ON OFF
L2 (15–8)
OFF ON
OFF ON
L3 (10–8)
L4 (1–8)
Input
(%)
0
▲
▲
50
▲
▲
100
INPUT SPECIFICATIONS
■ Strain Gauge Input
LL
L
H
HH
Trip Operation in Power Failure
• Output code 2: All relays turn off.
• Output code 3: All relays turn on.
• Strain Gauge
Sensor sensitivity setting
• Output code 5: Terminals 15 – 8, 1 – 8 turn on.
S1: 0.010 - 3.000mV/V
S2: 0.010 - 9.999mV/V
S3: 0.10 - 30.00mV/V
Sensor sensitivity setting min. step:
S1: 0.001 mV/V
INSTALLATION
Power consumption
•AC: Approx. 11 VA
•DC: Approx. 8 W
S2: 0.001 mV/V
S3: 0.01 mV/V
Default setting:
Operating temperature: -5 to +55°C (23 to 131°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Mounting: Surface or DIN rail
S1: 3.000 mV/V
S2: 9.999 mV/V
S3: 30.00 mV/V
Weight: 500 g (1.1 lb)
Rated output from strain gauge:
S1: -30.00 – +30.00 mV, span 1.00 – 30.00 mV
S2: -99.99 – +99.99 mV, span 3.00 – 99.99 mV
S3: -300.0 – +300.0 mV, span 10.0 – 300.0 mV
Input voltage setting min. step:
S1: 0.01 mV
PERFORMANCE in percentage of span
Setpoint accuracy (trip point accuracy): ±(0.1 % of FS + 1
digit)
Display accuracy: ±(0.1 % of FS + 1 digit)
Temp. coefficient: ±0.015 %/°C (±0.008 %/°F) of max. span
Response time: ≤ 1.5 sec. (0 – 100 % at 90 % setpoint)
Excitation: Set value ±250 mV
S2: 0.01 mV
S3: 0.1 mV
Note: Consult factory for use with a compression/tension
load cells.
Line voltage effect: ±0.1 % over voltage range
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 2000 V AC @1 minute (input to output
to power to ground)
• Excitation: 0.1 – 12.0 V adjustable (0.1 V increments)
Maximum current: 30 mA
Default setting: 1.0 V
■ Contact Input: TTL level (5V-CMOS level), open collector
or dry contact (detecting voltage: approx. 5 V, saturation
voltage: ≤ 1 V, sink current: 0.5 mA)
STANDARDS & APPROVALS
EU conformity:
EMC Directive
EMI EN 61000-6-4
OUTPUT SPECIFICATIONS
Relay rating:
EMS EN 61000-6-2
Low Voltage Directive
EN 61010-1
120 V AC @ 1 A (cos ø = 1)
AS4LC SPECIFICATIONS
ES-1601 Rev.13 Page 2/4
https://www.m-system.co.jp/
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