MODEL: AS4CT
• Others
Alarm Trip Operation
Terminal No. in parentheses
(Refer to the instruction manual)
■ DISPLAY
Example with quad N.O. contacts (LL, L, H, HH)
LED: 8 mm (.31”) 7 segment, red
Number of display digits: 4 digits for DATA display; 2 digits
for ITEM display
ON OFF
L1 (9–10)
ON OFF
L2 (1–2)
OFF ON
Range: -1999 to 9999
L3 (1–3)
(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.
(L1 and L2 for 2-point alarm. L1, L2, L3 and L4 for 4-point
alarm.)
OFF ON
L4 (9–11)
Input
(%)
0
▲
▲
50
▲
▲
100
LL
L
H
HH
Trip Operation in Power Failure
• Output code 2: All relays turn off.
• Output code 3: All relays turn on.
• Output code 5: Terminals 1 – 3, 9 – 11 turn on.
INSTALLATION
Power consumption
•AC:
INPUT SPECIFICATIONS
Operational range: 0 – 115 % of rating
S1: 0 – 1 A
Approx. 4.6 VA at 100 V
Approx. 5.9 VA at 200 V
Approx. 6.8 VA at 264 V
•DC: Approx. 3.5 W
S5: 0 – 5 A
Frequency: 50 or 60 Hz
Input burden: 0.1 VA (input 0 – 1 A)
0.5 VA (input 0 – 5 A)
Overload capacity: 1000 % of rating for 3 sec.,
200 % for 10 sec., 120 % continuous
Minimum increment
Operating temperature: -5 to +55°C (23 to 131°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Mounting: Surface or DIN rail
Weight: 500 g (1.1 lb)
S1: 0.01 A
S5: 0.01 A
PERFORMANCE in percentage of FS input
Setpoint accuracy (trip point accuracy): ±(0.3 % of FS + 1
digit)
Default setting
S1: 0 – 1 A
S5: 0 – 5 A
Display accuracy: ±(0.3 % of FS + 1 digit)
Temp. coefficient: ±0.015 %/°C (±0.008 %/°F)
Response time: ≤ 0.7 sec. (0 – 100 % at 90 % setpoint)
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)
OUTPUT SPECIFICATIONS
Relay rating:
120 V AC @ 1 A (cos ø = 1)
240 V AC @ 0.5 A (cos ø = 1)
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
STANDARDS & APPROVALS
EU conformity:
EMC Directive
Mechanical life: 5 × 10 cycles
7
EMI EN 61000-6-4
EMS EN 61000-6-2
Low Voltage Directive
EN 61010-1
Measurement Category II (output)
Installation Category II (power)
Pollution Degree 2
Input to output to power: Basic insulation (300 V)
RoHS Directive
AS4CT SPECIFICATIONS
ES-1603 Rev.13 Page 2/4
https://www.m-system.co.jp/