MODEL: KS2
Front LEDs: Red LEDs turn on when the coils are energized.
Power ON timer: Relays de-energized for approx. 2 seconds
after power is turned on.
PERFORMANCE in percentage of span
Setpoint monitor accuracy: ± 0.5 %
Temp. coefficient: ±0.02 %/°C (±0.01 %/°F)
Response time: ≤ 0.5 sec. (0 – 100 % at 90 % setpoint)
Line voltage effect: ±0.1 % over voltage range
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 2300 V AC @1 minute (input to output
to power to ground)
INPUT SPECIFICATIONS
■ DC Current:
Shunt resistor attached to the input terminals (0.5 W)
Specify input resistance value for code Z.
■ DC Voltage: -30 – +30 V DC
Span: Min. 50 mV, Max. 30 V
Offset: Max. 1.5 times span
Input resistance
STANDARDS & APPROVALS
EU conformity:
EMC Directive
Span 50 – 100 mV : ≥ 10 kΩ
Span 0.1 – 1 V : ≥ 100 kΩ
EMI EN 61000-6-4
EMS EN 61000-6-2
Span ≥ 1 V : ≥ 1 MΩ
Low Voltage Directive
EN 61010-1
Measurement Category II (output)
Installation Category II (power)
Pollution Degree 2
OUTPUT SPECIFICATIONS
■ Relay Contact:
120 V AC @ 0.5 A (cos ø = 1)
Input or output to power: Reinforced insulation (300 V)
Input to output: Basic insulation (300 V)
(When 150 V AC max. load voltage or measurement
category I, applicable as reinforced insulation)
RoHS Directive
240 V AC @ 0.5 A (cos ø = 1)
30 V DC @ 0.5 A (resistive load)
Maximum switching voltage: 380 V AC or 125 V DC
Maximum switching power: 120 VA or 30 W (≤ 0.5 A)
Minimum load: 5 V DC @ 10 mA
EN 50581
Mechanical life: 5 × 10 cycles
7
For maximum relay life with inductive loads, external
protection is recommended.
Alarm Trip Operation Terminal No. in parentheses
(1–11)ON
Hi Output
(1–2)ON
(9–15)ON
Lo Output
(9–10)ON
Input
(%)
0
50
100
Lo Setpoint
Hi Setpoint
Trip Operation in Power Failure
: Terminals 1 – 2, 9 – 10 turn ON.
INSTALLATION
Power input
• AC: Operational voltage range: rating ±10 %,
50/60 ±2 Hz, approx. 2 VA
•DC: Operational voltage range: rating ±10 %,
ripple 10 %p-p max., approx. 2 W (80 mA at 24 V)
Operating temperature: -5 to +55°C (23 to 131°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Mounting: Surface or DIN rail
Weight: 400 g (0.88 lb)
KS2 SPECIFICATIONS
ES-3612 Rev.6 Page 2/4
http://www.m-system.co.jp/