MODEL: KS Plug-in Signal Conditioners K-UNIT DC ALARM
MODEL: KS
Plug-in Signal Conditioners K-UNIT
DC ALARM
Functions & Features
• Providing relay contact closures at preset DC input levels
• Dual (Hi/Lo) trip
• Multi-turn screwdriver setpoint adjustments
• Monitor jacks provided for setpoint adjustments
• Enclosed relays
• Relays can be powered 110 V DC
• Isolation up to 2000 V AC
• High-density mounting
Typical Applications
• Annunciator
• Various alarm applications
50
(1.97)
K•UNIT
80
(3.15)
KS
Model
SET
HI
LO
HI
SET MONITOR
0–100%
(0–10VDC)
LO
COM
123* *132 (5.20) for KS-❑5
(4.84)
mm (inch)
MODEL: KS–[1][2]–[3]
ORDERING INFORMATION
• Code number: KS-[1][2]-[3]
Specify a code from below for each [1] through [3].
(e.g. KS-62-B)
• Special input range (For codes Z & 0)
[1] INPUT
Current
A: 4 – 20 mA DC (Input resistance 250 Ω)
A1: 4 – 20 mA DC (Input resistance 50 Ω)
B: 2 – 10 mA DC (Input resistance 500 Ω)
C: 1 – 5 mA DC (Input resistance 1000 Ω)
D: 0 – 20 mA DC (Input resistance 50 Ω)
E: 0 – 16 mA DC (Input resistance 62.5 Ω)
F: 0 – 10 mA DC (Input resistance 100 Ω)
G: 0 – 1 mA DC (Input resistance 1000 Ω)
H: 10 – 50 mA DC (Input resistance 100 Ω)
J: 0 – 10 μA DC (Input resistance 1000 Ω)
K: 0 – 100 μA DC (Input resistance 1000 Ω)
GW: -1 – +1 mA DC (Input resistance 1000 Ω)
FW: -10 – +10 mA DC (Input resistance 100 Ω)
Z: Specify current (See INPUT SPECIFICATIONS)
http://www.m-system.co.jp/
Voltage
1: 0 – 10 mV DC (Input resistance 10 kΩ min.)
15: 0 – 50 mV DC (Input resistance 10 kΩ min.)
16: 0 – 60 mV DC (Input resistance 10 kΩ min.)
2: 0 – 100 mV DC (Input resistance 100 kΩ min.)
3: 0 – 1 V DC (Input resistance 1 MΩ min.)
4: 0 – 10 V DC (Input resistance 1 MΩ min.)
5: 0 – 5 V DC (Input resistance 1 MΩ min.)
6: 1 – 5 V DC (Input resistance 1 MΩ min.)
4W: -10 – +10 V DC (Input resistance 1 MΩ min.)
5W: -5 – +5 V DC (Input resistance 1 MΩ min.)
0: Specify voltage (See INPUT SPECIFICATIONS)
[2] OUTPUT
1: Open collector
2: Relay; N.O. or make contact
3: Relay; N.C. or break contact
4: SSR
5: Relay; SPDT or transfer contact
[3] POWER INPUT
AC Power
B: 100 V AC
C: 110 V AC
D: 115 V AC
F: 120 V AC
G: 200 V AC
H: 220 V AC
J: 240 V AC
DC Power
S: 12 V DC
R: 24 V DC
GENERAL SPECIFICATIONS
Construction: Plug-in
Connection: M3.5 screw terminals
Housing material: Flame-resistant resin (black)
Isolation: Input to output to power
Setpoint adjustments: Multi-turn screwdriver adjustments
(front); 0 – 100% independently
Monitor jacks: Output 0 – 10 V for 0 – 100 % setpoints
Hysteresis (deadband): 0.5 – 1.0 %
Front LEDs: Red lights turn on in tripped conditions
Power ON timer: The output devices will not be driven for
approx. 2 sec. after the power is turned on.
INPUT SPECIFICATIONS
• DC Current:
Shunt resistor attached to the input terminals (0.5 W)
Specify input resistance value for code Z.
KS SPECIFICATIONS
ES-3611 Rev.8 Page 1/5
MODEL: KS
• DC Voltage: -300 – +300 V DC
Minimum span: 10 mV
Offset: Max. 1.5 times span
Input resistance
Span 10 – 100 mV : ≥ 10 kΩ
Span 0.1 – 1 V : ≥ 100 kΩ
Span ≥ 1 V : ≥ 1 MΩ
INSTALLATION
OUTPUT SPECIFICATIONS
• Open Collector: 50 V DC @100 mA
Voltage drop: ≤ 2 V
• Relay Contact: 120 V AC @1 A (cos ø = 1)
240 V AC @0.5 A (cos ø = 1)
30 V DC @1 A (resistive load)
Maximum switching voltage: 380 V AC or 125 V DC
Maximum switching power: 100 VA or 30 W
Minimum load: 5 V DC @10 mA
Mechanical life: 5 × 107 cycles
For maximum relay life with inductive loads, external
protection is recommended.
• SSR: 60 – 280 V AC @0.1 – 1 A
Leakage current at OFF: Approx. 10 mA (240 V AC)
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 lbs)
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: 2000 V AC @1 minute (input to output
to power to ground)
Alarm Trip Operation Terminal No. in parentheses
•Output Code : 1, 2, 4
(1–2)ON
Hi Output
(5–6)ON
Lo Output
Input
(%)
▲
Lo Setpoint
0
50
▲
Hi Setpoint
100
•Output Code : 3
(1–2)ON
Hi Output
(5–6)ON
Lo Output
Input
(%)
▲
Lo Setpoint
0
50
▲
Hi Setpoint
100
•Output Code : 5
(1–2)ON
Hi Output
(1–3)ON
(9–10)ON
Lo Output
Input
(%)
(9–11)ON
0
▲
Lo Setpoint
50
▲
Hi Setpoint
100
Trip Operation in Power Failure
•Output Code : 1, 2, 4: both relays turn OFF
•Output Code : 3: both relays turn ON
•Output Code : 5: Terminals 1 – 3, 9 – 11 turn ON
http://www.m-system.co.jp/
KS SPECIFICATIONS
ES-3611 Rev.8 Page 2/5
MODEL: KS
EXTERNAL VIEW
Hi Adj.
Lo Adj.
Hi Setpoint Monitor
Hi LED
Lo Setpoint Monitor
Lo LED
COM.
DIMENSIONS unit: mm (inch)
■OUTPUT CODE: 1, 2, 3, 4
CLAMP
(top & bottom)
20
(.79)
7.8 (.31)
103 (4.06)
123 (4.84)
5
4
3
7
8
1
2
2–4.5 (.18) dia.
MTG HOLE
15 (.59) deep
8–M3.5
SCREW
50 (1.97)
6
80 (3.15)
80 (3.15)
35.4 (1.39)
DIN RAIL
35mm wide
40 (1.57)
[3.3 (.13)]
50 (1.97)
• When mounting, no extra space is needed between units.
http://www.m-system.co.jp/
KS SPECIFICATIONS
ES-3611 Rev.8 Page 3/5
MODEL: KS
■OUTPUT CODE: 5
CLAMP
(top & bottom)
20
(.79)
7.8 (.31)
DIN RAIL
35mm wide
8
7
6
5
2–4.5 (.18) dia.
MTG HOLE
25 (.98) deep
11–M3.5
SCREW
50 (1.97)
80 (3.15)
80 (3.15)
35.4 (1.39)
4
9
3
10 11
1
2
40 (1.57)
103 (4.06)
[3.3 (.13)]
132 (5.20)
50 (1.97)
• When mounting, no extra space is needed between units.
TERMINAL ASSIGNMENTS unit: mm (inch)
• Output Code 1, 2, 3 & 4
6
5
4
3
7
8
1
2
12 (.47)
INPUT RESISTOR
(model: REM)
Input shunt resistor attached
for current input.
• Output Code 5
8
7
6
5
4
9
10 11
12 (.47)
INPUT RESISTOR
(model: REM)
3
1
2
Input shunt resistor attached
for current input.
http://www.m-system.co.jp/
KS SPECIFICATIONS
ES-3611 Rev.8 Page 4/5
MODEL: KS
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM
• Output Code 1, 2, 3 & 4
■Open Collector
■N.O. (make) Relay
1
HI OUTPUT
HI ADJ.
COM. HI
2
LO ADJ.
LO
5
LO OUTPUT
1 +
+
INPUT
R
*
–
3
Low Drift
Amplifier
6
HI OUTPUT
Comparator
2 –
■N.C. (break) Relay
1
4
HI OUTPUT
5 +
2
LO OUTPUT
5
6 –
LO OUTPUT
6
7 U(+)
POWER
■SSR
8 V(–)
1
HI OUTPUT
2
Base Socket
5
LO OUTPUT
*Input shunt resistor attached for current input.
6
• Output Code 5
HI ADJ.
COM. HI
■Relay Protection
•AC Powered
LO ADJ.
LO
Inductive
Load (Coil)
3 N.C.
+
INPUT
R
–
5
*
Low Drift
Amplifier
Comparator
Ry
LOAD
2 N.O.
6
1 COM
4
•DC Powered
Inductive
Load (Coil)
11 N.C.
Ry
10 N.O.
Varistor or Spark
Quenching Circuit
HI OUTPUT
LO OUTPUT
LOAD
Diode, Varistor or
CR Circuit
9 COM
7 U(+)
POWER
8 V(–)
Base Socket
*Input shunt resistor attached for current input.
Specifications are subject to change without notice.
http://www.m-system.co.jp/
KS SPECIFICATIONS
ES-3611 Rev.8 Page 5/5
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