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MODEL: ASW
Plug-in Signal Conditioners M-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
FW: -10 – +10 mA DC (Input resistance 100 Ω)
Z: Specify current (See INPUT SPECIFICATIONS)
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)
OUTPUT
Relay; SPDT or transfer contact
50
(1.97)
[2] POWER INPUT
80
(3.15)
SET
HI
LO
HI
SET MONITOR
0–100%
(0–10VDC)
LO
COM
132
(5.20)
mm (inch)
MODEL: ASW–[1]-[2][3]
ORDERING INFORMATION
• Code number: ASW-[1]-[2][3]
Specify a code from below for each [1] through [3].
(e.g. ASW-6-H/Q)
•Special input range (For codes Z & 0)
• Specify the specification for option code /Q
(e.g. /C01/S01)
[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)
http://www.m-system.co.jp/
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
V: 48 V DC
P: 110 V DC
[3] OPTIONS
/Q: With options (specify the specification)
SPECIFICATIONS OF OPTION: Q (multiple selections)
COATING (For the detail, refer to M-System's web site.)
/C01: Silicone coating
/C02: Polyurethane coating
/C03: Rubber coating
TERMINAL SCREW MATERIAL
/S01: Stainless steel
GENERAL SPECIFICATIONS
Construction: Plug-in
Connection: M3.5 screw terminals
Screw terminal: Chromated steel (standard) or stainless
steel
Housing material: Flame-resistant resin (black)
ASW SPECIFICATIONS
ES-1611-B Rev.5 Page 1/4
MODEL: ASW
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 when the coils are energized.
Power ON timer: Relays de-energized for approx. 2 seconds
after 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.
■ 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
for 110 V rating (ripple 10 % p-p max.)
Approx. 2 W (80 mA at 24 V)
Operating temperature: -5 to +60°C (23 to 140°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: ±0.015 %/°C (±0.008 %/°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)
OUTPUT SPECIFICATIONS
■ Relay Contact: 100 V AC @1 A (cos ø = 1)
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: 120 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.
Alarm Trip Operation Terminal No. in parentheses
(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
: Terminals 1 – 3, 9 – 11 turn ON.
INSTALLATION
Power input
•AC: Operational voltage range: rating ±10 %,
50/60 ±2 Hz, approx. 2 VA
•DC: Operational voltage range: rating ±10 %, or 85 – 150 V
http://www.m-system.co.jp/
ASW SPECIFICATIONS
ES-1611-B Rev.5 Page 2/4
MODEL: ASW
EXTERNAL VIEW
Hi Adj.
Lo Adj.
Hi Setpoint Monitor
Hi LED
Lo Setpoint Monitor
Lo LED
COM.
DIMENSIONS unit: mm (inch)
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)
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/
ASW SPECIFICATIONS
ES-1611-B Rev.5 Page 3/4
MODEL: ASW
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM
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
HI OUTPUT
1 COM
4
•DC Powered
Inductive
Load (Coil)
11 N.C.
Ry
10 N.O.
Varistor or Spark
Quenching Circuit
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/
ASW SPECIFICATIONS
ES-1611-B Rev.5 Page 4/4

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