L4AS-1A2-L [MSYSTEM]
Plug-in Signal Conditioners M-UNIT;型号: | L4AS-1A2-L |
厂家: | M-SYSTEM |
描述: | Plug-in Signal Conditioners M-UNIT |
文件: | 总4页 (文件大小:139K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
MODEL: L4AS
Plug-in Signal Conditioners M-UNIT
[4] POWER INPUT
AC Power
K: 85 – 132 V AC
QUAD DC ALARM
Functions & Features
(Operational voltage range 85 – 132 V, 47 – 66 Hz)
L: 170 – 264 V AC
• Providing relay contact closures at preset DC input levels
• 4 setpoints: Hi/Hi, Hi, Lo, Lo/Lo
• Single turn screwdriver or dial setpoint adjustments
• Enclosed relays
(Operational voltage range 170 – 264 V, 47 – 66 Hz)
DC Power
R: 24 V DC
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)
P: 110 V DC
• Relays can be powered 110 V DC
• Isolation up to 2000 V AC
(Operational voltage range 85 – 150 V, ripple 10 %p-p max.)
• High-density mounting
Typical Applications
• Annunciator
GENERAL SPECIFICATIONS
Construction: Stand-alone; terminal access at the front
Connection: M3.5 screw terminals (torque 0.8 N·m)
Housing material: Flame-resistant resin (black)
Isolation: Input to output to power
• Various alarm applications
75
(2.95)
Setpoint adjustments: Single-turn screwdriver adjustments
or dials (front); -15 – +115 % independently
Hysteresis (deadband): Approx. 1 %
75
(2.95)
Front LEDs: Red LED turns on when the coil is energized.
1
2
50
3
50
50
4
50
0
100
0
%
100
0
%
100
%
0
100
INPUT SPECIFICATIONS
■ DC Current: Input resistor incorporated
%
112
(4.41)
mm (inch)
OUTPUT SPECIFICATIONS
■ Relay Contact: 100 V AC @ 1 A (cos ø = 1)
120 V AC @ 1 A (cos ø = 1)
MODEL: L4AS–[1][2][3]–[4]
240 V AC @ 0.5 A (cos ø = 1)
30 V DC @ 1 A (resistive load)
ORDERING INFORMATION
• Code number: L4AS-[1][2][3]-[4]
Specify a code from below for each of [1] through [4].
(e.g. L4AS-1A1-R)
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 x 10 cycles
7
For maximum relay life with inductive loads, external
protection is recommended.
[1] SETPOINT ADJUSTMENTS
1: Single-turn screws
2: Dials
[2] INPUT
Current
A: 4 – 20 mA DC (Input resistance 250 Ω)
Voltage
6: 1 – 5 V DC (Input resistance 1 MΩ min.)
[3] OUTPUT
1: 4 points; coil energized with input > setpoint
2: 2 points; coil energized with input < setpoint 2 points;
coil energized with input > setpoint
L4AS SPECIFICATIONS
ES-1991 Rev.5 Page 1/4
http://www.m-system.co.jp/
MODEL: L4AS
Dielectric strength: 2000 V AC @1 minute (input to output
to power to ground)
Alarm Trip Operation Terminal No. in parentheses
• Output Code : 1
Trip Operation in Power Failure:
Terminals 3 – 5, 6 – 8, 11 – 13 and 14 – 16 turn ON.
(3–4)ON
Output 1
(3–5)ON
(6–7)ON
Output 2
(6–8)ON
(11–12)ON
Output 3
(11–13)ON
(14–15)ON
Output 4
(14–16)ON
Input
(%)
0
50
100
No.1 No.2
No.3 No.4
• Output Code : 2
Trip Operation in Power Failure:
Terminals 3 – 5, 6 – 8, 11 – 13 and 14 – 16 turn ON.
(3–4)ON
Output 1
(3–5)ON
(6–7)ON
Output 2
Output 3
Output 4
(6–8)ON
(11–12)ON
(11–13)ON
(14–15)ON
(14–16)ON
Input
(%)
0
50
100
No.1 No.2
(LL) (L)
No.3 No.4
(H) (HH)
INSTALLATION
Power consumption
•AC: Approx. 4.5 VA
•DC: 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: 350 g (0.77 lb)
PERFORMANCE in percentage of span
Setpoint accuracy: ±0.3 %
Temp. coefficient: ±0.05 %/°C (±0.03 %/°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
L4AS SPECIFICATIONS
ES-1991 Rev.5 Page 2/4
http://www.m-system.co.jp/
MODEL: L4AS
MOUNTING REQUIREMENTS
■
■
M5 SCREWS
M4 SCREWS
60 (2.36)
60 (2.36)
60 (2.36)
60 (2.36)
2–M5
2–M4
75 (2.95) MIN.
75 (2.95) MIN.
EXTERNAL VIEW
■ SCREWDRIVER ADJUSTMENTS
■ DIAL ADJUSTMENTS
Monitor LED
Setpoint Adj.
Monitor LED
Setpoint Adj.
1
2
3
4
1
2
3
4
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch)
2–5.8 (.23) dia. or
2–4.8 (.18) dia.
MTG HOLE
16–M3.5
SCREW
8 (.31)
8 (.31) deep
DIN RAIL
35mm wide
TERMINAL
COVER
1
9
2
3
4
5
6
7 8
10 11 12 13 14 15 16
14*
112 (4.41)
[3.3 (.13)]
75 (2.95)
(.55)
*Dial adj.
• When mounting, no extra space is needed between units.
L4AS SPECIFICATIONS
ES-1991 Rev.5 Page 3/4
http://www.m-system.co.jp/
MODEL: L4AS
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM
No.1 SET
4
Low Drift
Amplifier
*
+
–
Ry
Ry
Ry
Ry
1
2
Comparator
5
3
ALARM OUTPUT 1
ALARM OUTPUT 2
ALARM OUTPUT 3
ALARM OUTPUT 4
INPUT
No.2 SET
Comparator
7
8
6
No.3 SET
Comparator
12
13
11
15
16
14
9
No.4 SET
Comparator
U(+)
POWER
V(–)
10
*Input shunt resistor incorporated for current input.
■
Relay Protection
•AC Powered
•DC Powered
Inductive
Load (Coil)
Inductive
Load (Coil)
Varistor or Spark
Quenching Circuit
Diode, Varistor or
CR Circuit
LOAD
LOAD
U
Specifications are subject to change without notice.
L4AS SPECIFICATIONS
ES-1991 Rev.5 Page 4/4
http://www.m-system.co.jp/
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