as4v - M
MODEL: AS4V
Plug-in Signal Conditioners M-UNIT
DC ALARM
(dual or quad alarm trip; field-configurable)
Functions & Features
• Provides relay outputs at preset DC input levels
• Quad or dual trip
• Setting and display in engineering unit values
• Setpoint adjustments with the front keypad
• Software lock
• Adjustable hysteresis (deadband)
• On-delay timer
• Hi/Lo trip and energized/de-energized coil independently
selectable for each setpoint
• Enclosed relays
• Relays can be powered by 200 V AC and 100 V DC
• High-density mounting on DIN rail
Typical Applications
• Annunciator
• Various alarm applications
50
(1.97)
[2] OUTPUT
2: 4 points; N.O. or make contact
3: 4 points; N.C. or break contact
5: 2 points; SPDT or transfer contact
2A: 4 points; N.O. or make contact (small load current)
(CE not available. Option /UL Not selectable.)
3A: 4 points; N.C. or break contact (small load current)
(CE not available. Option /UL Not selectable.)
5A: 2 points; SPDT or transfer contact (small load current)
(CE not available. Option /UL Not selectable.)
[3] POWER INPUT
AC Power
M2: 100 – 240 V AC, 50 – 60 Hz
(Operational voltage range 85 – 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
(Operational voltage range 85 – 150 V, ripple 10 %p-p max.)
[4] OPTIONS (multiple selections)
Standards & Approvals
blank: CE marking
/UL: UL approval, CE marking
Other Options
blank: none
/Q: Option other than the above (specify the specification)
80
(3.15)
132
(5.20)
mm (inch)
SPECIFICATIONS OF OPTION: Q (multiple selections)
• Code number: AS4V-[1][2]-[3][4]
Specify a code from below for each [1] through [4].
(e.g. AS4V-S22-R/Q)
• Specify the specification for option code /Q
(e.g. /C01/S01/SET)
COATING (For the detail, refer to M-System's web site.)
/C01: Silicone coating
/C02: Polyurethane coating
/C03: Rubber coating (UL not available)
TERMINAL SCREW MATERIAL
/S01: Stainless steel (UL not available)
EX-FACTORY SETTING
/SET: Preset according to the Ordering Information Sheet
(No. ESU-1609)
[1] INPUT
GENERAL SPECIFICATIONS
Current
Z1: Range 0 – 50 mA DC (Input resistance 100 Ω)
Voltage
S1: Range -1 – +1 V DC (Input resistance 1 MΩ min.)
S2: Range -10 – +10 V DC (Input resistance 1 MΩ min.)
Construction: Plug-in
Connection: M3.5 screw terminals
Screw terminal: Chromated steel (standard) or stainless
steel
Housing material: Flame-resistant resin (black)
Isolation: Input to output to power
Sampling cycle: 100 msec.
User-configurable items: Front key pad
MODEL: AS4V–[1][2]–[3][4]
ORDERING INFORMATION
http://www.m-system.co.jp/
AS4V SPECIFICATIONS
ES-1609 Rev.18 Page 1/5
MODEL: AS4V
• Alarm setpoint
• Display range scaling
• Power ON-delay time
• Alarm ON-delay time
• Moving average
• Hi/Lo trip operation
• Coil at alarm
• Hysteresis (deadband)
• 0 %, 100 % input setting
• Latching control
• Others
(Refer to the instruction manual)
■ DISPLAY
LED: 8 mm (.31”) 7 segment, red
Number of display digits: 4 digits for DATA display; 2 digits
for ITEM display
Range: -1999 to 9999
(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 lights turn on when coils are energized.
(L1 and L2 for 2-point alarm. L1, L2, L3 and L4 for 4-point
alarm.)
Relay rating:
120 V AC @ 5 A (cos ø = 1)
240 V AC @ 2.5 A (cos ø = 1)
30 V DC @ 5 A (resistive load)
Maximum switching voltage(Note): 380 V AC or 125 V DC
Maximum switching power(Note): 600 VA or 150 W
Minimum load: 5 V DC @ 10 mA
Mechanical life: 5 × 107 cycles
■ Small load current type
Relay rating: 30 V DC @ 1 A (resistive load)
Maximum switching voltage(Note): 220 V DC
Maximum switching power(Note): 30 W (resistive load)
Minimum load: 1 V DC @ 1 mA
Mechanical life: 5 × 107 cycles
(Note): The value indicate capacity of output relay in
equipment.
Use within relay rating for EU and UL.
Alarm Trip Operation
Terminal No. in parentheses
Example with quad N.O. contacts (LL, L, H, HH)
L1 (9–10)
ON OFF
ON OFF
L2 (1–2)
OFF ON
L3 (1–3)
OFF ON
L4 (9–11)
INPUT SPECIFICATIONS
■ DC Current: 0 – 50 mA DC; shunt resistor attached to
input terminals (0.5 W)
Operational range: 0 – 70 mA DC (with 100 Ω / 0.5 W)
Minimum increment: 0.1 mA
Default setting: 4 – 20 mA DC
■ DC Voltage: -1 – +1 V DC for S1;
-10 – +10 V DC for S2
Operational range: -1.15 – +1.15 V DC for S1;
-11.5 – +11.5 V DC for S2
Minimum increment: 10 mV for S1; 100 mV for S2
Default setting: -1 – +1 V DC for S1;
-10 – +10 V DC for S2
Input
(%) 0
s
LL
s
L
50
s
H
s
HH
100
Trip Operation in Power Failure
• Output code 2, 2A: All relays turn off.
• Output code 3, 3A: All relays turn on.
• Output code 5, 5A: Terminals 1 – 3, 9 – 11 turn on.
INSTALLATION
•AC: 6 VA max.
•DC: 3.5 W max.
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)
OUTPUT SPECIFICATIONS
■ Quad Alarm
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)
Maximum switching voltage(Note): 380 V AC or 125 V DC
Maximum switching power(Note): 120 VA or 30 W
Minimum load: 5 V DC @ 10 mA
Mechanical life: 5 × 107 cycles
■ Dual Alarm
http://www.m-system.co.jp/
PERFORMANCE in percentage of FS input
Setpoint accuracy (trip point accuracy): ±(0.1 % of FS + 1
digit)
Display accuracy: ±(0.1 % of FS + 1 digit)
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)
AS4V SPECIFICATIONS
ES-1609 Rev.18 Page 2/5
MODEL: AS4V
STANDARDS & APPROVALS
EU conformity:
EMC Directive
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
EN 50581
Approval:
UL/C-UL general safety requirements
(UL 61010-1, CAN/CSA-C22.2 No.61010-1)
EXTERNAL VIEW
DATA
DATA Display
ITEM
ITEM No. Display
ALARM
L4
*Monitor LEDs
ITEM
DATA
L3
L2
L1
DATA UP-DOWN Keys
ITEM No. UP-DOWN Keys
*L3 or L4 does not turn on for dual output type.
Refer to the instruction manual for detailed procedures.
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)
9
3
10 11
1
2
40 (1.57)
103 (4.06)
132 (5.20)
80 (3.15)
80 (3.15)
4
[3.3 (.13)]
50 (1.97)
• When mounting, no extra space is needed between units.
http://www.m-system.co.jp/
AS4V SPECIFICATIONS
ES-1609 Rev.18 Page 3/5
MODEL: AS4V
TERMINAL ASSIGNMENTS unit: mm (inch)
8
7
6
5
4
9
12 (.47)
INPUT RESISTOR
(model: REM)
3
10 11
1
2
Input shunt resistor attached
for current input.
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM
n OUTPUT CODE: 2, 2A
n OUTPUT CODE: 3, 3A
• N.O. Relay Output
• N.C. Relay Output
L1 L2 L3 L4
+
INPUT
R
*
–
5
Low Drift
Amplifier
6
4
Ry
Ry
DATA
Digital
Computation
Circuit
Ry
ITEM
Ry
11 L4 OUTPUT
11 L4 OUTPUT
10 L1 OUTPUT
10 L1 OUTPUT
9 COM
9 COM
3 L3 OUTPUT
3 L3 OUTPUT
2 L2 OUTPUT
2 L2 OUTPUT
1 COM
1 COM
7 U(+)
POWER
8 V(–)
Base Socket
*Input shunt resistor attached for current input.
n OUTPUT CODE: 5, 5A
• SPDT Relay Output
■
L1
Relay Protection
• AC Powered
L2
Inductive
Load (Coil)
11 N.C.
+
INPUT
R
–
*
5
Low Drift
Amplifier
6
4
DATA
Ry
Digital
Computation
Circuit
10 N.O.
L1 OUTPUT
9 COM
LOAD
Varistor or Spark
Quenching Circuit
U
• DC Powered
Ry
3 N.C.
2 N.O.
ITEM
Inductive
Load (Coil)
L2 OUTPUT
LOAD
Diode, Varistor or
CR Circuit
1 COM
7 U(+)
POWER
8 V(–)
Base Socket
*Input shunt resistor attached for current input.
http://www.m-system.co.jp/
AS4V SPECIFICATIONS
ES-1609 Rev.18 Page 4/5
MODEL: AS4V
Specifications are subject to change without notice.
http://www.m-system.co.jp/
AS4V SPECIFICATIONS
ES-1609 Rev.18 Page 5/5
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