MODEL: AS4R
R: 24 V DC
Plug-in Signal Conditioners M-UNIT
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)
P: 110 V DC
RTD ALARM
(Operational voltage range 85 – 150 V, ripple 10 %p-p max.)
(dual or quad alarm trip; field-configurable)
Functions & Features
[3] OPTIONS (multiple selections)
Standards & Approvals
• Provides relay outputs at preset temperature levels
• Quad or dual trip
blank: CE marking
• Setting and display in engineering unit values
• Setpoint adjustments with the front keypad
• Software lock
/UL: UL approval, CE marking
Temperature Range
blank: -5 to +55°C
• Adjustable hysteresis (deadband)
• On-delay timer
/T: Wide operating temperature range -25 to +55°C
(Option /T is Not selectable with UL approval.)
Other Options
• Hi/Lo trip and energized/de-energized coil independently
selectable for each setpoint
blank: none
• Enclosed relays
/Q: Option other than the above (specify the specification)
• Relays can be powered by 200 V AC and 100 V DC
• High-density mounting on DIN rail
SPECIFICATIONS OF OPTION: Q (multiple selections)
COATING (For the detail, refer to M-System's web site.)
/C01: Silicone coating
Typical Applications
• Annunciator
• Various alarm applications
/C02: Polyurethane coating
50
(1.97)
/C03: Rubber coating (UL not available)
TERMINAL SCREW MATERIAL
/S01: Stainless steel (UL not available)
EX-FACTORY SETTING
80
(3.15)
/SET: Preset according to the Ordering Information Sheet
(No. ESU-1606)
132
(5.20)
GENERAL SPECIFICATIONS
Construction: Plug-in
mm (inch)
Connection: M3.5 screw terminals
Screw terminal: Chromated steel (standard) or stainless
steel
MODEL: AS4R–[1]–[2][3]
Housing material: Flame-resistant resin (black)
Isolation: Input to output to power
Burnout: Upscale standard; downscale optional by
programming
ORDERING INFORMATION
• Code number: AS4R-[1]-[2][3]
Specify a code from below for each of [1] through [3].
(e.g. AS4R-2-R/UL/Q)
Sampling cycle: 100 msec.
User-configurable items: Front key pad
• Alarm setpoint
• Specify the specification for option code /Q
(e.g. /C01/SET)
• Power ON-delay time
[1] OUTPUT
• Alarm ON-delay time
2: 4 points; N.O. or make contact
3: 4 points; N.C. or break contact
5: 2 points; SPDT or transfer contact
• Moving average
• Hi/Lo trip operation
• Coil at alarm
• Hysteresis (deadband)
• Temperature limit
[2] POWER INPUT
AC Power
• Temperature unit
• RTD type
M2: 100 – 240 V AC, 50 – 60 Hz
(Operational voltage range 85 – 264 V, 47 – 66 Hz)
DC Power
• Others
(Refer to the instruction manual)
AS4R SPECIFICATIONS
ES-1606 Rev.18 Page 1/4
https://www.m-system.co.jp/