ES-7762 Rev.14
M7EASV
Super-mini Signal Conditioners with
LCD Display M7E-UNIT Series
DC ALARM
(dual or quad alarm trip)
Functions & Features
• Provides relay outputs at preset DC input levels
• Quad or dual trip
• Front LCD display indicating values in scaled engineering unit range is used to program the module
• Adjustable deadband (hysteresis)
• Software lock
• ON delay time selectable
• 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
MODEL: M7EASV-[1][2]-[3][4]
ORDERING INFORMATION
• Code number: M7EASV-[1][2]-[3][4]
Specify a code from below for each of [1] through [4].
(e.g. M7EASV-Z12-M2/CE/Q)
• Specify the specification for option code /Q
(e.g. /C01/S01/SET)
[1] INPUT
Current
Z1
: Range 0 – 50 mA DC (Input resistance 100 Ω)
Voltage
S1
: Range -1000 – +1000 mV DC (Input resistance 1 MΩ min.)
S2
: Range -10 – +10 V DC (Input resistance 1 MΩ min.)
[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
[3] POWER INPUT
AC Power
M2
: 100 – 240 V AC (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.)
[4] OPTIONS (multiple selections)
Standards & Approvals
blank
: Without CE
/CE
: CE marking
Other Options
blank
: none
/Q
: Option other than the above (specify the specification)
SPECIFICATIONS OF OPTION: Q (multiple selections)
COATING (For the detail, refer to our web site.)
/C01
: Silicone coating
/C02
: Polyurethane coating
/C03
: Rubber coating
TERMINAL SCREW MATERIAL
/S01
: Stainless steel
EX-FACTORY SETTING
/SET
: Preset according to the Ordering Information Sheet
(No. ESU-7762)
Default setting will be used if not otherwise specified.
FACTORY DEFAULT SETTING
RELATED PRODUCTS
• PC configurator software (model: M7CFG)
Downloadable at our web site.
A dedicated cable is required to connect the module to the PC. Please refer to the internet software download site or the users manual for the PC configurator for applicable cable types.
GENERAL SPECIFICATIONS
Construction
: Plug-in
Connection
: M3 screw terminals (torque 0.8 N·m)
Screw terminal
: Chromated steel (standard) or stainless steel
Housing material
: Flame-resistant resin (black)
Isolation
: Input to output to power
Programming
: Front buttons or PC software
Programmable parameters
:
• Input range
• Input fine adjustments
• Moving average (None, 4, 8, 16 or 32 samples)
• Scale Range: -9999 to +9999
Unit: User specific unit programmable.
Decimal point position
• Alarm output (L1...L4 independently)
Setpoint (scaled value)
Trip action (Hi or Lo)
Deadband (hysteresis) (scaled value)
Relay coil (energized or de-energized)
• Power ON delay time (0 to 99 sec.)
• Alarm ON delay time (0 to 999 sec.)
• Latching or not
• LCD Contrast
Back Light (On, Off, Off timer)
• Tag name
• Alarm test
Refer to the instruction manual for details.
LCD DISPLAY
Display functions
: Displays and sets measured range, engineering unit, alarm operation
Effective visual area
: Approx. 15.6 × 18.9 mm (0.61” × 0.74”)
Number of pixels
: 68 × 95 (horizontal × vertical)
Character color
: Black
Backlight
: LED (orange in normal status, red when an alarm is tripped.)
Backlight life
: Approx. 50 000 hours
(Expected time for the LCD brightness to be reduced by half when the LCD is used continuously in 50 % brightness in 25°C)
LCD type
: Transreflective FSTN
Display range
: -9999 to +9999
Decimal point position
: Selectable
Display rate
: 150 msec.
INPUT SPECIFICATIONS
■ DC Current
: Shunt resistor attached to the input terminals (0.5 W)
Operational range
: 0 – 70 mA DC with 100 Ω, 0.5 W
Input range
: 0 – 50 mA DC
Minimum span
: 2 mA
Factory default setting
: 4 – 20 mA DC
Offset
: Lower range can be any specific value within the input range provided that the minimum span is maintained.
■ DC VOLTAGE
Code S1 (narrow spans)
Operational range
: -1150 – +1150 mV DC
Input range
: -1000 – +1000 mV DC
Minimum span
: 10 mV
Factory default setting
: 0 – 100 mV DC
Code S2 (wide spans)
Operational range
: -11.5 – +11.5 V DC
Input range
: -10 – +10 V DC
Minimum span
: 0.1 V
Factory default setting
: 1 – 5 V DC
Offset
: Lower range can be any specific value within the input range provided that the minimum span is maintained.
OUTPUT SPECIFICATIONS
■
Quad Alarm
Relay rating
: 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
: 250 V AC or 125 V DC
(Limited to the max. voltage 150 V AC or to the use for Measurement Category I in order to conform with EU Directive)
Maximum switching power
: 120 VA or 30 W
Minimum load
: 5 V DC @ 10 mA
Mechanical life
: 5 × 10
7
cycles
■
DUAL ALARM
Relay rating
: 100 V AC @ 4 A (cos ø = 1)
120 V AC @ 4 A (cos ø = 1)
240 V AC @ 2 A (cos ø = 1)
30 V DC @ 4 A (resistive load)
Maximum switching voltage
: 250 V AC or 125 V DC
(Limited to the max. voltage 150 V AC or to the use for Measurement Category I in order to conform with EU Directive)
Maximum switching power
: 480 VA or 150 W
Minimum load
: 5 V DC @ 10 mA
Mechanical life
: 5 × 10
7
cycles
INSTALLATION
Power Consumption
•
AC
:
Approx. 4 VA at 100 V
Approx. 5 VA at 200 V
Approx. 6 VA at 264 V
•
DC
: Approx. 3 W
Operating temperature
: -5 to +55°C (23 to 131°F)
Operating humidity
: 30 to 90 %RH (non-condensing)
Mounting
: Surface or DIN rail
Weight
: 200 g (0.44 lb)
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)
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 or output to power: Reinforced insulation (300 V)
Input to output: Basic insulation (300 V)
(When 150 V AC max. load voltage or measurement
category I, applicable as reinforced insulation)
RoHS Directive
EXTERNAL VIEW
Refer to the instruction manual for the setting procedure.
EXTERNAL DIMENSIONS unit: mm [inch]
TERMINAL ASSIGNMENTS unit: mm [inch]
Input shunt resistor (model: REM2) attached for current input
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM