ES-5048 Rev.14
M2LMS
Super-mini Signal Conditioners Mini-M Series
LIMITER
Functions & Features
• Prevents DC output signals from going above or below preset values
• High and low limits independently adjustable from -10.0 % to +105 %
• Easy high/low limit setting with the front digital display
Typical Applications
• Protecting the receiving instrument which could malfunction with an overscale input
• Securing the minimum fuel flow in a combustion control loop
MODEL: M2LMS–[1][2]–[3][4]
ORDERING INFORMATION
• Code number: M2LMS-[1][2]-[3][4]
Specify a code from below for each of [1] through [4].
(e.g. M2LMS-6A-M2/CE/Q)
• Special input and output ranges (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)
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)
[2] OUTPUT
Current
A
: 4 – 20 mA DC (Load resistance 750 Ω max.)
B
: 2 – 10 mA DC (Load resistance 1500 Ω max.)
C
: 1 – 5 mA DC (Load resistance 3000 Ω max.)
D
: 0 – 20 mA DC (Load resistance 750 Ω max.)
E
: 0 – 16 mA DC (Load resistance 900 Ω max.)
F
: 0 – 10 mA DC (Load resistance 1500 Ω max.)
G
: 0 – 1 mA DC (Load resistance 15 kΩ max.)
Z
: Specify current (See OUTPUT SPECIFICATIONS)
Voltage
1
: 0 – 10 mV DC (Load resistance 10 kΩ min.)
2
: 0 – 100 mV DC (Load resistance 100 kΩ min.)
3
: 0 – 1 V DC (Load resistance 1000 Ω min.)
4
: 0 – 10 V DC (Load resistance 10 kΩ min.)
5
: 0 – 5 V DC (Load resistance 5000 Ω min.)
6
: 1 – 5 V DC (Load resistance 5000 Ω min.)
4W
: -10 – +10 V DC (Load resistance 10 kΩ min.)
5W
: -5 – +5 V DC (Load resistance 5000 Ω min.)
0
: Specify voltage (See OUTPUT SPECIFICATIONS)
[3] POWER INPUT
AC Power
M2
: 100 – 240 V AC (Operational voltage range 85 – 264 V,
47 – 66 Hz)
(90 – 264 V for UL)
DC Power
R
: 24 V DC
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)
R2
: 11 – 27 V DC
(Operational voltage range 11 – 27 V, ripple 10 %p-p max.)
(Select ‘/N’ for ‘Standards & Approvals’ code.)
P
: 110 V DC
(Operational voltage range 85 – 150 V, ripple 10 %p-p max.)
(110 V ±10 % for UL)
[4] OPTIONS (multiple selections)
Standards & Approvals (must be specified)
/N
: Without CE, UKCA or UL
/CE
: CE marking
/UK
: CE, UKCA marking
/UL
: UL approval, 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 (UL not available)
/C04
: Polyolefin coating (UL not available)
TERMINAL SCREW MATERIAL
/S01
: Stainless steel (UL not available)
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
Overrange output
: Approx. -10 to +105 % at 1 – 5 V
Zero adjustment
: -5 to +5 % (front)
Span adjustment
: 95 to 105 % (front)
Limit adjustments
: High and low independently adjustable
from -10.0 – +105 %; 0.1 % increments (1 % increments over 100 %)
High/low selector
: Double-throw SW (front)
UP/DOWN control
: Double-throw, momentary SW (front)
■
INDICATORS
High/low digital display
: Red LED; 6.4 mm (.25”) 7 segment, 3 digits
Polarity indicator
: Dual color (red/green) LED; Red with a positive set value; Green with a negative set value.
Power saving mode
: Indicators turn off if the switches are untouched for 1 minute.
INPUT SPECIFICATIONS
■
DC Current
:
Shunt resistor attached to the input terminals (0.5 W)
Specify input resistance value for code Z.
■
DC Voltage
: -30 – +30 V DC
Minimum span
: 3 mV
Offset
: Max. 1.5 times span
Input resistance
Span 3 – 10 mV : ≥ 10 kΩ
Span 10 – 100 mV : ≥ 10 kΩ
Span 0.1 – 1 V : ≥ 100 kΩ
Span ≥ 1 V : ≥ 1 MΩ
OUTPUT SPECIFICATIONS
■ DC Current
: 0 – 20 mA DC
Minimum span
: 1 mA
Offset
: Max. 1.5 times span
Load resistance
: Output drive 15 V max.
■
DC Voltage
: -10 – +12 V DC
Minimum span
: 5 mV
Offset
: Max. 1.5 times span
Load resistance
: Output drive 1 mA max.; at ≥ 0.5 V
INSTALLATION
Power Consumption
•
AC
:
Approx. 3 VA at 100 V
Approx. 4 VA at 200 V
Approx. 5 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
: 150 g (0.33 lb)
PERFORMANCE in percentage of span
Accuracy
: ±0.2 %
Setting accuracy
: ±0.2 %
Temp. coefficient
: ±0.015 %/°C (±0.008 %/°F)
Response time
: ≤ 0.5 sec. (0 – 90 %)
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
Installation Category II
Pollution Degree 2
Input or output to power: Reinforced insulation (300 V)
Input to output: Basic insulation (300 V)
RoHS Directive
UK conformity (UKCA):
The UK legislations and designated standards are equivalent to the applicable EU directives.
(Refer to our website for more information about the legislations and designated standards.)
Approval
:
UL/C-UL nonincendive Class I, Division 2,
Groups A, B, C, and D
(ANSI/ISA-12.12.01, CAN/CSA-C22.2 No.213)
UL/C-UL general safety requirements
(UL 61010-1, CAN/CSA-C22.2 No.61010-1)
FRONT VIEW
•
How to Set High Limit
Turn the High/Low Limit Selector (C) to the top.
The High/Low Limit Display (B) shows the current high limit
(-10.0 – +105 %). Press UP/DOWN Control (D) until the display shows a desired set value.
The Polarity Indicator LED (A) is red when the set value is in positive range, green when in negative range.
The high limit is factory set to 100 %.
•
How to Set Low Limit
Turn the High/Low Limit Selector (C) to the bottom.
The High/Low Limit Display (B) shows the current low limit
(-10.0 – +105 %). Press UP/DOWN Control (D) until the display shows a desired set value.
The Polarity Indicator LED (A) is red when the set value is in positive range, green when in negative range.
The low limit is factory set to 0 %.
EXTERNAL DIMENSIONS unit: mm [inch]
TERMINAL ASSIGNMENTS unit: mm [inch]
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM