ES-2660 Rev.17
M3LV
Space-saving Signal Conditioners M3-UNIT Series
SIGNAL TRANSMITTER
(field- and PC-configurable)
Functions & Features
• Accepts a DC mV, V or mA input and provides
an isolated DC signal
• Easy ‘One-Step Cal’ calibration using the front three control buttons without needing a PC; PC software is also usable
• Both input and output type and range are configurable
• Front control button function can be locked
Typical Applications
• Signal conversion between control room and field instrumentation with isolation
• Ideal for use as a fast solution, multifunctional spare part
MODEL: M3LV–R4/[1][2]
ORDERING INFORMATION
• Code number: M3LV-R4/[1][2]
Specify a code from below for each of [1] and [2].
(e.g. M3LV-R4/A/UL/Q)
• Specify the specification for option code /Q
(e.g. /C01)
Orders will be shipped with default factory settings (4 – 20 mA input / 4 – 20 mA output).
INPUT – Field-selectable
DC Current & Voltage
Current
: 0 – 20 mA DC
Millivolt
: -1000 – +1000 mV DC
Voltage
: -10 – +10 V DC
OUTPUT – Field-selectable
Current
0 – 20 mA DC
Voltage
-2.5 – +2.5 V DC
-10 – +10 V DC
POWER INPUT
DC Power
R4:
10 – 32 V DC
(Operational voltage range 9 - 36 V, ripple 10 %p-p max.)
[1] CONFIGURATION OPTIONS
A
: PC and field configurable
B
: Field configurable
[2] 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)
SPECIFICATIONS OF OPTION: Q
COATING (For the detail, refer to our web site.)
/C01
: Silicone coating
/C02
: Polyurethane coating
/C03
: Rubber coating (UL not available)
RELATED PRODUCTS
• PC Configurator cable (model: MCN-CON or COP-US)
• PC configurator software (model: M3CFG)
Downloadable at our web site.
GENERAL SPECIFICATIONS
Construction
: Small-sized front terminal structure
Connection
: Euro type connector terminal
(applicable wire size: 0.2 to 2.5 mm
2
, stripped length 8 mm)
Housing material
: Flame-resistant resin (gray)
Isolation
: Input to output to power
Overrange output
: -15 to +115 %
Zero adjustment
: -15 to +15 % (front)
Span adjustment
: 85 to 115 % (front)
Status indicator LED
: Tri-color (green/amber/red) LED; Blinking patterns indicate operation status of the transmitter.
Configuration
PC Configurator
: (Model: M3LVCFG) via Windows PC connected to th front jack.
Programmable features include
:
• I/O type and range
• Zero and span adjustments
• User’s linearization table setting
(max. 101 points, specified within -15 to +115 % for both input and output)
(Refer to the instruction manual)
‘One-Step Cal’ calibration
: With I/O type and the full-scale range configured via the internal DIP switches, precise 0 % and 100 % ranges are calibrated via the front control buttons with a help of LED. Also I/O calibration and fine adjustment are available with a PC.
Configurator connection
: 2.5 dia. miniature jack;
RS-232-C level
INPUT SPECIFICATIONS
■
DC Current
: 49.9 Ω resistor incorporated
Maximum range
: 0 – 20 mA DC
Minimum span
: 2 mA
Offset
: Lower range can be any specific value within the input range provided that the minimum span is maintained.
■
DC mV & Voltage
•
Narrow Spans (mV)
Maximum range
: -1000 – +1000 mV DC
Minimum span
: 100 mV
•
Wide Spans (V)
Maximum range
: -10 – +10 V DC
Minimum span
: 1 V
Offset
: Lower range can be any specific value within the input range provided that the minimum span is maintained.
Input resistance
: 1 MΩ minimum
OUTPUT SPECIFICATIONS
■ DC Current
Maximum range
: 0 – 20 mA DC
Minimum span
: 1 mA
Conformance range
: 0 – 24 mA DC
(Negative overrange current below 0 mA is not available.)
Offset
: Lower range can be any specific value within the output range provided that the minimum span is maintained.
Load resistance
: Output drive 12 V maximum
■
DC Voltage
Narrow Spans
Maximum range
: -2.5 – +2.5 V DC
Minimum span
: 250 mV
Conformance range
: -3 – +3 V DC
Wide Spans
Maximum range
: -10 – +10 V DC
Minimum span
: 1 V
Conformance range
: -11.5 – +11.5 V DC
Offset
: Lower range can be any specific value within the output range provided that the minimum span is maintained.
Load resistance
: Output drive 1 mA maximum
INSTALLATION
Power consumption
•
DC
: Approx. 3 W
Operating temperature
: -25 to +65°C (-13 to +149°F)
Max. 55°C (131°F) for UL approval
Operating humidity
: 0 to 95 %RH (non-condensing)
Mounting
: DIN rail
Weight
: 100 g (0.22 lb)
PERFORMANCE
Accuracy
: Input accuracy + output accuracy
Input accuracy
: (% of input range)
(Inversely proportional to the span.)
-1000 – +1000 mV: ±0.01 (%)
-10 – +10 V: ±0.01
0 – 20 mA: ±0.02
Output accuracy
: ±0.04 % of output range
(Inversely proportional to the span.)
Temp. coefficient
: ±0.015 %/°C (±0.008 %/°F) of max. span
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
: 1500 V AC @ 1 minute
(input to output or power to ground)
500 V AC @ 1 minute (output to power)
CALCULATION EXAMPLES OF OVERALL ACCURACY
[Example] Input Signal 1 – 5 V, Output Signal 1 – 5 V
Max. Input Range (20 V) ÷ Span (4 V) × 0.01 % +
Max. Output Range (20 V) ÷ Span (4 V) × 0.04 % = 0.25 %
STANDARDS & APPROVALS
EU conformity
:
EMC Directive
EMI EN 61000-6-4
EMS EN 61000-6-2
RoHS Directive
Approval
:
UL/C-UL general safety requirements
(UL 61010-1, CAN/CSA-C22.2 No.1010-1)
EXTERNAL VIEW
The DIP switch setting is required to select output types before setting a precise output range using the PC configurator software.
For detailed information on the configuration and calibration, refer to the instruction manual.
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM