ES-7703 Rev.8
M3SXR
Super-space-saving Signal Conditioners
M3S-UNIT Series
RTD TRANSMITTER
(PC programmable)
Functions & Features
• Accepts direct input from an RTD and provides an isolated, linearized DC signal
• Linearization and burnout protection
• PC programmable
• Universal AC/DC power input
• High-density mounting
• Power and status indicator LED
MODEL: M3SXR–[1][2]–[3][4]
ORDERING INFORMATION
• Code number: M3SXR-[1][2]-[3][4]
Specify a code from below for each of [1] through [4].
(e.g. M3SXR-4Z1-R/Q)
• Temperature range (e.g. 0 – 100°C)
• Output range (e.g. 4 – 20 mA DC)
• Specify the specification for option code /Q
(e.g. /C01)
[1] INPUT RTD
1
: JPt 100 (JIS'89)
(Usable range: -200 to +500°C, -328 to +932°F; min.span: 20°C, 36°F)
3
: Pt 100 (JIS'89)
(Usable range: -200 to +650°C, -328 to +1202°F; min.span: 20°C, 36°F)
4
: Pt 100 (JIS'97, IEC)
(Usable range: -200 to +850°C, -328 to +1562°F; min.span: 20°C, 36°F)
5
: Pt 50 Ω (JIS'81)
(Usable range: -200 to +649°C, -328 to +1200°F; min.span: 20°C, 36°F)
7
: Pt 1000
(Usable range: -200 to +850°C, -328 to +1562°F; min.span: 20°C, 36°F)
9
: Cu 10 @25°C
(Usable range: -50 to +250°C, -58 to +482°F; min.span: 20°C, 36°F)
0
: Specify (Please provide a resistance table.)
(Configurator software is used to change the input type and range. Input code 7: Pt 1000 cannot be switched to/from other input types while its temperature range can be changed.)
[2] OUTPUT
Current
Z1
: Range 0 – 20 mA DC
Voltage
V2
: Range -10 – +10 V DC
V3
: Range -5 – +5 V DC
(Configurator software is used to change output over the described range of the selected suffix code.
For changing between suffix codes, set the Output Range Selector on the side of unit before software adjustment.)
[3] POWER INPUT
AC Power
M2
: 100 – 240 V AC (Operational voltage range 90 – 264 V,
47 – 66 Hz)
DC Power
R
: 24 V DC
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)
Universal
AD
: 100 – 240 V AC / 24 – 240 V DC (universal)
(Operational voltage range 90 - 264 V AC, 47 - 66 Hz /
21.6 - 264 V DC, ripple 10 %p-p max.)
[4] OPTIONS
blank
: none
/Q
: With options (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
RELATED PRODUCTS
• PC configurator software (model: M3SCFG)
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
: 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
: -2 – +102 %
(Negative current output is not available.)
Zero adjustment
: -2 to +2 % (PC programming)
Span adjustment
: 98 to 102 % (PC programming)
Burnout
: Upscale standard; downscale or no burnout optional by programming
Linearization
: Standard
Power indicator LED
: Green LED turns on when the power is supplied.
Status indicator LED
: Orange LED; Blinking patterns indicate different operating status of the transmitter.
Programming
: Downloaded from PC
Programmable features include:
· Input type, number of wires and range
· Output type and range
· Zero and span adjustments
· Burnout action
· User’s RTD table setting
(max. 300 points, input resistance specified within 0 – 500 Ω, or 0 – 5 kΩ for Pt 1000)
Refer to the instruction manual for details.
Configurator connection
: 2.5 dia. miniature jack;
RS-232-C level
INPUT SPECIFICATIONS
■
RTD
Number of wires
: 2, 3 or 4 wires
Maximum leadwire resistance
: 10 Ω per wire
Sensing current
: ≤ 1.5 mA (≤ 0.1 5mA for Pt 1000)
Note: Factory setting is 0 - 100°C if not otherwise specified
OUTPUT SPECIFICATIONS
■ DC Current
Output range
: 0 – 20 mA DC
Conformance range
: 0 – 20.4 mA DC
Minimum span
: 1 mA
Offset
: Lower range can be any specific value within the output range provided that the minimum span is maintained.
Load resistance
: Output drive 11 V max.
(e.g. 4 – 20 mA: 550 Ω [11 V ÷ 20 mA])
If not specified, the output range is 4 – 20 mA DC.
■
DC Voltage
Code V2 (wide spans)
Output range
: -10 – +10 V DC
Conformance range
: -10.4 – +10.4 V DC
Minimum span
: 1 V
Code V3 (narrow spans)
Output range
: -5 – +5 V DC
Conformance range
: -5.2 – +5.2 V DC
Minimum span
: 0.5 V
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 max.
(e.g. 1 – 5 V: 5000 Ω [5 V ÷ 1 mA])
If not specified, the output range is shown below.
V2: 0 – 10 V DC
V3: 1 – 5 V DC
INSTALLATION
Power consumption
•
AC
:
Approx. 2 VA at 100 V
Approx. 3 VA at 200 V
Approx. 4 VA at 264 V
•
DC
:
R: Approx. 0.5 W
AD: Approx. 1 W
Operating temperature
: -10 to +55°C (14 to 131°F)
Operating humidity
: 30 to 90 %RH (non-condensing)
Mounting
: DIN rail
Weight
: 85 g (3.0 oz)
PERFORMANCE in percentage of span
Overall accuracy
: Input accuracy + output accuracy
Inversely proportional to the span.
See CALCULATION EXAMPLES OF OVERALL ACURACY.
• Input accuracy
: (whichever is greater)
±0.1 % of FS or ±0.15°C (Pt and JPt)
±0.1 % of FS or ±1°C (Cu 10)
• Output accuracy
: ±0.04 % of max. output range
Temp. coefficient
: ±0.015 %/°C (±0.008 %/°F) of max. span
Response time
: ≤ 1 sec. (0 – 90 %)
Burnout response
: ≤ 10 sec.
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)
CALCULATION EXAMPLES OF OVERALL ACCURACY
[Example] Pt 100, 0 – 100°C, Output Type -5 – +5 V, Output Range 1 – 5 V
Input Accuracy*
1
(0.15°C*
2
) ÷ Span (100°C) × 100 % +
Max. Output Range (10 V) ÷ Span (4 V) × 0.04 % = 0.25 %
*1. Calculate the accuracy in °C.
*2. 100°C × 0.1 % = 0.1°C ≤ 0.15°C. 0.15°C is used as input accuracy value.
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
EXTERNAL VIEW
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM