ES-7712 Rev.8
M3SRS
Super-space-saving Signal Conditioners
M3S-UNIT Series
RTD TRANSMITTER
Functions & Features
• Accepts direct input from an RTD and provides a standard process signal
• Linearization
• Burnout protection
• Universal AC/DC power input
• Fast response type available
• High-density mounting
• Power indicator LED
Typical Applications
• Long distance transmission between the RTD and the transmitter
• Combination with intrinsic safety barriers
MODEL: M3SRS–[1][2]–[3][4]
ORDERING INFORMATION
• Code number: M3SRS-[1][2]-[3][4]
Specify a code from below for each of [1] through [4].
(e.g. M3SRS-4A-R/K/BL/Q)
• Temperature range (e.g. 0 – 500°C)
• Special output range (For codes Z & 0)
• Specify the specification for option code /Q
(e.g. /C01)
[1] INPUT RTD (2- or 3-wire)
1
: JPt 100 (JIS'89)
(Usable range: -200 to +500°C, -328 to +932°F; min.span: 50°C, 90°F)
3
: Pt 100 (JIS'89)
(Usable range: -200 to +650°C, -328 to +1202°F; min.span: 50°C, 90°F)
4
: Pt 100 (JIS'97, IEC)
(Usable range: -200 to +850°C, -328 to +1562°F; min.span: 50°C, 90°F)
5
: Pt 50 Ω (JIS'81)
(Usable range: -200 to +500°C, -328 to +932°F; min.span: 100°C, 180°F)
6
: Ni 508.4 Ω
(Usable range: -50 to +200°C, -58 to +392°F; min.span: 30°C, 54°F)
0
: Specify
Note: Consult us for 2-wire RTD
[2] OUTPUT
Current
A
: 4 – 20 mA DC (Load resistance 550 Ω max.)
B
: 2 – 10 mA DC (Load resistance 1100 Ω max.)
C
: 1 – 5 mA DC (Load resistance 2200 Ω max.)
D
: 0 – 20 mA DC (Load resistance 550 Ω max.)
E
: 0 – 16 mA DC (Load resistance 680 Ω max.)
F
: 0 – 10 mA DC (Load resistance 1100 Ω max.)
G
: 0 – 1 mA DC (Load resistance 11 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 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 (multiple selections)
Response Time (0 – 90 %)
blank
: Standard (≤ 0.5 sec.)
/K
: Fast Response (Approx. 25 msec.)
Burnout
blank
: Upscale burnout
/BL
: Downscale burnout
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
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
: Approx. -10 to +120 % at 1 – 5 V
Zero adjustment
: -2 to +2 % (front)
Span adjustment
: 98 to 102 % (front)
Burnout
: Upscale standard;downscale optional
Linearization
: Standard
Power indicator LED
: Green LED turns on when the power is supplied.
INPUT SPECIFICATIONS
Maximum leadwire resistance
: 200 Ω per wire (3-wire)
Sensing current
: 1.3 mA (Pt); 0.7 mA (Ni 508.4 Ω)
OUTPUT SPECIFICATIONS
■ DC Current
: 0 – 20 mA DC
Minimum span
: 1 mA
Offset
: Max. 1.5 times span
Load resistance
: Output drive 11 V max.
■
DC Voltage
: -10 – +11 V DC
Minimum span
: 5 mV
Offset
: Max. 1.5 times span
Load resistance
: Output drive 1 mA maximum; at ≥ 0.5 V
INSTALLATION
Power consumption
•
AC
:
Approx. 2 VA at 100 V
Approx. 3 VA at 200 V
Approx. 4 VA at 264 V
•
DC
: 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
: 100 g (0.22 lb)
PERFORMANCE in percentage of span
Accuracy
: ±0.2 %
Temp. coefficient
: ±0.015 %/°C (±0.008 %/°F)
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)
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