M2SN INPUT LOOP POWERED ISOLATOR

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M2SN  INPUT LOOP POWERED ISOLATOR

Functions & Features
• Loop-powered design eliminates output loop power supply
• Two isolators housed in one enclosure
• 350 Ω output drive with 4 – 20 mA
Typical Applications
• Isolation between control room and field instrumentation, between telemetering system and input device
• Eliminates ground problems in existing systems
thanks to easiness of application without requiring additional power wiring

MODEL: M2SN-[1][2][3][4]

ORDERING INFORMATION
• Code number: M2SN-[1][2][3][4]
Specify a code from below for each [1] through [4].
(e.g. M2SN-2A6/CE/Q)
• Specify the specification for option code /Q
(e.g. /C01/S01)

[1] NO. OF CHANNELS
1: 1 channel
2: 2 channels

[2] INPUT
Current
A: 4 – 20 mA DC
H: 10 – 50 mA DC

[3] OUTPUT
Current
A: 4 – 20 mA DC
Voltage
6: 1 – 5 V DC

[4] OPTIONS (multiple selections)
Standards & Approvals (must be specified)
/N: Without CE or UL
/CE: CE 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 M-System's web site.)
/C01: Silicone coating
/C02: Polyurethane coating
/C03: Rubber 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; between channels
Zero adjustment (front)
Voltage output: -4 to +4 %
Current output: -0.5 to +0.5 %
Span adjustment (front)
Voltage output: 95 to 105 %
Current output: 98.5 to 101.5 %

INPUT & OUTPUT
■ Input 4 – 20 mA DC / Output 1 – 5 V DC
Equivalent input impedance: Approx. 250 Ω with 20 mA input
Operational range: 3 – 22 mA DC
(Accuracy is assured within 4 – 22 mA)
Load resistance: ≥ 50 kΩ

■ Input 10 – 50 mA DC / Output 1 – 5 V DC
Equivalent input impedance: Approx. 100 Ω with 50 mA input
Operational range: 7 – 55 mA DC
(Accuracy is assured within 8 – 55 mA)
Load resistance: ≥ 50 kΩ

■ Input 4 – 20 mA DC / Output 4 – 20 mA DC
Equivalent input impedance: 230 Ω plus load resistance with 20 mA input
Operational range: 3 – 22 mA DC
(Accuracy is assured within 4 – 22 mA)
Load resistance: 50 – 350 Ω (min. 50 Ω required for adequate operation)

■ Input 10 – 50 mA DC / Output 4 – 20 mA DC
Equivalent input impedance: 90 Ω + [load resistance×0.16] with 50 mA input
Operational range: 7 – 55 mA DC
(Accuracy is assured within 8 – 55 mA)
Load resistance: 50 – 600 Ω (min. 50 Ω required for adequate operation)

INSTALLATION
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: ±0.1 %
Temp. coefficient
  Voltage output: ±0.015 %/°C (±0.008 %/°F)
Current output: ±0.02 %/°C (±0.01 %/°F)
Response time
  Voltage output: ≤ 0.5 sec. (0 – 90 %)
Current output: Approx. 15 msec. (0 – 90 %)
Load effect (current output)
4 – 20 mA input: 0.015 %/Ω (50 – 150 Ω)
  0.003 %/Ω (150 – 350 Ω)
10 – 50 mA input: 0.015 %/Ω (50 – 100 Ω)
0.003 %/Ω (100 – 600 Ω)
(The unit is calibrated with 250 Ω load at the factory.)
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength:
500 V AC @1 minute (input to output)
2000 V AC @1 minute (between channels)
2000 V AC @1 minute (input or output to ground)

STANDARDS & APPROVALS
EU conformity:
EMC Directive
EMI EN 61000-6-4
EMS EN 61000-6-2
RoHS Directive
EN 50581
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)

EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch)

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM