ES-5016 Rev.6
M2RR
Super-mini Signal Conditioners Mini-M Series
RESISTANCE/RESISTANCE CONVERTER
Functions & Features
• Accepts a resistance input from an RTD and provides a multiplied resistance value
• High-density mounting
MODEL: M2RR–[1]–[2][3]
ORDERING INFORMATION
• Code number: M2RR-[1]-[2][3]
Specify a code from below for each of [1] through [3].
(e.g. M2RR-5-M/Q)
• Input resistance range (e.g. 100 – 150 Ω)
• Specify the specification for option code /Q
(e.g. /C01/S01)
[1] I/O RATIO
(n = Output / Input)
2 :
n = 2
5:
n = 5
10:
n = 10
0:
Specify ‘n’ (≥ 1.20)
[2] POWER INPUT
AC Power
M
: 85 – 264 V AC (Operational voltage range 85 – 264 V,
47 – 66 Hz)
DC Power
R2
: 11 – 27 V DC
(Operational voltage range 11 – 27 V, ripple 10 %p-p max.)
P
: 110 V DC
(Operational voltage range 85 – 150 V, ripple 10 %p-p max.)
[3] OPTIONS
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
/C04
: Polyolefin coating
TERMINAL SCREW MATERIAL
/S01
: Stainless steel
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 or output to power
Zero adjustment
: ±2 % of the output resistance (measuring current ≤ 2 mA DC)
Span (gain) adjustment:
± 5 % of the output resistance
I/O ratio:
1.20 – 100.00
INPUT SPECIFICATIONS
Resistance:
40 Ω to 5 kΩ
OUTPUT SPECIFICATIONS
Resistance:
80 Ω to 10 kΩ
Maximum measuring voltage:
12 V DC
Minimum measuring current:
1 mA DC
Maximum measuring current:
20 mA DC
Note: AC measurement is unable.
INSTALLATION
Power Consumption
•
AC
Approx. 1.0 VA at 100 V
Approx. 2.5 VA at 200 V
Approx. 3.5 VA at 264 V
•
DC
: Approx. 0.5 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 based on the resistance output
Accuracy
: ± 0.1 % or 0.1 Ω, whichever is greater.
Temp. coefficient:
±0.04 %/°C (±0.02 %/°F)
(n = 5, Rin = 100 Ω, Is = 7 mA)
The following equation is applied for other cases:
Temp. coefficient (%/°C) = (5 × n) ÷ (Rin (Ω) × Is (mA))
n = I/O ratio
Rin = Input resistance
Is = Measuring current
Response time
: ≤ 50 msec. (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 or output to power to ground)
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM