REB Plug-in Signal Conditioners M-UNIT
RATIO TRANSMITTER
(output bias; non-isolated)
Functions & Features
• Providing precise matching of DC control signals
to final control elements in open- or closed-loop systems
• Monitor jacks provided for ratio & bias adjustments
• Ratio adjustable from 0.5 to 3.0
• Bias adjustable within ±100 %
• Isolation up to 2000 V AC
• High-density mounting
Typical Applications
• Ratio control for air/fuel flows or for two flows
• Gain calculation for manipulated variable from a controller
• Large scale signal span adjustment
MODEL: REB–[1][2]–[3][4]
ORDERING INFORMATION
• Code number: REB-[1][2]-[3][4]
Specifya code from below for each of [1] through [4].
(e.g. REB-6A-B/Q)
• Special input and output ranges (For codes Z & 0)
• Specify the specification for option code /Q
(e.g. /C01/S01)
[1] INPUT
Current
A : 4– 20 mA DC (Input resistance 250 Ω)
B : 2– 10 mA DC (Input resistance 500 Ω)
C : 1– 5 mA DC (Input resistance 1000 Ω)
D : 0– 20 mA DC (Input resistance 50 Ω)
E : 0– 16 mA DC (Input resistance 62.5 Ω)
F : 0– 10 mA DC (Input resistance 100 Ω)
G : 0– 1 mA DC (Input resistance 1000 Ω)
H : 10– 50 mA DC (Input resistance 100 Ω)
Z : Specify current (See INPUT SPECIFICATIONS)
Voltage
3 : 0– 1 V DC (Input resistance 1 MΩ min.)
4 : 0– 10 V DC (Input resistance 1 MΩ min.)
5 : 0– 5 V DC (Input resistance 1 MΩ min.)
6 : 1– 5 V DC (Input resistance 1 MΩ min.)
0 : Specify voltage (See INPUT SPECIFICATIONS)
[2] OUTPUT
Current
A : 4– 20 mA DC (Load resistance 750 Ω max.)
B : 2– 10 mA DC (Load resistance 1500 Ω max.)
C : 1– 5 mA DC (Load resistance 3000 Ω max.)
D : 0– 20 mA DC (Load resistance 750 Ω max.)
E : 0– 16 mA DC (Load resistance 900 Ω max.)
F : 0– 10 mA DC (Load resistance 1500 Ω max.)
G : 0– 1 mA DC (Load resistance 15 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 100 Ω min.)
4 : 0– 10 V DC (Load resistance 1000 Ω min.)
5 : 0– 5 V DC (Load resistance 500 Ω min.)
6 : 1– 5 VDC (Load resistance 500 Ω min.)
4W : -10 – +10 V DC (Load resistance 2000 Ω min.)
5W : -5 – +5 V DC (Load resistance 1000 Ω min.)
0 : Specify voltage (See OUTPUT SPECIFICATIONS)
[3] POWER INPUT
AC Power
B : 100 V AC
C : 110 V AC
D : 115 V AC
F : 120 V AC
G : 200 V AC
H : 220 V AC
J : 240 V AC
DC Power
S :12 V DC
R : 24 V DC
V :48 V DC
P : 110 V DC
[4] OPTIONS
blank : none
/Q : With options (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
TERMINAL SCREW MATERIAL
/S01 : Stainless steel
GENERAL SPECIFICATIONS
Construction : Plug-in
Connection : M3.5 screw terminals
Screw terminal : Chromated steel (standard) or stainless steel
Housing material : Flame-resistant resin (black)
Isolation : Inputor output to power
Overrange output : Approx. -10 to +120 % at 1 – 5 V
Ratio adjustment: 0.5 – 3.0 (front)
Bias adjustment: -100 – +100 % (front)
Monitor jack diameter: 2 mm (.08")
Equation: Xo = KXi + B
where Xo : output (%)
Xi : input (%)
K : ratio
(linear characteristic; 0.5 – 3.0)
B : bias (-100 – +100 %)
INPUT SPECIFICATIONS
■ DC Current :
Shunt resistor attached to the input terminals (0.5 W)
Specify input resistance value for code Z.
■ DC Voltage: 0 – 300 V DC
Minimum span: 1 V
Offset: Max. 1.5 times span
Input resistance: ≥ 1 MΩ
OUTPUT SPECIFICATIONS
■ DC Current : 0 – 20 mA DC
Minimum span : 1 mA
Offset : Max. 1.5 times span
Load resistance : Output drive 15 V max.
■ DC Voltage : -10 – +12 V DC
Minimum span :5 mV
Offset : Max. 1.5 times span
Load resistance : Output drive 10 mA max.; 5 mA for negative voltage output; at ≥ 0.5 V
INSTALLATION
Power input
• AC : Operational voltage range: rating ±10 %,
50/60 ±2 Hz, approx. 2 VA
• DC : Operational voltage range: rating ±10 %, or 85 – 150 V for 110 V rating (ripple 10 % p-p max.)
approx. 2 W (80 mA at 24 V)
Operating temperature : -5 to +60°C (23 to140°F)
Operating humidity : 30 to 90 %RH (non-condensing)
Mounting : Surface or DIN rail
Weight : 300 g (0.66 lb)
PERFORMANCE in percentage of span
Setpoint accuracy: ±1.0 % (for monitor output voltage)
Computing accuracy: ±0.5 % (with ratio=1, bias=0 %)
Temp. coefficient : ±0.015 %/°C (±0.008 %/°F)
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 :2000 V AC @1 minute (input or output to power to ground)
EXTERNAL VIEW
EXTERNAL DIMENSIONS unit: mm [inch]
TERMINAL ASSIGNMENTS unit: mm [inch]
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM
MG Co., Ltd.
