ES-1745 Rev.10
MXCB
Plug-in Signal Conditioners MX-UNIT
COMPUTER BACKUP STATION
(front configurable)
Functions & Features
• Manipulates/holds analog signals via contact input from a computer
• Manual control available by the ‘Soft-Terminal’ indicator/controller (model: ST/STL).
• Restarts at the last stored value before power failure
Typical Applications
• Computer and DCS backup applications
• Used as manual controller
• Valve/damper control with ON-OFF signals
MODEL: MXCB–[1]–[2][3]
ORDERING INFORMATION
• Code number: MXCB-[1]-[2][3]
Specify a code from below for each of [1] through [3].
(e.g. MXCB-V1-M2/Q)
• Specify the specification for option code /Q
(e.g. /C0/S01/SET)
[1] OUTPUT
Current
Z1
: Range 0 – 20 mA DC (Load resistance 600Ω max.)
Voltage
V1
: Range -1 – +1 V DC (Load resistance 1000Ω min.)
V2
: Range -10 – +10 V DC (Load resistance 10kΩ min.)
[2] POWER INPUT
AC Power
M2
: 100 – 240 V AC (Operational voltage range 85 – 264 V,
47 – 66 Hz)
DC Power
R3:
12 – 24 V DC
(Operational voltage range 10.8 - 26.4 V, ripple 10 %p-p max.)
P
: 110 V DC
(Operational voltage range 85 – 150 V, ripple 10 %p-p max.)
[3] 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
EX-FACTORY SETTING
/SET
: Preset according to the Ordering Information Sheet
(No. ESU-1745)
RELATED PRODUCTS
• Soft-Terminal (model: ST/STL)
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
: Input to output to power
Programming
: Via front keys
• Scaled range
• Response time
• Trace back mode
• Initial value, Hi, Lo
• etc.
Refer to the instruction manual for detailed information.
■
DISPLAY
LED
: 8 mm (.31”) 7 segment, red
Number of display digits
: 4 digits for DATA display; 2 digits for ITEM display
Scaling
: -9999 to 9999
MV indication
: Output signal in engineering unit
Overrange indication
: LEDs blinking
Power saving mode
: Displays turn off if the keys are untouched for a preset time period
LEDs
: Red; the PL1 turns on with negative polarity, the PL2 turns on at MANUAL mode, the PL3 turns on when UP signal on at MANUAL mode, the PL4 turns on when DOWN signal on at MANUAL mode.
INPUT SPECIFICATIONS
■
Contact Input
: TTL level (5V-CMOS level) or open collector/dry contact (detecting voltage: approx. 5 V, saturation voltage: ≤ 1 V, sink current: 0.5 mA)
•
UP/DOWN/STOP signals (input from the computer)
UP/DOWN signal
: Increases/decreases the analog output.
STOP signal
: Switches AUTO/MAN modes.
•
UP/DOWN signals (input from the Soft-Terminal)
:
Controls the analog output in MAN mode.
OUTPUT SPECIFICATIONS
■
DC Current
: 0.0 – 20.0 mA DC
Operational range
: 0.0 – 24.0 mA DC
Minimum increment
: 0.1 mA
Default setting:
4.0 – 20.0 mA DC
■
DC Voltage
Code V1
: -1.00 – +1.00 V DC
Operational range
: -1.15 – +1.15 V DC
Minimum increment
: 10 mV
Code V2
: -10.0 – +10.0 V DC
Operational range
: -11.5 – +11.5 V DC
Minimum increment
: 100 mV
Note: Set to the 100 % output with a larger value than the
0 % output value.
Default setting:
Code V1
: -1.00 – +1.00 V DC
Code V2
: -10.0 – +10.0 V DC
INSTALLATION
Power consumption
•
AC
: Approx. 10 VA
•
DC
: Approx. 3.5 W (150 mA at 24 V)
Operating temperature
: -5 to +55°C (23 to 131°F)
Operating humidity
: 30 to 90 %RH (non-condensing)
Mounting
: Surface or DIN rail
Weight
: 450 g (0.99 lb)
PERFORMANCE in percentage of max. span
Accuracy
: ±0.1 %
Min. span required to ensure the accuracy
: 20 % of the nominal output range
Display accuracy
: Accuracy ±1 digit
(with 0.0 – 100.0 scaling)
Temp. coefficient
: ±0.015 %/°C (±0.008 %/°F)
Response time
: Approx. 1 – 999 sec. variable (0 – 100 %)
Output memory at power OFF
: E
2
PROM (non-volatile memory)
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 to output to power: Basic insulation (300 V)
RoHS Directive
EXTERNAL VIEW
Refer to the instruction manual for detailed procedures.
CONNECTION EXAMPLES
■ Used Independently
■ Used in Combination with ST/STL
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM
FUNCTIONS
SYSTEM CONFIGURATION EXAMPLES