Intelligent Servo Controller – Shimaden EM70 Series

Features

  • High visibility of Control Motor opening display, which is shown in a bar graph (20 dots) and 7 segments.
  • Zero/Span adjustment of opening can be done automatically at the touch of a single button.
  • By means of the combination of SSR and relay, the drive unit can control directly large capacities (20-240V / 2A).
  • A wide selection of additional functions (optional) is available to suit various requirements. (Events, analog output, external operation, square root extraction, communication function)
  • Dust and splash proof front panel equivalent to IP66
Enquiry
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An embedded panel servo controller with 20-dot bar graph and digital display is featured. For feedback resistance, a range from 100 Ω to 2 kΩ can be used. For output, relay contact or SSR and contact can be selected. The potentiometer has a zero-span automatic adjustment function. A 3-point external control input is a standard feature. A dustproof and drip-proof structure suitable for IP66.

Specification

Display
Position indicator
Output display color (LED bar graph) Green
Display resolution/dot 5%/20 dots
Data display
Display digit/color 5 digits/7 segments LED green display, Height of character: 14 mm
Display resolution 1% (position, desired value of position), 0.1% (input)
Sampling cycle 0.2 seconds
Display range Position and deviation: –10~110%, Input value: –10.0~110.0%
Status display 11 kinds, LED lamps
Position display (POSITION)/Green………………………
Input display (INPUT)/Green
Desired value of position/deviation display (DES/DEV)/Green
Manual action  (MAN)/Green
Reverse action (RA)/Green
Opening action (OPEN)/Green
Closing action  (CLOSE)/Green
External (DI) input (DI1, 2, 3)/Green
Event action (EV1, 2, 3)/Orange
Stand-by action  (STBY)/Green
Communication status (COM)/Green
Control input
Current/receiving impedance 4~20, 0~20 mA DC/100Ω
Voltage/input impedance 1~5V, 0~5V, 0~10V DC/1MΩ
Input filter 0~99 seconds
Isolation Insulated between control input and analog output (not insulated between control input and feedback potentiometer and DI input)
Setting
Setting system By key switches (6 keys) on front panel
Setting/selection item
Display switching By DISP key switch on front panel
Auto/manual switching By  MAN / AUTO key switch on front panel
Zero/span adjustment Provided with Automatic adjustment function; manual adjustment is also possible (correction of potentiometer error)
Selection of control characteristics Direct (DA)/reverse (RA)
Control characteristics gain setting Input values corresponding to 0% position and 100% position (scaling function) or position values corresponding to 0% input and 100% input (scaling function)
Position limiter setting Higher limit values 1~100%, Lower limit value 0~99% (higher limit>lower limit)
Setting of speed (inching) 10~100% (Initial value: 100%, which means no inching) In the case of contact output, setting of speed is not possible.
Hysteresis 1/4 of dead band. Fixed to 0.3% when dead band is less than 1.2% of input.
Dead band setting 0.2~10.0% of input signal (Intial value: 2.0%)
Keylock 3-stage lock
Feedback
Feedback potentiometer rating Selectable between 100Ω and 2kΩ/three-wire type
Control output
Output type Contact                                                                            240V AC 2A
Combination of SSR and contact                             240V AC 2A
External operation input (DI)
Number of points 3 points (DI1, DI2 and DI3)
Operable items (1)  Individual assignment to RA, STBY and preset position value is possible.
(2) Assignment to 7 preset position values by binary numerals is possible.
(3) Assignment to 3 preset position values and individual assignment to one of RA,
STBY and preset position value is possible.
Operation Put in action when non-voltage contact or open collector turns ON.
Event output (option)
Number of event points 3 points (EV1, EV2 and EV3)
Types Potentiometer (higher limit, lower limit, hysteresis variable and stand-by action selectable), input (higher limit, lower limit, hysteresis variable and stand-by action selectable), operation, manual, potentiometer error, input error, and control loop trouble
Output rating/structure 240V AC 1A Resistive load/”a” contact
When EV1~EV3 are in action, orange lamp lights.
Analog output (option)
Number/type 1 point, either position or control input to be selected with scaling function
Analog output/rating 4~20 mA FS/Load resistance 300Ω max.
Output accuracy ±0.5% FS max.
Isolation Insulated between analog output and control input and feedback potentiometer
Square root extraction (option)
Position output control by square root extraction of input signals
Communication function (option)
Communication type RS-232C, RS-485
Communication system RS-232C 3-line type half duplex system & RS-485 2-line type half duplex system {RS-485 is of half-duplex multi-drop (bus) system}
Synchronization system Start-stop synchronization system
Communication speed 1200, 2400, 4800, 9600, 19200 bps
General specifications
Data storage Non-volatile memory
Ambient temp./humidity range –10~+50°C/90% RH or less (no dew condensation)
Storage temperature –20~+65°C
Power supply 100~240V AC±10% 50/60Hz
Power consumption 13VA (240V AC)
Applicable standards Safety: IEC1010-1 and EN61010-1/EMC: EN61326
Insulation resistance Between input/output terminals and power terminal: 500V DC 20MΩ min.
Between power terminal and ground terminal: 500V DC 20MΩ min.
Dielectric strength Between input/output terminals and power terminal: 2300V AC 1 minute
Between power terminal and ground terminal: 1500V AC 1 minute
Protective structure Only front panel has dust-proof and drip-proof structure. (IP66 equivalent)
Material of case PPO resin molding (equivalent to UL 94 V-1)
External dimensions H96 × W96 × D111 (Panel depth: 100) mm
Mounting/panel thickness Push-in panel (one-touch mount)/1~4mm
Panel cutout/weight 92 × 92mm/approx. 460 g

Ordering Information

ITEMS CODE SPECIFICATIONS
SERIES EM70- 96×96 DIN size, Intelligent servo contoroller
CONTROL INPUT 4 Current 4~20 / 0~20mA DC Receiving impedance: 100Ω
6 Voltage 1~5 / 0~5 / 0~10 V DC Input impedance: 1MΩ min.
CONTROL OUTPUT Y- Contact 240V AC 2A Inductive load
S- Combination of SSR and contact 240 V AC / 2A Inductive load
EVENT OUTPUT 0 Without
1 Contact output (1a) / 3 points
ANALOG OUTPUT 0 Without
4 4~20mA DC Load resistance: 300Ω max.
SQUARE ROOT EXTRACTION 0 Without
1 Output by square root extraction of control input signal
COMMUNICATION 0 Without
5 RS-485
7 RS-232C
REMARKS 0 Without
9 With (Please consult before ordering.)

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