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2.0 Installation Instructions

2.1 Mounting Instructions

2.1.1 Location Considerations.

Care should be taken when locating equipment behind the MMI to ensure
that AC power wiring, PLC output modules, contactors, starters and relays,
and any other source of electrical interference are located away from the
back of the unit.

Particular note should be taken to the position of variable speed drives and
switching power supplies. Their input and load cables should be screened to
a central star earth point.

2.1.2 Making a NEMA-4 Mounting.

Panel
Details

The MMI can be mounted into panels with a depth of 6"(152mm). It is
recommended that the MMI be mounted on the front panel of a steel
enclosure, through a 5.43"(138mm) X 2.68"(68mm) opening. Allow a
clearance of 1"(25mm) on each side of the unit for mounting hardware.
Allow clearance for cable connections to the back of the unit. Unit depth
may vary according to cable type used. Typically, plan a depth to
accommodate at least 5"(130mm) behind the panel.

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Содержание MMI-1 Series

Страница 1: ...on Instructions for use with MMI 10 MMI 40 MMI 100 MMI 110 and MMI 140 Kessler Ellis Products 10 Industrial Way East Eatontown NJ 07724 Phone 732 649 7100 FAX 732 649 7099 Website www kep com For use with version 4 XX 99588REV02182021 10 00 ...

Страница 2: ......

Страница 3: ...nts 6 2 2 2 Grounding Requirements 8 2 2 3 CE Requirements 8 2 2 4 Safety Guidelines 9 2 3 Communications Connections 10 2 3 1 Connection to an External Device 10 2 3 2 Connection to a Personal Computer 11 2 4 CE Requirements 12 2 4 1 EU directives that apply to the MMI 1XX Series 12 2 4 2 General Installation Guide Lines for EU Installations 12 2 4 3 General Safety Guide Lines for EU Installation...

Страница 4: ...igation of notice to holders of this document with respect to changes subsequently made Information in this document is subject to change without notice and does not represent a commitment on the part of Kessler Ellis Products Some common terms used MTR This stands for Message Triggering Register The MTR is the register that holds the message number for the MMI to display PLC Programmable Logic Co...

Страница 5: ... The MMI Series and Its Environment Where Used The MMI Series is designed for use in a factory environment They are designed to operate under the same temperature conditions as PLC s used in an industrial environment They may not be suitable for use in certain outdoor applications Please consult the factory for advised usage in outdoor applications NEMA Rating The MMI 1XX Series front bezel is Nem...

Страница 6: ...s and switching power supplies Their input and load cables should be screened to a central star earth point 2 1 2 Making a NEMA 4 Mounting Panel Details The MMI can be mounted into panels with a depth of 6 152mm It is recommended that the MMI be mounted on the front panel of a steel enclosure through a 5 43 138mm X 2 68 68mm opening Allow a clearance of 1 25mm on each side of the unit for mounting...

Страница 7: ...must be sealed to the case using an RTV type sealer to maintain NEMA 4 rating When optional bezel kit with gasket is used the maximum panel thickness allowed is 0 375 Without bezel kit maximum panel thickness is 0 400 Without bezel kit or gasket maximum panel thickness is 0 500 Clamping Frame Panel Gasket Bezel Frame 2 1 3 Environmental Considerations The MMI is to be used indoors as a built in di...

Страница 8: ... wiring to insure proper connections and try to power up again Caution Strain Relief Adequate strain relief must be provided for the power connector to ensure that vibration or the disturbance of cables during maintenance does not cause the connector to pullout Retention of the power cables by a tye wrap onto the trunking or an adhesive pad mounted tye wrap point is normally suitable Caution High ...

Страница 9: ...ficient time between power cycles Caution Wire Routing Wire lengths should be minimized Maximum 1600 500 m shielded 1000 300 m unshielded Wires should be run in pairs with a neutral or common paired with a hot or signal line If wiring is to be exposed to lightning or surges use appropriate surge suppression devices Keep AC high energy and rapidly switching DC wiring separate from signal wires Equi...

Страница 10: ...imum short circuit current of the path being considered Ground conductors should be connected from a tree from a central star earth ground point This ensures that no ground conductor carries current from any other branch Typical Label on Rear of MMI 1XX Series unit 12 to 27 VDC Wiring Diagram View from top of connector 3 Earth Ground 2 DC Ground 1 12 to 27 VDC 2 2 3 CE Requirements To make the MMI...

Страница 11: ...cks should be placed in the PLC program to ensure that all writable registers that control critical parts of plant or machinery should have upper and lower limit checks built into the program with an out of limit safe shut down procedure to ensure safety of personnel ICS 3 304 81 Safety Recommendations Consideration should be given to the use of an emergency stop function which is independent of t...

Страница 12: ... 150m for RS485 422 devices and 50 15m for RS232 devices to avoid communications problems Communications problems cause the MMI display to hold until communications can be established Shielded cable must be used for long lengths or cables run in an electrically noisy environment Do not run cables next to AC power lines or near sources of electrical noise Be sure that the cable ends have been inser...

Страница 13: ...ities Print Out The MMI has print out capabilities When a message is assigned to be sent out the serial port the transmit line of the computer port becomes active momentarily Note The receive line is never active when the MMI is connected to a PLC Pin Designations The MMI has print out capabilities When a message is assigned to be sent out the serial port the transmit line of the computer port bec...

Страница 14: ...PR EN 55011 Group 1 Class A Radiated Emissions levels EN50081 2 Generic emission standard industrial environment Also US FCC Class A EN50082 2 Generic immunity standard industrial environment 2 4 2 General Installation Guide Lines for EU Installations Be aware that wiring leaving the cabinet where the MMI is installed may be exposed to interference sources The installation practices in the individ...

Страница 15: ... Before switching on the equipment make sure that the voltage range for the equipment is correct Emergency tripping devices in accordance with EN60204 IEC204 must be effective in all operating modes of the automation equipment Resetting the emergency off device must not result in any uncontrolled or undefined restart of the equipment Automation equipment and its operating elements must be installe...

Страница 16: ...splayed 3 A message with a long scrolling time is displayed 3 1 2 Queue Action The Queue is emptied on a first in first out basis If the Queue is full additional messages will be lost Warning Function keys that have displayable message text assigned to them clear the Queue 3 1 3 The Interrupt Message Message number 255 is the Interrupt message When message 255 is called the Queue is immediately cl...

Страница 17: ...e MMI and their existing functions be used for these purposes in conjunction with the PLC program If Alarms are defined wordwise the unit reads the designated 2 alarm registers The registers bits are then parsed from 0 to 15 Register 1 then 0 to 15 Register 2 If Alarms are defined bitwise MMI reads the bits as a cluster or individually in order as specified by a list of designated bits The first l...

Страница 18: ...default message 3 3 Using the Function Keys The MMI 100 110 and 140 models have programmable function keys Simply press a Function key to initiate their programmed action and or call up their associated messages One of the following conditions will apply 3 3 1 The Function key may have message text assigned to it or may be chained to a message The Function key message will interrupt the active dis...

Страница 19: ...en seconds The MMI will time out and display the value that is in the register in the PLC MMI 100 The MMI 100 has no direct facility to allow the operator to enter operational parameters outside of limited function key capabilities Numerical entry can still be achieved using some Controller Logic and the function keys This technique will use 5 or 6 MMI 100 function keys Designate a register in the...

Страница 20: ... Calls A message number must be in the MTR for at least 300 milliseconds to be recognized by the MMI 3 6 2 Response Time to Function Key Presses Function keys are handled on an interrupt basis As soon as a key is pressed a communication is sent to the PLC Response to a key press by the PLC depends on the PLC s scan time and communications handling Typically response times are less than 1 second We...

Страница 21: ...2 Communications Problems Sometimes communications fail There are various reasons why this happens electrical noise loose cables time outs and power loss When communications fail the MMI tries to re establish the communications link During the time the MMI is establishing communications the keypad of the MMI will not respond Function key operations will be interrupted The implication is that the M...

Страница 22: ...C port is always active for PC to MMI programming and MMI printout The PC port is NOT a pass through port to the PLC Q Do I need to change any jumpers to go from one PLC type to another A No The PLC type is determined by the driver that is downloaded into the MMI at programming time Q Is there any way to completely erase the MMI memory A Yes The MMI memory can be initialized by the following proce...

Страница 23: ... must be returned for any reason be sure to call KEP and get a Return Material Authorization RMA number first We hope you will be pleased with our product If you have any questions concerning our warranty repair modification or returned goods process please contact your local distributor WARRANTY This product is warrantied against defects in materials and workmanship for a period of 12 months from...

Страница 24: ... MMI printer setup and do not affect PC to MMI or Controller to MMI communications Controller Port Communications RS232 Adaptor cable required Communications parameters are Controller dependent Bezel Membrane Keypad with tactile feedback Rated NEMA 4X water tight provided it is installed with gasket provided as per installation instructions Dimensions Bezel 2 83 72 H x 5 67 144 W Panel Cutout 5 43...

Страница 25: ...sert Planning Worksheet MMI 100 Function Key Insert Drawing Make copies before using MMI 110 Function Key Insert Drawing Make copies before using MMI 140 Function Key Insert Drawing Make copies before using ...

Страница 26: ..._ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ Message __ __ __ Chained to __ __ __ Attributes Line U L B Flash Print Scroll N F M S Min Time __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ Message __ __ __ Chained to __ __ __ Attributes Line U L B Flash Print Scroll N F M S Min Time __ __ __ __ _...

Страница 27: ...25 Alarm Planning Worksheet Alarm Registers ______________________ ______________________ Alarm Bit Msg Alarm Bit Msg ...

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