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CMX

CMX
Input Output Multiplexing System

Technical Manual

Document no

e1110a

Edition

01.96

Supersedes

e1110

Manual

Hardware Installation

Section

3

1
2
3
...
»

Summary of Contents for Cerberus Dati

Page 1: ...CMX CMX Input Output Multiplexing System Technical Manual Document no e1110a Edition 01 96 Supersedes e1110 Manual Hardware Installation Section 3 ...

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Page 3: ..._________ 33 9 2 THE CMX BP CONNECTION BACKPLANE ____________________________________________________ 36 9 3 THE CMX SB SINGLE BOX _________________________________________________________________ 36 9 4 THE CMX RM RACK MOUNT________________________________________________________________ 37 10 HARDWARE INSTALLATION _______________________________________________39 10 1 POWER REQUIREMENTS AND CONN...

Page 4: ...H 8708 Männedorf Switzerland 1995 01 96 E1110A DOC 13 ANNEX A BOARD SETTINGS ______________________________________________49 13 1 BAUD RATE _____________________________________________________________________________49 13 2 INPUT OUTPUTS DEFAULT STATUS_________________________________________________________49 ...

Page 5: ... system architecture a description of system components and how to configure them notes about the installation of hardware using the mounting accessories supplied by Cerberus Dati power requirements and connections to properly supply the CMX boards information about connections characteristics e g cable dimensions and maximum lengths external I O connections characteristics how to detect malfuncti...

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Page 7: ...an be connected to the gateway only in a point to point configuration CMX can be connected in a multidrop configuration The Gateway communicates using a 3 wire RS 232 serial protocol The CMX communicate using a 2 wire RS485 serial protocol that allows longer distances without modems The IC 2 communication interface is the first device that constitutes any CMX network It is connected on one side to...

Page 8: ...nnedorf Switzerland 1995 01 96 E1110A DOC CMX PS CMX 24O or CMX 16 8 or CMX 24I IC 2 up to 16 CMXs of various models CMX CMX GW 0x This multidrop RS 485 data line can run up to 1000 m from the IC 2 till the farthest CMX at a data transmission speed of 9600 bauds From the IC 2 exits RS 232 data line th be connected to a GW 20 or GW 21 IC 2 ...

Page 9: ...SYSTEM DESCRIPTION E1110A DOC Data and design subject to change without notice Supply subject to availability Copyright by CERBERUS AG CH 8708 Männedorf Switzerland 1995 01 96 9 51 Fig 2 1 ...

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Page 11: ... on The box can be opened exerting pulling the upper side from the lower side there are no blocking screws Fig 3 1 Inside the printed circuit board is marked CD95204 B the only features relevant to the installer are the connector s block and the jumpers see Fig 3 2 The following connections are provided RS485 communication line towards CMX Westinghouse 422 IC 2 power supply RS232 communication lin...

Page 12: ... 01 96 E1110A DOC BAUD RATE Jumper 300 A 600 B 1200 C 2400 D 4800 E 9600 F Table 3 1 IC 2 baud rate settings The baud rate set on the IC 2 must be the same set on the CMX and on the Gateway s Subsystem Pad Should they be different the system will not operate 1 2 3 4 5 6 7 U6 U1 U7 F A B C D E U4 U8 U3 U5 U2 XTAL Power LED EMI Filters Baud rate jumpers Local ground screw Fig 3 2 ...

Page 13: ...THE IC 2 COMMUNICATION INTERFACE E1110A DOC Data and design subject to change without notice Supply subject to availability Copyright by CERBERUS AG CH 8708 Männedorf Switzerland 1995 01 96 13 51 ...

Page 14: ...s metal case If you look at the board with the CPU chip at right you can detect at the right of the quartz a small black pushbutton This is the reset pushbutton that starts the CMX diagnostics routines and reset the field status This pushbutton has to pressed only when the CMX needs a full restart When it is pressed the status of all inputs is re read I O BOARD CPU BOARD FRONT VIEW I O 1 I O 23 I ...

Page 15: ...blocks with four pins the two LEDS blocks of 24 and 4 LEDs respectively on the left board side and the DIN 64 pins connector on the right side The 24 LEDs are linked to the I O port When a LED is ON this means that the input is closed at the corresponding input port Note that the LED signifies only a physical condition i e current flowing through the diode while the logical meaning of the input is...

Page 16: ...actual connections of the board to external devices The power supply must have the characteristics shown in Table 4 3 Feature Value Unit Voltage min 12 V Voltage max 28 V Current idle 80 12 V mA 60 28 V mA Current max 360 13 8 V mA 420 27 V mA Table 4 3 Power supply characteristics The inputs can be Open collector Dry contacts Fig 4 2 shows two of the possible input configurations Table 4 4 shows ...

Page 17: ... max 28 V Maximum internal resistance 2 2 kOhm Current min 6 12 V mA 12 28 V mA Table 4 4 Input electrical characteristics The internal resistance can be used to evaluate the current that will flow in the external circuit The value must be higher than the minimum current value stated in Table 4 4 to let the CMX detect the input status change Moreover the external device must be able to withstand t...

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Page 19: ... big CPU chip and next to it the quartz crystal XTAL in its metal case I you look at the board with the CPU chip at right you can detect at the right of the quartz a small black pushbutton I O BOARD CPU BOARD FRONT VIEW I O 1 I O 23 I O 2 I O 24 TX POWER ON RX BT W25 W26 W27 Fig 5 1 This is the reset pushbutton that starts the CMX diagnostics routines and reset the field status This pushbutton has...

Page 20: ...twelve photocouplers each the small blocks with four pins the two LEDS blocks of 24 and 4 LEDs respectively on the left board side and the 64 pin DIN connector on the right side The 24 LEDs are linked to the I O port When a LED is ON this means that the output is closed at the corresponding output port Note that the LED signifies only a physical condition i e current flowing through the diode whil...

Page 21: ...ght by CERBERUS AG CH 8708 Männedorf Switzerland 1995 01 96 21 51 FEATURE VALUE UNIT Voltage min 12 V Voltage max 28 V Current idle 70 12 V mA 60 28 V mA Current max no output connection 240 12 V mA 200 28 V mA Current max with 24 relay output activated 550 12 V mA 470 28 V mA Table 5 3 Power supply characteristics ...

Page 22: ...oils at the same voltage Vd that supplies the CMX Table 5 4 shows the output electrical characteristics Feature Value Unit Voltage max 30 V DC Current max 100 mA Table 5 4 Output electrical characteristics To properly connect the output device connect the positive polarity to the output device free end the ground must be common between the output device and the CMX power supply If you use a relay ...

Page 23: ...110A DOC Data and design subject to change without notice Supply subject to availability Copyright by CERBERUS AG CH 8708 Männedorf Switzerland 1995 01 96 23 51 JUMPER 1 8 9 16 17 24 W25 ON W26 ON W27 ON Table 5 5 Fig 5 2 ...

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Page 25: ... and next to it the quartz crystal XTAL in its metal case I you look at the board with the CPU chip at right you can detect at the right of the quartz a small black pushbutton This is the reset pushbutton that starts the CMX diagnostics routines and reset the field status This pushbutton has to pressed only when the CMX needs a full restart Be careful in using the reset pushbutton on the CPU board...

Page 26: ...is easy to recognize the two rows of twelve photocouplers each the small blocks with four pins the two LEDS blocks of 24 and 4 LEDs respectively on the left board side and the 64 pin DIN connector on the right side The 24 LEDs are linked to the I O port When a LED is ON this means that the input is closed at the corresponding input port Note that the LED signifies only a physical condition i e cur...

Page 27: ...re Value Unit Voltage min 12 V Voltage max 28 V Current idle 80 13 8 V mA 65 27 V mA Current all inputs and outputs active 320 13 8 V mA 360 27 V mA Current maximum 430 13 8 V mA 460 27 V mA Table 6 3 Power supply characteristics Inputs and outputs characteristics are the same already described in previous Chapters 4 and 5 Refer to them for details about the CMX 16 8 I O characteristics ...

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Page 29: ... They are marked COM for the common connection NC normally closed contact and NO normally open contact The CMX RB could be connected to the CMX xx using the supplied flat cable that must be used in conjunction with the CMX MB mounting bracket see Chapter 8 The CMX RB is powered by the CMX xx The jumper marked J1 on the board is used to set the relays operating voltage When the two rightmost pins a...

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Page 31: ...tch must be set OFF when the power supply unit is not operating e g it is kept in stock to avoid batteries damage When battery operation is enabled the front panel LED marked BATTERY ON shows this status A red LED marked LOW BATTERY lights on when the battery level is low A green LED marked POWER ON shows the main 220 V presence A single CMX PS can power up to 4 CMXs If more than one CMX PS is ins...

Page 32: ...X PS with the cover removed You need to remove the cover to access the batteries To remove the cover unscrew the three cross headed screws on the aluminium cover with holes and lift it You can see the batteries and the electronic circuitry The two sealed batteries 6 V 2 0 Ah are connected in series one cable runs from one to the other connecting the positive and negative poles The negative pole fr...

Page 33: ...Fig 9 1 and Fig 9 2 a plastic bracket with a rail to insert in the CMX board a backplane connector that joins the CMX board 64 pin DIN connector a screw terminal box to connect the I O wires coming from field the RS485 communication lines and the supply voltage three connectors for the CMX RB flat cables a plastic serigraphed panel that shows the connector layout The output signals that are availa...

Page 34: ...ACCESSORIES 34 51 Data and design subject to change without notice Supply subject to availability Copyright by CERBERUS AG CH 8708 Männedorf Switzerland 1995 01 96 E1110A DOC 120 mm Fig 9 2 ...

Page 35: ... DOC Data and design subject to change without notice Supply subject to availability Copyright by CERBERUS AG CH 8708 Männedorf Switzerland 1995 01 96 35 51 131 mm 30 mm 15 mm diameter 5 5 mm 59 mm 45 mm Fig 9 3 Fig 9 4 ...

Page 36: ...be mounted on an existing panel by screws or in the CMX SB and in the CMX RM Fig 9 5 9 3 The CMX SB Single Box This accessory is a plastic box see Fig 9 6 and Fig 9 7 for the dimensions that can house one CMX board of any model The CMX SB is composed of the box body a serigraphed aluminium front panel and the box back Moreover to properly mount the CMX you need the CMX BP backplane First of all yo...

Page 37: ...roperly mount the CMX you need as many CMX BP backplanes as CMXs you wish to mount To let the box body rotate around the hinges put the slit of the hinge screw in horizontal position pull down the hinge in order to free the pivot and then rotate the box To tighten the box again repeat the operations in the inverse order To mount the CMX RM you have to make a hole in the box back for the cables and...

Page 38: ...ACCESSORIES 38 51 Data and design subject to change without notice Supply subject to availability Copyright by CERBERUS AG CH 8708 Männedorf Switzerland 1995 01 96 E1110A DOC Fig 9 8 ...

Page 39: ...0 12 V mA 60 28 V mA Current max 360 12 V mA 420 28 V mA Table 10 1 CMX 24I power supply data Feature Value Unit Voltage min 12 V max 28 V Current idle 70 12 V mA 60 28 V mA Current max no output connection 240 12 V mA 200 28 V mA Current max with 24 relay outputs activated 550 12 V mA 470 28 V mA Table 10 2 CMX 24O power supply data Feature Value Unit Voltage min 12 V max 28 V Current idle 80 12 ...

Page 40: ...e Cross section Unit RS 485 cable 2 1 5 mm2 RS 232 cable 3 0 5 mm2 I O wire 2 for I O point 1 mm2 Power supply 2 1 5 mm2 Table 10 4 CMX 16 8 power supply data Depends on application and on voltage and cable type The last device installed must have voltage enough to operate properly 10 2 1 Connection to the Gateway GW 00 To each backplane connector of the Gateway GW 00 up two CM IC can be connected...

Page 41: ... notice Supply subject to availability Copyright by CERBERUS AG CH 8708 Männedorf Switzerland 1995 01 96 41 51 10 2 2 Connection to the Gateway GW 01 To an asynchronous board of a Gateway GW 01 up to four IC 2 can be connected CMX IC to which are connected CMX boards Fig 10 2 ...

Page 42: ... the CMX 24I Typical inputs are Pushbutton Photocoupler Relay contact Inputs 17 24 Inputs 9 16 Inputs 1 8 Power supply Power supply RS 485 RS 485 Input 16 Input 15 Input 1 Input 24 Input 23 Input 17 Fig 10 3 10 3 2 Connection to the CMX 24O Typical outputs are LED Relay coils Photocoupler TTL CMOS Outputs 17 24Outputs 9 16 Outputs 1 8 Power supply Power supply RS 485 RS 485 Output 16 Output 15 Out...

Page 43: ...right by CERBERUS AG CH 8708 Männedorf Switzerland 1995 01 96 43 51 10 3 3 Connection to the CMX 16 8 Outputs 1 8 Inputs 9 16 Inputs 1 8 Power supply Power supply RS 485 RS 485 Input 16 Input 15 Input 1 Output 8 Output 7 Output 1 Fig 10 5 10 3 4 Connection to the CMX RB Outputs 1 8 Outputs 9 16 Outputs 17 24 Fig 10 6 ...

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Page 45: ...he board to CDI for verification and maintenance 5 Power supply is low the BT LED see Figs 4 1 5 1 and 6 1 is ON and the board is stuck Action verify supply voltage Irregular or faulty communication 1 line is faulty Action verify line integrity 2 Power supply is low the BT LED see Figs 4 1 5 1 and 6 1 is ON Action verify supply voltage Line fault 1 the line is interrupted Action verify the line in...

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Page 47: ...ented using a transistor this output type usually is able to supply a limited amount of current Optoisolator A coupling device in which a light emitting diode LED energized by the input signals is optically coupled to a photodetector such as a light sensitive output diode transistor or silicon controlled rectifier Pushbutton A temporary switch used on CMX to reset the CPU and all the I O ports Rel...

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Page 49: ...aud rate BAUD RATE SW2 6 SW2 7 SW2 8 300 ON ON ON 600 ON ON OFF 1200 ON OFF ON 2400 ON OFF OFF 4800 OFF ON ON 9600 OFF ON OFF Table A 1 Baud rate settings 13 2 Input Outputs default status Inputs NORMALLY OPEN SW2 1 SW2 2 SW2 3 01 08 OFF 09 16 OFF 17 24 OFF Table A 2 a Switch settings for normal input Inputs NORMALLY CLOSED SW2 1 SW2 2 SW2 3 01 08 ON 09 16 ON 17 24 ON Table A2 b Switch settings fo...

Page 50: ... 3 03 ON ON ON OFF OFF 4 04 ON ON OFF ON ON 5 05 ON ON OFF ON OFF 6 06 ON ON OFF OFF ON 7 07 ON ON OFF OFF OFF 8 08 ON OFF ON ON ON 9 09 ON OFF ON ON OFF 10 0A ON OFF ON OFF ON 11 0B ON OFF ON OFF OFF 12 0C ON OFF OFF ON ON 13 0D ON OFF OFF ON OFF 14 0E ON OFF OFF OFF ON 15 0F ON OFF OFF OFF OFF Table A 3 Network address settings Never use addresses above 15 0F hex the SW1 4 must always be ON 13 4...

Page 51: ...9 Fuse 13 18 22 41 43 I Input I 5 13 14 15 22 43 Input fuse 27 L Line fault 41 M Mounting bracket 25 29 N Normally closed contact 25 Normally open contact 25 O Open collector 5 14 43 Open collector output 25 Optoisolation 19 Output I 5 18 19 22 25 Output board 19 Output connections 25 Output electrical characteristics 19 Output fuse 27 Output port 18 Output signals 29 P Power supply monitor 13 18 ...

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