cx_rly-c user manual ver1
Contents
1. gt None Press to go to the next screen Press ESC to return to the Main screen directly 12 4 5 6 DANGER RLY MAPPING SCREEN Use A V arrows to change the mapping CUE eo Dang Selection None RLY1 RLY2 RLY3 RLY4 gt RLY Press OK to save the new settings The third line is visible only when the new value is not the same with the previous saved value Press lt to return to previous screen Save OK 4 Prev Main Press to go to the next screen Press ESC to return to the Main screen directly These settings must be logically done otherwise unexpected relay actions may occur Example 1 Wrong relay mapping Assuming that the RLY1 mapping was done as follows CH1 Map Warn gt RLY1 CH1 Map Dang gt RLY1 In this case when a Warning alarm condition is met the RLY1 will act but nothing happens when a Danger alarm of CH1 occurs RLY1 is already activated Example 2 Wrong relay mapping CH1 MAP WARN gt RLY1 CH2 MAP DANG gt RLY1 Above setting not have any sense RLY1 is acting for two independent events having nothing in common Example 3 Correct relay mapping Consider a CX RLY C used for a single machine having four transducers A possible relay mapping is RLY1 Warning alarm for all four channels CH1 CH2 CH3 and CH4 RLY2 Danger alarm for all four channels CH1 CH2 CH3 and CH4 RLY 3 Set to NONE unused RLY 4 Set to NONE unused2. Example 4 Correct relay mapping Considering a CX RLY C used for two machines Machine 1 CH1 and CH2 Machine 2 CH3 and CH4 A suitable relay mapping may be this RLY1 Warning alarm for Machine 1 CH1 Map Warn gt RLY1 and CH2 Map Warn gt RLY1 RLY2 Danger alarm for Machine 1 CH1 Map Dang gt RLY2 and CH2 Map Dang gt RLY2 RLY3 Warning alarm for Machine 2 CH3 Map Warn gt RLY3 and CH4 Map Warn gt RLY3 RLY4 Danger alarm for Machine 2 CH4 Map Dang gt RLY3 and CH4 Map Dang gt RLY3 Example 5 Correct relay mapping Map the relay as follows RLY1 Danger alarm for CH1 CH1 Map Dang gt RLY1 RLY2 Danger alarm for CH2 CH2 Map Dang gt RLY2 RLY3 Danger alarm for CH3 CH3 Map Dang gt RLY3 RLY4 Danger alarm for CH4 CH4 Map Dang gt RLY4 13 4 6 STARTUP hardware switch During start up a higher vibration value is expected To inhibit the alarm is not a suitable action because the machine will remain for a while without protection for over vibration That s why in CX RLY C software was implemented a function which can by demand to double the set alarm limits This function must be used in conjunction with the digital input I 01 STARTUP When a transition from 0 to 1 occurs the alarm limits will always be multiplied by a factor of 2 for 10 seconds only This time allows the machine to stabilize when starts If still exaggerate vibration values are
3. The CX RLY C Modules are smart relays with high current relay output models and can be configured through the embedded LCD display without any programming software 2 1 Installation Considerations Locate your modules as far as possible from power lines load lines and other sources of electrical noise such as hard contact switches relays and AC motor drives WARNING Exposure to some chemicals may degrade the sealing properties of the materials used in the Relays It is recommended to the User to inspect these devices periodically to observe any degradation of properties and to replace the module if degradation is found WARNING To comply with the CE Low Voltage Directive LVD this equipment must be powered from a source compliant with the following Safety Extra Low Voltage SELV or Protected Extra Low Voltage PELV WARNING Do not wire more than two conductors on any single terminal WARNING Be careful when stripping wires Wire fragments that fall into the module could cause damage Once wiring is complete make sure the controller is free of all metal fragments ATTENTION This product is intended to be mounted to a well grounded mounting surface such as a metal panel Additional grounding connections from the power supply mounting tabs or DIN rail if used are not required unless the mounting surface cannot be grounded ATTENTION Circuits installed on the machine for safety reasons and interlocks should always be hard wired d
4. to go to the RLY 1 NORMAL position screen 4 4 2 RELAY NORMAL POSITION RLY1 NORMAL Use A V arrows to change the Relay 1 normal position CLOSE or OPEN Press OK to save the settings CLOSE ic Press ESC to exit to the Main screen Saye Press to return to the INPUT CONFIG screen Press to go to the RLY 2 NORMAL position screen 4 Prev The next three screens are similar for setting RLY 2 RLY 3 and RLY 4 10 NOTE Relay normal position defines the contact status in NORMAL operation NO alarm as follows CLOSE In NO alarm condition the relay coil is energized and the relay contact is closed OPEN In NO alarm condition the relay coil is de energized and the relay contact is opened 4 5 SETTING Screens For each channel there are 6 Settings screens RANGE screen WARNING screen DANGER screen DELAY screen WARNING RLY mapping DANGER RLY mapping To entry in the SETTING screens from the Main screen first select the channel and then press OK The settings for CH1 are shown below For the other channels the settings will be done in a similar manner 4 5 1 RANGE SETTING SCREEN Use A V arrows to change the range value in a step of 10 The selection CH1 Range can be done for ranges between 10 and 100 Press OK to save the new settings The third line is visible only when the new 10 0 value is not the same with the previous saved value Care OK Press lt to return to the
5. measured the machine will be stopped After 10 seconds the I 01 STARTUP input is ignored until the next low to high transition This input must be always activated by an external relay when the machine starts Trough the external relay contact feed to the I 02 digital input a 24 V voltage 4 7 Alarm hysteresis To avoid repeatedly switching of the relay contact a hysteresis gap has been implemented The hysteresis value is 3 of the set RANGE See below the relay switching diagram ALARM OMIT HYSTERESIS MORMAL INPUT VALUE RELAY OUTPUT FAaIL S4FE CONFIGURATION NORMAL CLOSED CLOSE RELAY OUTPUT NORMAL CONFIGURATION OPEN NORMAL OPENED The hysteresis value is fixed and cannot be adjusted in this software release
6. Main screen Press to go to the Warning screen Press ESC to return to the Main screen directly 4 Main Next gt WARNING The range must be set according with the range of the the vibration converter A wrong setting can let the machine without protection 4 5 2 WARNING SETTING SCREEN CHl Warning Use the A V arrows to change the Warning value in a step of 0 1 The 12 3 selection can be done for the alarm between 0 1 and the Range value already set in the screen above To accelerate the modifying procedure just press the A V arrows for a Save OK 4 Prev Next gt couple of seconds Press OK to save the new setting The third line is visible only when the new value is not the same with the previous saved value Press lt to return to the Range screen Press to go to the Danger screen Press ESC to return directly to the Main screen 11 4 5 3 DANGER SETTING SCREEN Use A V arrows to change the Danger value in a step of 1 The selection CHI Danger can be done for ranges between 0 and 10 A Press OK to save the new setting The third line is visible only when the new Wao E value is different from the previous saved value Cape 2 OK Press to return to Warning screen 4 gt Prev Next Press to go to the Danger screen Press ESC to return directly to the Main screen 4 5 4 DELAY SETTING SCREEN Use A V arrows to change the Delay value in a step of 0 1 seconds C
7. analogical source 0 5V dc or 1 5V A4 To analogical source 0 5V dc or 1 5V 4 2 KEYPAD The module keypad has 6 keys UP DOWN arrow keys In the Main Screen these keys select an analogical channel In the Setting screens with these keys the set value can be changed OK Key In the Main Screen when pressing this key the software will move to the first Setting screen for the selected channel In the Setting screens Save the setting after it was changed LEFT RIGHT arrow keys In the Main Screen these keys are not used In the Setting screens these keys browse between the Setting screens for the selected channel ESC key In the Main screen By pressing this key the software will access the GENERAL Setting screen In the Setting screens the key may be used to return directly to the Main Screen 4 3 Main Screen Main screen is always the first one that appears The vibration values coming from the analogical inputs are shown in four lines Gd Press to select a channel This action is AN required if you need to change the channel 7 8 mm s 3 2 mm s 4 1 mm s 1 3 mm s setting After selection just press OK to access the Setting menu setting screen Depending on the general hardware settings and depending on the alarm condition the Main screen can look like below Refer to paragraph 2 4 Wiring Diagram 4 3 1 The keypad is locked 7 8 mm s I 00 Digital input is con
8. 35 x 7 5 mm x 1 mm EN 50 022 35 x 7 5 Before mounting the module on a DIN rail use a flat blade screwdriver in the DIN rail latch and pry it downwards until it is in the unlatched position a Hook the top of the DIN rail mounting area of the module onto the DIN rail and then press the bottom until the module snaps onto the DIN rail b Push the DIN rail latch back into the latched position Use DIN rail end anchors for vibration or shock environments To remove your module from the DIN rail pry the DIN rail latch downwards until it is in the unlatched position 2 4 Wiring Diagram AN WARNING Before installing and wiring any device just disconnect power supply of the module The following picture shows the wiring diagram of the module cw te ew LE LE ACOM El B2 B3 See note 13 Al1 Al2 AI3 Al4 i i Di kn N ST JQ OME DIC 2 E PE a OA gt DAE NS O SAA DO ST yt YIP RLY1 BLY2 RLYS PLY Al1 Analogical Input 1 0 6 V dc Al2 Analogical Input 2 0 6 V dc Al3 Analogical Input 2 0 6 V dc Al4 Analogical Input 2 0 6 V dc ACOM Common for Analogical Input B1 LOCK When closes locks the keypad B2 STARTUP When a transition from O to 1 occurs the alarm limits will be multiplied with a factor of 2 for 10 seconds B3 INHIBIT When closes inhibits the relays action Relays will be placed in no alarm status NC or NO depending on B4 inpu
9. H1 Delay Press OK to save the new settings The third line is visible only when the new j value is not the same with the previous saved value 3 0 See Press lt to return to Danger screen Save OK 4 Prev Next gt Press gt to go to the next screen Press ESC to return to the MAIN screen directly The Delay setting is used to add a delay time for relay action If an alarm condition occurs and a Delay time is set non zero value the relay will act only if the alarm condition persists more than the set delay time Otherwise the relay will not act With another words if the alarm condition persists less than Delay setting the relay will remain in non alarm condition NO or NC WARNING A too long delay time is not recommended To avoid early trip during machine start up just use instead the STARTUP digital input See paragraph 4 4 WARNING During the setting procedure the software doesn t evaluate the alarm condition and the relay won t be activated The machine remains without protection For safety reasons the parameter settings must be done when the machine is stopped 4 5 5 WARNING RLY MAPPING SCREEN Use A V arrows to change the mapping CHL Map Warn Selection None RLY1 RLY2 RLY3 RLY4 Press OK to save the new settings The third line is visible only when the new value is not the same with the previous saved value Save Press lt to return to previous screen 4 Prev Next gt
10. VIBRATION MONITOR CX RLY MaintTech Norrkoping Airport eae MaintTech Email mainttech live se Website www mainttech se CX RLY C MODULE Version 1 1 Important User Information Solid state equipment has operational characteristics differing from those of electromechanical equipment Safety Guidelines for the Application Installation and Maintenance of Solid State Controls describes some important differences between solid state equipment and hard wired electromechanical devices Because of this difference and because of the wide variety of uses for solid state equipment all persons responsible for applying this equipment must satisfy themselves that each intended application of this equipment is acceptable Throughout this manual when necessary we use notes to make you aware of safety considerations ATTENTION Identifies information about practices or circumstances that can lead to personal injury or death property damage or economic loss Attentions help you identify a hazard avoid a hazard and recognize the consequence IMPORTANT Identifies information that is critical for a successful application and understanding of the product The CX RLY C module is built using a Micro810 12 Point Programmable Controller A more detailed description of how to install and use the Micro810 programmable controller may be found on the following link http ab rockwellautomation com Programmable Controllers Micro810 2 Overview
11. irectly to the master control relay These devices must be wired in series so that when any one device opens the master control relay is de energized thereby removing power to the machine Never alter these circuits to defeat their function Serious injury or machine damage could result 2 2 Preventing Excessive Heat For most of the applications normal convective cooling keeps the CX RLY C module within the specified operating range Ensure that the specified temperature range is maintained A proper spacing of the components within an enclosure is usually sufficient for heat dissipation In some applications a substantial amount of heat is produced by other equipments inside or outside the enclosure In this case place blower fans inside the enclosure to assist in air circulation and to reduce hot spots near the module Additional cooling provisions might be necessary when high ambient temperatures are encountered TIP Do not bring in unfiltered outside air Place the module in an enclosure to protect it from a corrosive atmosphere Harmful contaminants or dirt could cause improper operation or damage to components In extreme cases you may need to use air conditioning to protect against heat buildup within the enclosure 2 3 Mounting Dimensions Mounting dimensions do not include mounting feet or DIN rail latches P f 59 mm 2 32 in H t 74 85 mm 2 95 in The module can be mounted using the following DIN rails
12. l noise 2 6 Status Indicator of the module State sid During Operation Off No power applied to device or in Fault mode Solid green Device operating normally Flashing green Operating System error 3 CX RLY C SPECIFICATION Number of I O 8 Input 4 digital 4 analog digital 4 Output I O rating Input 24V DC 8 mA Shipping weight approx 0 203 kg Wire size 0 32 2 1 mm 22 14 AWG solid copper wire or 0 32 1 3 mm 22 16 AWG stranded copper wire rated 90 C insulation max DC Inputs On state current min 0 75 mA 10 8V DC 1 0 mA 15V DC Analog Inputs Overall accuracy 2 of full scale with calibration 25 55 C RelayOutputs OCS Environmental OOO Temperature operating IEC 60068 2 1 Test Ad Operating Cold IEC 60068 2 2 Test Bd Operating Dry Heat IEC 60068 2 14 Test Nb Operating Thermal Shock 0 55 C Surrounding air 55 C temperature max Temperature storage 40 85 C IEC 60068 2 30 Test Db Unpackaged Damp Heat 5 95 non condensing 2g 10 500 Hz 30g 30 g DIN Rail Mounted ESD immunity IEC 61000 4 2 4 kV contact discharges 8 kV air discharges CE European Union 2004 108 EC EMC Directive compliant with EN 61000 6 2 Industrial Immunity EN 61000 6 4 Industrial Emissions Access the module Configuration Menu Press ESC and OK at the same time to access the Main Menu screen Accessing this menu when the machine is running ca
13. n lead to personal injury or death property damage or economic loss Before accessing this menu be sure that the machine is not running For safety reasons the Configuration menu is password protected 4 Functional description 4 1 Channel configuration WARNING Before you configure and wire any device disconnect power to the module The CX RLY C module can be configured to accept 1 2 3 or 4 analogical inputs Inputs 2 3 and 4 can be disabled In the channel configuration there are a few restrictions Channel 2 can be disabled only if channels 3 and 4 are also disabled Channel 3 can be disabled only if channel 4 is also disabled Channel 4 can be disabled without any restriction To disable a channel just connect the selected input to 24 V In the following tables are presented the options Table 1 Channel 4 disabled Input Connection O o To analogical source 0 5V dc or 1 5V A2 To analogical source 0 5V dc or 1 5V A3 To analogical source 0 5V dc or 1 5V A4 Connect to 24V Table 2 Channel 3 and 4 disabled input Connection CM2 To analogical source 0 5V de or 1 5V TAIZ Connectto 24V ma Connecttos2aV Table 3 Channel 2 3 and 4 disabled input Connection mi2 Connecttoszav TAIZ Connecttos2aav ma Connecttoszav Table 4 All channels enabled input Connection To analogical source 0 5V dc or 1 5V A2 To analogical source 0 5V dc or 1 5V A3 To
14. nected to 24 V LOCK True 3 2 mm s Selection arrow sign P is not visible 4 1 mm s This hardware setting disables the access to the Setting screens Les unity S 4 3 2 The relay is inhibited l 02 Digital input is connected to 24 V INHIBIT True When the relay is inhibited the alarm condition is not evaluated and the relays will be placed in non alarm condition NC or NO depending on l 03 hardware status Normally it is necessary to place the CX RLY C module in this status only for troubleshooting 4 3 3 A channel is in alarm condition In the picture CH2 is in alarm status the measured value is above the set Warning CH3 is also in Danger status The correspondent relay will act only when the delay time will expire 4 4 GENERAL setting screens Accessing this menu when the machine is running can lead to personal injury or death property damage or economic loss Before accessing this menu be sure that the machine is not running CX RLY C accepts two voltage ranges 0 5 V dc or 1 5 V d c To access this screen from the Main screen just press ESC for 3 seconds 4 4 1 INPUT CONFIG SCREEN Use A V arrows to change the voltage input range INPUT CONFIG Press OK to save the settings 2 5 W E Press ESC to exit to the Main screen save OK NOTE 1 5 V setting is suitable for Loop Vibration Sensor having a 4 20 mA 4 Main Next gt output Press lt to return to the Main screen Press
15. t RLY1 RELAY 1 free contact can be set to NC or to NO RLY2 RELAY 2 free contact can be set to NC or to NO RLY3 RELAY 3 free contact can be set to NC or to NO RLY4 RELAY 4 free contact can be set to NC or to NO l Al2 Al3 and Al4 analogical inputs can be used to disable Channel 4 3 and 2 See 4 1 Channel configuration paragraph 2 5 Analog Channel Wiring Guidelines Consider the following when wiring your analog channels e The analog common COM is connected to power supply common inside the module These terminals are not electrically isolated from the system e Analog channels are not isolated one from each other e Use Belden 8761 or equivalent shielded wire e Under normal conditions the drain wire shield should be connected to the metal mounting panel at field side earth ground Keep the shield connection to earth ground as short as possible e To ensure an optimum accuracy for voltage inputs just limit the overall cable impedance by keeping all analog cables as short as possible Locate the CX RLY C module as close to your vibration converter as possible NOTE Inputs on analog channels employ digital high frequency filters that significantly reduce the effects of electrical noise on input signals However because of the variety of applications and environments where analog controllers are installed and operated it is impossible to ensure that the input filters will remove all environmenta
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