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Chapter 7 Daily and Periodic Inspection

7.1 Daily inspection

Verify the following items while the system is running. Please refer to Chapter 3 for detail of LED display, and

Chapter 6 for detail of error indication and countermeasure.

Table 7.1 Items for daily inspection of remote module

Item Inspection

method

LED Normal

status

Abnormal

status

Main cause of error

Confirmation of
operation

Watching POW

LED

RUN LED

Lighting Off

•

Power LED off: 5V DC power malfunction

•

RUN LED off: communication is stopped

Confirmation of
error

Watching HERR

LED

CERR LED

Off Lighting

/blinking

•

HERR LED on: breakdown of remote module

•

CERR LED on: time-out error

Confirmation of
communication data

Watching TxD

LED

RxD LED

Blinking

/lighting thinly

Always on
/always off

•

TxD LED off: breakdown of remote module etc.

•

RxD LED off: disconnection of line etc.

7.2 Periodic

inspection

Turn off the power for the external I/O circuits and remote system, check the following items.

Table 7.2 Items for periodic inspection of remote module

Item Method

All screws of connecter for communication are tight.

Tighten surly.

Removal of dust on case and connecter.

Removal with cleaner etc.

Periodic inspection must be done once every 6 months at least. Please bring the check cycle forward with

respondent to the installation environments such as the vibration and dust.

7 – 1

Содержание HIDIC EH150 EN-TRMME

Страница 1: ...HITACHI PROGRAMMABLE CONTROLLER Compact remote module Master EH TRMME Slave EH TRMLE APPLICATION MANUAL NJI 536A X ...

Страница 2: ...ault was caused by any of the items mentioned above the repair and examination cost are not covered If you have any questions regarding the warranty please contact either your supplier or the local Hitachi Distributor Depending on failure part examination might be impossible Ordering parts or asking questions When contacting us for repair ordering parts or inquiring about other items please have t...

Страница 3: ...tances items marked with may result in major accidents In any case they both contain important information so please follow them closely Icons for prohibited items and required items are shown below Indicates prohibited items items that may not be performed For example when open flames are prohibited is shown Indicates required items items that must be performed For example when grounding must be ...

Страница 4: ...the terminals while the power is on There is risk of electric shock z Structure the emergency stop circuit interlock circuit etc outside the programmable controller hereinafter referred to as PLC Damage to the equipment or accidents may occur due to failure of the PLC However do not interlock the unit to external load via relay drive power supply of the relay output module CAUTION z When performin...

Страница 5: ...at place in fire or short circuit the battery There is a risk of explosion or fire PROHIBITED z Do not disassemble or modify the unit These actions may result in fire malfunction or malfunction CAUTION z Turn off the power supply before removing or attaching module unit Electric shock malfunction or failure may result ...

Страница 6: ...Revision History No Description of Revision Date of Revision Manual Number 1 English first edition made from Japanese version NJI 536A 2009 10 02 NJI 536A X ...

Страница 7: ...O slots Normal remote method 4 4 4 2 5 Compression mode of slave module 4W 4W method 4 4 4 2 6 Compression mode of master module Compression remote method 4 5 4 3 Basic system configuration 4 6 4 3 1 System configuration Normal remote method 4 6 4 3 2 System configuration 4W 4W method 4 8 4 4 Replacement from H 200 250 252B 252C 4 10 4 4 1 Replacement with normal remote method 4 10 4 4 2 Replaceme...

Страница 8: ...l internal outputs in CPU module 6 2 6 3 Operation parameters related to remote system 6 3 6 4 Function of reset switch 6 3 6 5 Error detection and running of CPU 6 4 6 6 Troubleshooting 6 6 Chapter 7 Daily and Periodic Inspection 7 1 to 7 2 7 1 Daily inspection 7 1 7 2 Periodic inspection 7 1 ...

Страница 9: ...MEMO ...

Страница 10: ...ystem of EH 150 EH 150 APPLICATION MANUAL NJI 281 X EH 150 series Programming software H SERIES LADDER EDITOR for Windows INSTRUCTION MANUAL NJI 342 X A final number of the manual number may change according to updating version 1 1 Supported CPU modules and programming software Compact remote module EH TRMME EH TRMLE can be used with CPU and programming software shown in Table1 2 Table 1 2 Support...

Страница 11: ... in the case of setting REMOTE 2 you must select EH RMD REMOTE 2 in Others tag In the case of X4Y4W you must select EH UKW X4Y4W in Distributed I O tag 1 In Others tag 2 Select EH RMD REMOTE 2 3 REMOTE 2 is assigned Figure1 1 I O assignment for remote master with control editor of unsupported version in the case of REMOTE 2 1 In Distributed I O tag Figure1 2 I O assignment for remote master with c...

Страница 12: ...any defects being discovered Table 1 3 List of accessories supplied with the EH TRMME No Product name Model name Appearance Numbers Remarks 1 Compact remote master module EH TRMME 1 2 Connector BL3 5 6F 1 Plugged in the connector for communication Made by Weidmuller 3 Instruction manual NJI 527 X 1 Table 1 4 List of accessories supplied with the EH TRMLE No Product name Model name Appearance Numbe...

Страница 13: ...it is possible to replace the modules step by step and partially For instance a program in CPU can be used without changing even if only a slave module is replaced and I O wiring for slave module is not required simultaneously even if only a master module is replaced 4 Fast response and high reliability The remote refresh time is approximate 2 5ms setting to high speed mode HS and 256 I O points A...

Страница 14: ...pulse width 100 ns 1μs Noise created by the noise simulator is applied across the power supply module s input terminals This is determined by this company s measuring method Based on NEMA ICS 3 304 with the exception of input module Static noise 3 000 V at metal exposed area Insulation resistance 20 MΩ or more between the AC external terminal and case ground FE terminal based on 500 V DC Dielectri...

Страница 15: ...n slave base Note 2 8 point 16 point I O module I O assignment is X16 or Y16 Dummy module I O assignment is Empty 16 32 point 64 point module analog I O module and high performance module communication modules etc cannot be mounted on the slave base Functional specifications Consumption current EH TRMME Approximately 150mA EH TRMLE Approximately 150mA Transmission speed 768kbps Transmission mode H...

Страница 16: ...n Remote slave unit RIOH DT 24VDC input 16points Transistor output 16points Cease in production H 200 250 252B 252C I O linkage REM LH2 Linkage capacity 128points 8words Cease in production Remote slave RIOM TL 128points 8words slave 8slots slave Cease in production EM EM II Remote slave unit RIOM DT 24VDC input 16points Transistor output 16points Cease in production HR 20DR 24VDC input 12points R...

Страница 17: ...s Total 128points Input 352points MODE 0 4W 4W I O 352points Output 352points Total 704points MODE 1 Y8W Output 128points Not available Input 64points MODE 2 4W 4W I O 64points Output 64points Total 128points Large H Remote I O MINI REM MMH MODE 3 X8W Input 128points Not available Input 128points H 200 250 252B 252C Remote master RIOH TM REMOTE I O 128points Output 128points Total 256points Cease ...

Страница 18: ...M and H 200 X32 EX XD64 64 points 24 V DC input X64 Do not mount on the slave base Note 1 EH XA16 16 points 100 to 120 V AC input X16 Digital input module EH XAH16 16 points 200 to 240 V AC input X16 EH YR8B 8 points relay output isolated contact point 100 240 V AC 24 V DC Y16 EH YR12 12 points relay output 100 240 V AC 24 V DC Y16 EH YR16 16 points relay output 100 240 V AC 24 V DC Y16 EH YT8 8 p...

Страница 19: ...X5Y3W EH POS 1 axis pulse positioning module X4Y4W Positioning and counter module EH POS4 4 axes pulse positioning module X4Y4W Do not mount on the slave base Note 1 EH ETH Ethernet module IEEE802 3 standard 10BASE T 8 units per CPU COMM ETH EH LNK CPU link module coaxial 8 units per CPU LINK EH OLNK CPU link module optical fiber 8 units per CPU LINK EH OLNKG CPU link module support optical fiber ...

Страница 20: ...s is a switch to set an operation mode HS refresh mode etc See next page 7 Connector This is a connector to connect a twist pair cable for connecting slave modules See next page or later 8 Side DIP switch This is a switch to set an operation mode the last channel number of master etc See next page or later LED LED name Indication Details POW Power supply Light up when 5V DC power is supplied to th...

Страница 21: ...esh mode for high speed EH TRMLE MODE MODE compatible mode selecting ON 4 3 2 1 HS MODE HOLD TERM Default setting ON Operation mode on remote communication for remote master module is set Compatible mode allows slave module EH TRMLE to connect with master slave stations for series other than EH 150 Always make sure that this switch is turned on that is the compatible mode MODE Position Compatible ...

Страница 22: ... B1 1 in all slots 3 Setting the last channel number of master 8 ON 3 4 6 7 2 1 5 Default setting all OFF The last channel number of the master station is set Refer to Chapter 4 for details Bit1 Bit2 Bit3 Bit4 Position Last channel No Bit1 Bit2 Bit3 Bit4 Position Last channel No OFF OFF OFF OFF 8 ON 3 4 6 7 2 1 5 0 OFF OFF OFF ON 8 ON 3 4 6 7 2 1 5 8 ON OFF OFF OFF 8 ON 3 4 6 7 2 1 5 1 ON OFF OFF ...

Страница 23: ...ch as the module abnormal occurred See Section 6 4 for details 6 Front DIP switch This is a switch to set an operation mode HS refresh mode etc See next page 7 Communication connector This is a connector to connect a twist pair cable for communication See next page or later 8 Bottom DIP switch This is a switch to set an operation mode the first slave number of slave etc See next page or later Desc...

Страница 24: ...de on remote communication for remote slave module is set Compatible mode allows slave module EH TRMLE to connect with master slave stations for series other than EH 150 Always make sure that this switch is turned on that is the compatible mode MODE Position Compatible mode selection OFF Undefined ON Compatible mode HOLD HOLD output hold function selecting ON 4 3 2 1 HS MODE HOLD TERM Default sett...

Страница 25: ...e can use the number of I O modules equal to the double number of occupancy slots of slave module setting with rotary switch 3 Slave first channel No setting 8 3 4 5 6 7 2 1 ON Default setting all OFF The first channel No of slave station is set Refer to Chapter 4 for details Bit1 Bit2 Bit3 Bit4 Position 1st channel No Bit1 Bit2 Bit3 Bit4 Position 1st channel No OFF OFF OFF OFF 8 3 4 6 7 2 1 ON 5 ...

Страница 26: ...tem with twisted pair cable by use many master modules per CPU Table 4 1 Using method of compact remote for each CPU CPU module EHV CPU16 32 64 128 EH CPU516 548 EH CPU104A 208A 316A Using method of compact remote Normal remote method Compression remote method 4W 4W method 4W 4W method I O assignment of master REMOTE 2 WORD 4W 4W WORD 4W 4W I O assignment of slave X16 Y16 Empty 16points B1 1 for a...

Страница 27: ...omposition of one channel 16 channels Figure 4 1 Composition of remote I O area and one channel 4 2 2 Master number and slave station number 1 Master number Master No Maximum four compact remote master modules EH TRMME can be mounted on slots those slot number are 0 to 7 as shown as Figure 4 2 in the case of setting I O assignment of master module REMOTE 2 In this case remote master number is sequ...

Страница 28: ...en slave modules 2 Transmission range of remote communication Occupied channels of master and slave are always refreshed to the same data by remote communication Unused channels are not transmitted by remote communication Therefore the remote refresh time depends on the number of occupied channels of master module as the formula 4 2 to 4 3 in Section 4 8 3 Specification method of occupied channels...

Страница 29: ... The compression mode of slave is a mode that compresses the data of the occupied slots and the image slots into half the occupied channels of the number of slots to correspond to this as shown in Figure 4 6 Therefore you can use image slots of the same number as the occupied slots It is allocated from the order with small channel number since slot No 0 of occupied slots of the slave base It is al...

Страница 30: ...lots In this case it is convenient to setting compression mode as Section 4 6 2 Occupied channels of master Input Output 0 X10000 Y10016 1 X10100 Y10116 2 X10200 Y10216 3 X10300 Y10316 I O assignment for remote base H 200 CPU Occupied channels of master Input Output 0 X10000 1 Y10016 2 X10100 3 Y10116 4 X10200 5 Y10216 6 X10300 7 Y10316 I O assignment for remote base EH 150 CPU Compression mode of...

Страница 31: ...Y10600 7 Y10700 8 Y11000 9 Y11100 A X11200 B X11300 C Y11400 D X12000 E Y12100 F Y12200 Channel No X10000 X17715 WX1000 WX1770 X20000 X27715 WX2000 WX2770 X30000 X37715 WX3000 WX3770 X40000 X47715 WX4000 WX4770 Setting of slave St No 0 0 U Slave St No 0 8 L Number of occupied slots 8 8 3 4 5 6 2 1 ON 7 Compression mode OFF First CH 0 Occupied Channels of slave St No 0 Input Output 0 X10000 1 X1010...

Страница 32: ...llows Bit input X Bit output Y Word input WX Word output WY Figure 4 10 I O number of I O module on remote slave base 10 There are Rotary switches and DIP switches on remote master module and slave module in order to set I O assignment of master slave St No and so on Please refer to Section 3 1 and 3 2 11 Set I O assignment with programming software to CPU module Please set I O assignment for all ...

Страница 33: ... on slave base 5 Maximum 4 slave modules can be connected to one master module Example of Figure4 12 is two slaves 6 Slave module must be mounted right side of power supply module 7 Master modules are mountable to limit of CPU ability 8 Master module is mountable on any slot on basic base and expansion bases Occupied channels of slave St No 0 Input Output 0 X0 X15 Y64 Y79 1 X16 X31 Y80 Y95 2 X32 X...

Страница 34: ...internal output like as M WM temporarily and transfer these data to external output later as shown in Figure 4 14 Figure 4 14 Sample program with bit I O numbers that exceed 95 11 There are Rotary switches and DIP switches on remote master module and slave module in order to set I O assignment of master slave St No and so on Please refer to Section 3 1 and 3 2 12 You cannot use operation parameter...

Страница 35: ...e I O assignment for master module from Remote to Remote 2 Figure 4 17 is an example of replacing all of master and slave modules with the EH 150 series It is also possible to leave all or partially slave modules like the H 200 series in order to postpone the wiring work of slaves In this case please turn off high speed refreshing mode HS of a front DIP switch of the master module and the slave mo...

Страница 36: ...X10000 1 X10100 2 Y10200 3 Y11000 4 Y11100 5 X11200 6 X11300 7 Y11400 Channel No Setting of slave St No 0 0 U Slave St No 0 3 L Number of occupied slots 3 8 3 4 5 6 2 1 ON 7 Compression mode OFF First CH 0 Setting of slave St No 1 1 U Slave St No 1 5 L Number of occupied slots 5 8 3 4 5 6 2 1 ON 7 Compression mode OFF First CH 3 Master module EH TRMME Y 16 Y 16 X 16 X 16 Y 16 Slave module EH TRMLE...

Страница 37: ...sion remote method output modules on occupied slots don t operate normally Please use normal remote method for this case and change I O assignment for I O modules on remote base from B1 1 to X16 or Y16 and change related I O numbers in program Figure 4 20 is an example of replacing all of master and slave modules with the EH 150 series It is also possible to leave all or partially slave modules li...

Страница 38: ...Slave St No 1 4 L Number of occupied slots 4 8 3 4 5 6 2 1 ON 7 Compression mode ON First CH 4 Master module EH TRMME Slave module EH TRMLE Slave module EH TRMLE Occupied channels of slave St No 1 Input Output 4 X11000 Y11016 5 X11100 Y11116 6 X11200 Y11216 7 X11300 Y11316 Channel No Occupied channels of slave St No 0 Input Output 0 X10000 Y10016 1 X10100 Y10116 2 X10200 Y10216 3 X10300 Y10316 Cha...

Страница 39: ... Y8W Unnecessary 8 8 Remote 2 Y16 Empty 16 8 7 Mode 2 Word 4W 4W Unnecessary 8 8 Word 4W 4W Unnecessary 8 3 Mode 3 Word X8W Unnecessary 8 8 Remote 2 X16 Empty 16 8 7 4 5 1 Replacement from Remote I O MINI with mode 1 Mode 1 of remote I O MINI is a mode that uses the remote output 128 points Figure 4 21 shows the system configuration example of Remote I O MINI with mode 1 for H 300 700 2000 302 702...

Страница 40: ...263 4 Y00264 Y00279 Channel No Setting of slave St No 0 0 U First CH 0 5 L Number of occupied channels 5 Setting of slave St No 1 5 U First CH 5 3 L Number of occupied channels 3 Occupied channels of master Input Output 0 Y00200 Y00215 1 Y00216 Y00231 2 Y00232 Y00247 3 Y00248 Y00263 4 Y00264 Y00279 5 Y00280 Y00295 6 WY0026 7 WY0027 Channel No Master module REM MMH Slave module RIOH TL Slave module...

Страница 41: ...xpansion bases because master module with I O assignment Word 4W 4W is not treated as remote module You can use the number of master modules up to ability of CPU by same reason Figure 4 24 System configuration example 9 of Remote I O MINI with mode 2 Occupied channels of slave St No 0 Input Output 0 X300 X315 Y364 Y379 1 X316 X331 Y380 Y395 Channel No Occupied channels of master Input Output 0 X30...

Страница 42: ...t 0 X300 X315 Y364 Y379 1 X316 X331 Y380 Y395 Channel No Setting of master 9 U I O assignment 9 4W 4W 2 L Number of slaves 2 8 ON 3 4 6 7 2 1 5 Compression mode OFF Final CH 3 Occupied channels of master Input Output 0 X300 X315 Y364 Y379 1 X316 X331 Y380 Y395 2 X332 X347 WY36 3 X348 X363 WY37 Channel No Setting of slave St No 0 0 U Slave St No 0 2 L Number of occupied slots 2 8 3 4 5 6 2 1 ON 7 C...

Страница 43: ...output modules below 4 per master module Figure 4 28 is an example of replacing all of master and slave modules with the EH 150 series It is also possible to leave all or partially slave modules like the H 200 series in order to postpone the wiring work of slaves In this case please turn off high speed refreshing mode HS of a front DIP switch of the master module and the slave modules Figure 4 26 ...

Страница 44: ...L Number of slaves 2 8 ON 3 4 6 7 2 1 5 Compression mode OFF Final CH 7 Setting of slave St No 0 0 U Slave St No 0 5 L Number of occupied slots 5 8 3 4 5 6 2 1 ON 7 Compression mode OFF First CH 0 Setting of slave St No 1 1 U Slave St No 1 3 L Number of occupied slots 3 8 3 4 5 6 2 1 ON 7 Compression mode OFF First CH 5 Master module EH TRMME Slave module EH TRMLE Slave module EH TRMLE X 16 X 16 X...

Страница 45: ...ve modules with the EH 150 series It is also possible to leave all or partially slave modules like the H 200 series in order to postpone the wiring work of slaves In this case please set the same value of first channel number and number of occupied channels with Figure 4 31 and please turn off high speed refreshing mode HS of a front DIP switch of the master module and the slave modules Figure 4 2...

Страница 46: ... E Y11600 Y11615 F Y11700 Y11715 Channel No Setting of master No 1 A U I O assignment A Remote 2 2 L Number of slaves 2 8 ON 3 4 6 7 2 1 5 Compression mode OFF Final CH F Setting of slave St No 0 0 U Slave St No 0 8 L Number of occupied slots 8 8 3 4 5 6 2 1 ON 7 Compression mode OFF First CH 0 Setting of slave St No 1 1 U Slave St No 1 8 L Number of occupied slots 8 8 3 4 5 6 2 1 ON 7 Compression...

Страница 47: ...ssignment for remote bases of this replaced system Figure 4 34 is an example of replacing all of master and slave modules with the EH 150 series It is also possible to leave all or partially slave modules like the EM EM II series in order to postpone the wiring work of slaves In this case please set rotary switch upper E for master module and all slave modules in order to match communication proto...

Страница 48: ... 0 X10000 1 X10100 2 Y10200 3 Y11000 4 Y11100 5 X11200 6 X11300 7 Y11400 Channel No Setting of slave St No 0 0 U Slave St No 0 3 L Number of occupied slots 3 8 3 4 5 6 2 1 ON 7 Compression mode OFF First CH 0 Setting of slave St No 1 1 U Slave St No 1 5 L Number of occupied slots 5 8 3 4 5 6 2 1 ON 7 Compression mode OFF First CH 3 Master nodule EH TRMME Y 16 Y 16 X 16 X 16 Y 16 Slave module EH TR...

Страница 49: ...hod for this case as shown in Figure 4 34 and set compression mode OFF for master module and all slave modules Figure 4 37 is an example of replacing all of master and slave modules with the EH 150 series It is also possible to leave all or partially slave modules like the EM EM II series in order to postpone the wiring work of slaves In this case please set rotary switch upper E for master module...

Страница 50: ... First CH 4 Master module EH TRMME Slave module EH TRMLE Slave module EH TRMLE Occupied channels of slave St No 1 Input Output 4 X11000 Y11016 5 X11100 Y11116 6 X11200 Y11216 7 X11300 Y11316 Channel No Occupied channels of slave St No 0 Input Output 0 X10000 Y10016 1 X10100 Y10116 2 X10200 Y10216 3 X10300 Y10316 Channel No Occupied channels of master No 1 Input Output 0 X10000 Y10016 1 X10100 Y101...

Страница 51: ...ng mode HS of a front DIP switch of the master module and the slave modules when new remote module and old remote module are used in same system In the case of mix with EM EM II station and EH 150 station please set E on rotary switch upper of slave module EH TRMLE in order to match communication protocol Setting of slave St No 0 0 U First CH 0 3 L Number of occupied channels 3 Slave module RIOH T...

Страница 52: ... channels 5 Slave module RIOH TL RIOM TL Y 16 Y 16 Y 16 X 16 Ｅ Setting of slave St No 0 0 U Slave St No 0 or E 5 L Number of occupied slots 5 8 3 4 5 6 2 1 ON 7 Compression mode ON First CH 0 Slave module EH TRMLE X 16 X 16 X 16 X 16 X 16 Ｙ 16 Ｙ 16 Ｙ 16 Replacement slave station only X 16 X 16 X 16 X 16 Occupied slots Image slots The image slot is used when the number of I O modules mounted on sla...

Страница 53: ...slave station is high speed it isn t influence in the response time of remote system Input lag time Output response time Please refer to EH 150 EHV CPU APPLICATION MANUAL or EH 150 APPLICATION MANUAL for these times of I O modules Reverse double transmission check and response time Compact remote system executes the check to the unit of one word 16 bits by reverse double transmission It is a mecha...

Страница 54: ...ote refresh time of each master station are stored in the unit of 1ms Note2 Set by system Cleared by system when power up Note 1 Time base of scan time in EH CPU104A 208A and 316A is 10ms Note 2 The remote refresh times are not stored when Word 4W 4W X4Y4W in the control editor is set with the I O assignment of master module EH TRMME Example of calculation Example of calculation for response time ...

Страница 55: ...Chapter 4 Basic functions and System configuration 4 30 MEMO ...

Страница 56: ... come out Note 2 Load the power module at the leftmost side of the base unit Note 3 Load the CPU module and I O controller to the left of the power module It can reinforce with the screw after installation Use M4 10mm screws in this case 2 Removing 2 1 3 1 Push in the lock button 2 With the lock button pushed in pull the top of the module toward the front 3 Raise it toward the top and pull it out ...

Страница 57: ...ule 5 3 Connection of twisted pair cables 1 Description of Communication connector Terminal configuration No Signal Signal name Internal circuit 1 A Transmitted and received data A 2 B Transmitted and received data B 3 SHD Grounding for cable 4 A Transmitted and received data A 5 B Transmitted and received data B 1 2 4 3 5 6 A A B SHD B SHD 6 SHD 1 A 2 B 3 SHD 4 A 5 B communication connector 6 SHD...

Страница 58: ...D 5 B 4 A 3 SHD 2 B 1 A 6 SHD 5 B 4 A 3 SHD 2 B 1 A Slave EH TRMLE Communication connector No is the pin number 6 SHD 5 B 4 A 3 SHD 2 B 1 A Slave EH TRMLE Communication connector No is the pin number No is the pin number Shielded twist pair cable Shielded twist pair cable Figure 5 5 Normal connection method Connection method 2 Connection method when enabling the replacement of slave module while o...

Страница 59: ...ation after error check of CPU and transmission of I O assignment data But this CERR is turned off when the communication is begun and the error history doesn t remain either Table 5 1 shows the typical time until communication error CERR of slave module disappears in this case when I O assignment of master module is REMOTE 2 The communication error CERR of slave module doesn t light even in the s...

Страница 60: ...rmally communication error CERR is automatically turned off Compact remote system executes the check to the unit of one word 16 bits by reverse double transmission It is a mechanism that only illegal word data is abandoned when the error is detected and correct data before is maintained And in this case communication error CERR is not displayed Table 6 2 Error indication of slave module EH TRMLE E...

Страница 61: ...ion error in slave ST No 4 Note 1 k Error channel No Number of times transmission error WRF088 WRF0A0 WRF0B8 WRF0D0 Detail information of transmission error in slave ST No 5 Note 1 k Error channel No Number of times transmission error WRF089 WRF0A1 WRF0B9 WRF0D1 Detail information of transmission error in slave ST No 6 Note 1 k Error channel No Number of times transmission error WRF08A WRF0A2 WRF0...

Страница 62: ...U continues running regardless of the setting of the remote transmission mode Note 2 Note 1 When the error is detected in check with reverse double transmission only illegal data are abandoned and last correct data is maintained Regardless of this error detection communication between master and slaves continues Note 2 Please refer to Section 6 5 when you want to stop running of CPU when power sup...

Страница 63: ...peration when breakdown in slave module occurs However when the inconvenience is caused in breakdown of slave cable disconnection and power supply OFF in slave please take the following means to detect these abnormalities Slave abnormal detection method 1 the case unnecessary of HOLD function When the HOLD function at communication fault CERR is unnecessary please wire one point input in slave sta...

Страница 64: ...X 16 X 16 Y 16 Return clock from Y10200 to X10000 R7E7 Y10200 X10000 Clock of one second Y11100 SS7 0 1s 15 X11000 SS8 0 1s 15 SS7 M200 Slave St No 0 normal If changing X10000 stops for 1 5 seconds or more the point of contact of SS is turned off because the edge start doesn t hang to the single shot timer If changing X11000 stops for 1 5 seconds or more the point of contact of SS is turned off be...

Страница 65: ... the output terminal d Supply power only for the power supply module e Connection between the power module and base unit Check the remote module a Connection between the remote module and base unit b Check connecter of remote module for base 2 HERR LED lights hardware abnormality HERR LED lights N Y It occurs even if turning on power supply again Setting of rotary switch is correct Set rotary swit...

Страница 66: ... in program is correct N Power supply of slave is turning on Setting of termination is correct Y Y Shielded twisted pair cable is recommended cable Y Set DIP switch in order to insert correct value of resister for terminator in both ends of master or slave modules connected in transmission line N Please connect the cable correctly Y Check slave module indicated transmission error with special inte...

Страница 67: ...gnment and I O numbers in program correctly Y Y I O assignment and I O numbers in program is correct But communication error CERR of slave module lights while master can t start communication after initial processing Refer to Section 5 4 for detail Set rotary switch and DIP switch of master and slave correctly Refer to Chapter 3 for details N Y Please connect the cable correctly N Y Shielded twist...

Страница 68: ...ng blinking HERR LED on breakdown of remote module CERR LED on time out error Confirmation of communication data Watching TxD LED RxD LED Blinking lighting thinly Always on always off TxD LED off breakdown of remote module etc RxD LED off disconnection of line etc 7 2 Periodic inspection Turn off the power for the external I O circuits and remote system check the following items Table 7 2 Items fo...

Страница 69: ...Chapter 7 Daily and Periodic Inspection MEMO 7 2 ...

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