TECHNICAL BULLETIN
Contents
1. 1 14 YADA MINAMI 5 CHOME HIGASHI KU NAGOYA JAPAN2. of the Safety Relay Module User s Manual 5 Safety outputs are turned off after the light curtain stops Configure the system considering the time described at 3 and 4 a MITSUBISHI ELECTRIC CORPORATION HEAD OFFICE TOKYO BUILDING 2 7 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN NAGOYA WORKS 1 14 YADA MINAMI 5 CHOME HIGASHI KU NAGOYA JAPAN TECHNICAL BULLETIN Issue No FA A 0047 Title Precautions for connecting a light curtain to the extension safety relay module Date of Issue October 2008 Relevant Models QS90SR2SP EX 2 Manual correction details 1 Section 3 4 Extension Safety Relay Module Specifications Table 3 6 Performance specifications of QS90SR2SP EX 2 2 External connection diagram page 3 11 Page 6 7 The connection device part within the external connection diagram will be corrected Correct Monitor circuit Start up a gt switch ET Incorrect Mco mCi x 24V IN Control D output 1 A OVIN Control Switches Safety light curtain Internal output 2 safety circuit GEG Safety rela Motor Z20 221 a MITSUBISHI ELECTRIC CORPORATION HEAD OFFICE TOKYO BUILDING 2 7 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN NAGOYA WORKS 1 14
3. 2 7 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN NAGOYA WORKS 1 14 YADA MINAMI 5 CHOME HIGASHI KU NAGOYA JAPAN TECHNICAL BULLETIN Issue No FA A 0047 Page 3 7 Title Precautions for connecting a light curtain to the extension safety relay module Date of Issue October 2008 Relevant Models QS90SR2SP EX 2 Precautions for selecting power supply Power of a light curtain is supplied from power supply connected between 24V SAFETY and 24G SAFETY of the main module via the COM terminal of the extension module If the current or voltage supplied from the COM terminal is insufficient operation of the light curtain cannot be guaranteed Select the power supply device which meets the following conditions Power supply output voltage 24 10 V Power supply output current Main module current consumption 85 mA Extension module current consumption 80 mA xX Number of extension modules Total amount of current consumption of light curtain X0 terminal input current 40 mA X1 terminal input current 40 mA X Number of light curtains mA or more 1 Control output current is not included If included subtract the control output current amount Calculation example A calculation example for the system with three extension modules and two light curtains is shown below In the example current consumption of each light curtain is assumed as follows Current consumption of light curtain A receiver 120 mA
4. YADA MINAMI 5 CHOME HIGASHI KU NAGOYA JAPAN TECHNICAL BULLETIN Issue No FA A 0047 Page 7 7 Title Precautions for connecting a light curtain to the extension safety relay module Date of Issue October 2008 Relevant Models QS90SR2SP EX 2 Section 5 4 Wiring Table 5 4 Connectable safety devices page 5 18 Some notes for connecting a light curtain to the QS90SR2SP EX will be added Contents of notes are the same as those given in Section 1 in this bulletin Incorrect Table 5 4 Connectable safety devices Module model Connectable device QS90SR2SP Q XO com Positive common e No voltage contact mechanical switch QS90SR2SP CC COM PoI common Light curtain of Type4 When using a light QS90SR2SP EX X1 curtain connect it to X0 and X1 X1 Input X1 QS90SR2SN Q_ xo OM nem QS90SR2SN CC e No voltage contact mechanical switch QS90SR2SN EX X14 COM Negative common X1 Input X1 Correct Table 5 4 Connectable safety devices Module model Connectable device QS90SR2SP Q X0 HOM Positive common pose commen e No voltage contact mechanical switch QS90SR2SP CC ONES eaaoAe Positive common Light curtain of Type4 When using a QS90SR2SP EX X1 x1 InoutX1 __ light curtain connect it to X0 and X1 QS90SR2SN Q Xo HROM Positive common QS90SR2SN CC COM ne aive common No voltage contact mechanical switch QS90SR2SN EX X1 g X1 Input X1 1 Outp
5. the extension module Emergency stop activated Emergency stop released I I h A _ Ficus ere Emergency stop Emergency stop main module X0 X1 released status activated status I I l l I 1 Start up switch M mode extension module XS0 XS1 i I i l l Light curtain beams blocked status Light curtain extension module X0 X1 i I I l l I i l l I I I i I I l l l I I I I I I i i i Safety output 4 extension module Z00 Z01 i i 5 I I I I I I I 1 I l l l i h i Safety output 4 extension module Z10 Z1 1 5 I I I 1 l l l l l I I I I I I I 1 k l l 1 l 1 I I I I I I 1 I 1 l l l l l I I I I I I l l Safety output 4 extension module Z20 Z21 15 1 Start up switch turned on Beams blocked Blocked status Start up switch terminated turned on again Light curtain started Figure 1 2 Operation time chart when a light curtain is connected 1 Confirm that the light curtain has started and then turn on the start up switch of the extension module 2 Light curtain start up time differs depending on the type of the light curtain 3 Light curtain stop time differs depending on the type of the light curtain 4 As for safety output response time time until output on is 50ms or less and time until output off is 20ms or less For details refer to Section 3 4 Extension Safety Relay Module Specifications
6. to the extension safety relay module Date of Issue October 2008 Relevant Models QS90SR2SP EX 1 Precautions for selecting power supply Power supply input of a light curtain will be connected to the COM terminal of the extension module Select a light curtain compatible with the specifications for the COM terminal and X0 X1 terminals of the extension module Table 1 1 Specifications for selectable light curtains Rated voltage 23 10 V Total amount of current consumption of light curtain One light curtain is connected 420 mA or less receiver Two light curtains are connected 340 mA or less ON voltage 20 0 V or more OFF voltage current 2 4 V or less 2 0 mA or less 1 Current consumption COM terminal output current 500 mA XO terminal input current 40 mA X1 terminal input current 40 mA X Number of light curtains The number of light curtains means the number of light curtains connected in one system One system means the system configured with one main module and one or more extension module s Specifications for the COM terminal of the extension module Rated voltage 23 10 V Output current Maximum 500 mA Specifications for the XO and X1 terminals of the extension module ON voltage 20 0 V or more OFF voltage current 2 4 V or less 2 0 mA or less Input current Maximum 40 mA Input voltage Maximum 26 4 V a MITSUBISHI ELECTRIC CORPORATION HEAD OFFICE TOKYO BUILDING
7. Current consumption of light curtain B receiver 210 mA Safety relay module specifications Main module current consumption 85 mA Extension module current consumption 80 mA X0 X1 terminal input current 40 mA Power supply output current mA gt 85 mA 80 mA x 3 120 mA 210 mA 40 mA 40 mA x 2 Power supply output current mA gt 815 mA As a result of the calculation it is concluded that power supply which has output current 815 mA or more is required for the system configuration in the above example 3 Precautions for connecting a light curtain When connecting a light curtain referring to the connection diagram shown in Figure 1 1 pay attention to the following a Light curtains cannot be connected to the main module and the extension module respectively at the same Only a KAET x switch such as an emergency stop can be connected as safety input of the main module b Up to three extension modules can be connected to one main module In this case however up to two extension modules are available for connecting a light curtain one light curtain per module ee pe tl For the third extension module only a switch such as an emergency stop can be connected c Power supply of a light curtain is cut off by turning on opening the contact of the switch which is connected to the input XO and X1 of the main module Check the time required for the light curtain to restart in the specification and prov
8. TECHNICAL BULLETIN Issue No FA A 0047 Page 1 7 Title Precautions for connecting a light curtain to the extension safety relay module Date of Issue October 2008 Relevant Models QS90SR2SP EX Thank you for your continued support of Mitsubishi programmable controllers MELSEC QS series This bulletin provides further information of the precautions for connecting a light curtain which has been informed in Clerical Errors in the Safety Relay Module User s Manual BCN P5719 A attached to safety relay modules released in and after July 2008 Contrary to the contents of the above mentioned notification a light curtain can be connected to the extension safety relay module QS90SR2SP EX by correctly wiring according to Section 1 Precautions for connecting a light curtain When connecting a light curtain to the extension safety relay module observe the precautions given in Section below 1 Output devices which have built in power supply and do not require external power supply from the COM terminal such as laser scanners are included Accordingly related sections in the manual SH 080746ENG B printed in June 2008 or earlier will be corrected For details refer to Section 2 in this bulletin Corrections will take effect in the manual SH 080746ENG C printed in November 2008 1 Precautions for connecting a light curtain When a light curtain is connected safety shutdown from the QS9OSR2SP Q or QS9OSR2SP CC hereinafte
9. ide an interlock until the restart of the light curtain is completed d When connecting a switch to the XO and X1 terminals of the main module wire the cables so that the cable length becomes within 10m for both between the X0 and COM terminals and between the X1 and COM terminals 1 Switch means a device whose condition between the COM terminal and XO or X1 terminal is short circuited when the switch is off the a MITSUBISHI ELECTRIC CORPORATION HEAD OFFICE TOKYO BUILDING 2 7 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN NAGOYA WORKS 1 14 YADA MINAMI 5 CHOME HIGASHI KU NAGOYA JAPAN TECHNICAL BULLETIN Issue No FA A 0047 Page 4 7 Title Precautions for connecting a light curtain to the extension safety relay module Date of Issue October 2008 Relevant Models QS90SR2SP EX contact is closed and that has no load to develop voltage drop in the closed circuit a MITSUBISHI ELECTRIC CORPORATION HEAD Seea TOKYO BUILDING 2 7 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN NAGOYA WORKS 1 14 YADA MINAMI 5 CHOME HIGASHI KU NAGOYA JAPAN TECHNICAL BULLETIN Issue No FA A 0047 Title Precautions for connecting a light curtain to the extension Page 5 7 safety relay module Date of Issue October 2008 Relevant Models QS90SR2SP EX 4 Time chart Figure 1 2 shows the operation timing of each device when safety shutdown is executed by the main unit in the system where a light curtain is connected to
10. r the main module may have been disabled depending on the wiring configuration due to specifications of the product To connect a light curtain without disabling the shutdown function wire the cables as the following connection diagram referring to the precautions in this section Precautions given in this section will be described under 5 Precautions for connecting a light curtain in Section 5 4 1 Precautions for safety devices and wiring of the Safety Relay Module User s Manual Extension module A COMO LJ Control PAVLIN output 1 X0 To th i dul o the main module Control 24G terminal OVIN output 2 a Safety light curtain Figure 1 1 Extension module light curtain external connection diagram Safety shutdown from the main module turns off inputs by cutting off input power supplied to the COM terminal of the extension module That is if the wiring is configured so that power of the light curtain is supplied from the COM terminal of the extension module power supply of the light curtain turns off and outputs of the extension module stops consequently in the event of the safety shutdown a MITSUBISHI ELECTRIC CORPORATION HEAD OFFICE TOKYO BUILDING 2 7 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN NAGOYA WORKS 1 14 YADA MINAMI 5 CHOME HIGASHI KU NAGOYA JAPAN TECHNICAL BULLETIN Issue No FA A 0047 Page 2 7 Title Precautions for connecting a light curtain
11. ut devices which have built in power supply and do not require external power supply from COM terminal such as laser scanners are included 2 When connecting a light curtain to the QS90SR2SP EX refer to the precautions under 5 in Section 5 4 1 a MITSUBISHI ELECTRIC CORPORATION HEAD OFFICE TOKYO BUILDING 2 7 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN NAGOYA WORKS 1 14 YADA MINAMI 5 CHOME HIGASHI KU NAGOYA JAPAN TECHNICAL BULLETIN Issue No FA A 0047 Page 8 7 Title Precautions for connecting a light curtain to the extension safety relay module Date of Issue October 2008 Relevant Models QS90SR2SP EX 3 Section 5 4 Wiring the text in 5 Connecting a light curtain page 5 19 The enclosed part of description will be corrected as follows Incorrect 5 Connecting a light curtain When connecting a light curtain to tife safety relay modyle connect it to XO and X1 sides as shown in Figure 5 9 Connect light curtain power supply and safety part power supply by their ground side or supply power from the same power supply Correct 5 Connecting a light curtain When connecting a light curtain to the connect it to XO and X1 sides as shown in Figure 5 9 Connect light curtain power supply and safety part power supply by their ground side or supply power from the same power supply a MITSUBISHI ELECTRIC CORPORATION HEAD OFFICE TOKYO BUILDING 2 7 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN NAGOYA WORKS
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