Siemens MJ-X Скачать руководство пользователя страница 16 | Manualshive

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12

6-32 x 3/8" Screw (6)

6-32 x 7/16" Male/Female
Standoff (6)

PCB

Cover Pan

MJ-X Base

Figure 5-4 Communications Module Installation in MJ-X

MJ-X Control Panel

Processor Board

Communications

Module

Membrane Switch Cable

Figure 5-5 Membrane Switch Cable Routing

7.

Mount the communications module pan cover (if provided) with six 6-32 x 3/8” screws as shown in Figure 5-
4.

8.

Plug the ribbon connector into J105 on the MJ-X Processor Board as shown in Figure 5-6.

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Содержание MJ-X

Страница 1: ...nual for MJ XL and MJ X Control Panels In Out Rxd Txd POWER Watchdog Communications Fiber Optic Communications Module Fiber Optic Communications Module Rxd Txd POWER Watchdog Communications RS 232 485 Communications Module G N D R T N R x d T x d C T S R T S Data RS 232 485 Communications Module ...

Страница 2: ...ound and tag circuits and equipment in accordance with established safety practices b Is trained in the proper care and use of protective equipment such as rubber gloves hard hat safety glasses or face shields flash clothing etc in accordance with established safety practices c Is trained in rendering first aid SUMMARY These instructions do not purport to cover all details or variations in equipme...

Страница 3: ...ROL PANELS 10 6 VERIFYING THE COMMUNICATIONS MODULE INSTALLATION 14 6 1 PERFORMING THE INITIAL DIAGNOSTIC CHECKOUT 14 6 2 PERFORMING THE LOOPBACK DIAGNOSTIC TEST 14 7 CABLING THE COMMUNICATIONS MODULE TO THE POWER SYSTEM 15 7 1 FIBER OPTIC CABLE TYPE 15 7 1 1 Fiber Optic Cable Lengths 15 7 1 2 Fiber Optic Connector 16 7 1 3 Fiber Optic Connections 16 7 2 RS 485 TWISTED PAIR CABLE 16 7 2 1 RS 485 C...

Страница 4: ... COMMUNICATIONS MODULE CABLE ROUTING 13 FIGURE 7 1 FIBER OPTIC CONNECTIONS 16 FIGURE 7 2 RS 485 CONNECTION 17 FIGURE 7 3 SCREW TERMINAL BLOCK CONNECTOR 17 FIGURE 7 4 RS 485 LOOP TOPOLOGY 18 FIGURE 7 5 PROPER SHIELD CONNECTIONS 19 FIGURE 7 6 COMMUNICATION CABLE ROUTING 19 FIGURE 7 7 RS 232 MULTI DROP CONFIGURATION 21 FIGURE 7 8 RS 232 CONNECTOR PINOUT 21 FIGURE 7 9 SCREW TERMINAL CONNECTION 22 FIGU...

Страница 5: ...trates the RS 232 485 Communications Module The fiber optic module enables connection of the tap changer control panel to the supervisory equipment via multimode fiber optic cable The RS 232 485 module enables connection of the tap changer control panel to the supervisory equipment via electrical wire The communications modules are installed in MJ XL Tap Changer Control Panels This allows you to e...

Страница 6: ...r optic cable The electrical signals are converted to optical signals by the communication unit The optical signals are then transmitted via the fiber optic cable to the RTU Communications modules in the path between the transmitting communications module and the RTU act as repeaters and simply regenerate the signals and forward them to the next device Figure 2 1 RTU Fiber Optic Cables MJ X MJ X M...

Страница 7: ...d open ended These are shown in Figures 2 4 to 2 6 The recommended network configuration is a loop This will ensure that all devices remain connected to the master unit in the event of a line break If the loop configuration does not allow you to place the equipment in the desired location connect the network open ended If either the star or open ended configurations are used termination resistors ...

Страница 8: ...ure 2 5 RS 485 Configuration Star Network RTU MJ X MJ X MJ X Twisted pair Cabling 4000 ft max total Figure 2 6 RS 485 Configuration Open Ended Network 3 Communication Protocols The MJ XL Control Panel is designed to be used in a network of intelligent power control devices communicating with a supervisory device or remote terminal unit RTU Each device on the network has a specific communications a...

Страница 9: ...are provided in the sections below 1 Turn off power to the MJ XL 2 Remove the MJ XL rear cover 3 Install the communications module 4 Set the communications module jumpers 5 Remount the MJ XL rear cover 6 Install the communications module label 4 1 Removing the MJ X L Rear Cover Turn off the power to the MJ XL and remove the four screws holding the rear cover to the case see Figure 4 1 below Uncurl...

Страница 10: ...ector P8 P9 Figure 4 2 Communications Module Installation 4 3 Setting the Communications Module Jumpers Prior to installing the communication module into the MJ X Control Panel ensure that the jumpers are properly installed on the printed circuit board Jumper selections for the Fiber Optic version and RS232 485 version are described in separate sections below 4 3 1 Fiber Optic Version The jumper l...

Страница 11: ...s are listed in Table 4 2 In an RS 485 application connect Signal Return RTN between the communication devices when there is a ground potential rise between the connected devices When the device RTN pins are connected jumper J11 should be Out unless required by safety codes to prevent ground loop currents If it is necessary to connect the RTN to GND after the Communications Module is installed you...

Страница 12: ...amp and slide the cable into place 4 5 Mounting the Communications Module Label Carefully punch out the indicator and connector holes in the communications module label Carefully remove the backing from the label and place it on the rear cover Make sure that the holes in the label are lined up with the indicator and connector holes on the rear cover When the label is in place rub the label to secu...

Страница 13: ... Setting the Communications Module Jumpers Prior to installing the communication module into the MJ X Control Panel ensure that the jumpers are properly installed on the printed circuit board Jumper selections for the Fiber Optic version and RS232 485 version are described in separate sections below 5 1 1 Fiber Optic Version The jumper locations on the fiber optic version are shown in Figure 5 1 T...

Страница 14: ...ound loop currents If it is necessary to connect the RTN to GND after the Communications Module is installed you can make this connection at the 8 pin terminal block connector with a wire jumper Table 5 2 RS 232 485 Board Jumper Settings Jumper Name Position Function Selected State Description 1 2 Receive Enable RS 485 receiver is always enabled J10 RS 485 RCV EN 2 3 Auto Enable RS 485 receiver is...

Страница 15: ... removing the rear cover 5 Remove the accessory cover plate from the rear cover Discard the accessory cover plate and mounting hardware If an Expansion Rack is installed in the accessory area remove the rack and discard 6 Mount the communications module printed circuit board to the MJ X base with six 6 32 x 7 16 standoffs Figure 5 4 Ensure that the membrane switch cable is folded over itself and u...

Страница 16: ...on in MJ X MJ X Control Panel Processor Board Communications Module Membrane Switch Cable Figure 5 5 Membrane Switch Cable Routing 7 Mount the communications module pan cover if provided with six 6 32 x 3 8 screws as shown in Figure 5 4 8 Plug the ribbon connector into J105 on the MJ X Processor Board as shown in Figure 5 6 ...

Страница 17: ... Rxd Txd CTS RTS POWER Wdog Comm Membrane Switch Cable Figure 5 6 MJ X Communications Module Cable Routing 10 Feed the PDS cable through the PDS strain relief opening in the rear cover 11 Reinstall the rear cover of the control panel attaching it using the six screws 12 Rotate the PDS strain relief plate to the closed position and tighten the screws for the strain relief plate 13 Follow the proced...

Страница 18: ...uld display INTERN for several seconds before changing to OFF If the display does not change to OFF then check the physical installation of the communications module and expansion rack again before proceeding Note When you try to change the CM Test value the MJ XL Control Panel may request that the password be entered If the default passwords are in effect then the password for the Diagnostics men...

Страница 19: ...ble connections Typically a DE 9 or DB 25 will be needed for making RS 232 connections to the RTU personal computer or other device Use the supplied Phoenix Contact Screw Terminal Block MSTBT 2 5 8 ST 5 08 for connections to the RS 232 485 module Use an ST optical connector when making connections to the fiber optic module 7 1 Fiber Optic Cable Type The recommended cable is 62 5 125 µm diameter fi...

Страница 20: ...making connections to the transmitter and receiver inputs outputs ensure that the transmit output from one device is connected to the receive input of the next device Figure 7 1 shows how to insert the connector The tip of the cable on the ST connector must be clean and free of dust Dust on the tip of the cable will cause signal attenuation Caution Use extreme care when handling the fiber optic co...

Страница 21: ...se between the connected devices connect the Signal Return RTN between the communication devices Figure 7 2 illustrates the preferred field device connection method See section 4 3 2 on page 7 for jumper considerations Data GND RS 485 Twisted Pair Cable RS 485 Twisted Pair Cable Shield attached at this end only Shield grounded at other end only From RTU or other device To next device MJ X Communic...

Страница 22: ...ee Figures 2 4 to 2 6 has advantages and disadvantages The loop method requires more cable that does the single ended run method This extra cable is needed to run from the last device on the run to the master device RTU The additional cable adds expense and shortens the total distance the farthest device can be located from the master device The advantage of the loop method is in the ability to co...

Страница 23: ...hown below Power conductors are any cables or bus conductors carrying currents greater than 20 amperes Current Flow Magnetic Field Around Conductor Electric Power Conductor Communication Cable Figure 7 6 Communication Cable Routing Electrical current flowing through a conductor forms a magnetic field around the wire as shown above Interference is coupled into the wires in the cable through electro...

Страница 24: ...ansmits data but the module will ignore the CTS input signal Table 7 2 RS 232 Intelligent Electronic Device Wiring MJ XL RS 232 485 Communications Module Personal computer supervisory device or other network device RTN Signal Ground RXD TXD TXD RXD Table 7 3 lists the connections that must be made to connect the MJ XL RS232 485 Communications Module to a modem Table 7 3 Modem Wiring MJ XL RS 232 4...

Страница 25: ...nal Return Signal Return Signal Return Signal Return TX RX RX RX RX TX TX TX RTU MJ X MJ X MJ X Figure 7 7 RS 232 Multi drop Configuration 1 1 6 9 5 13 14 25 Pin Pin 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 20 9 22 Signal Signal Ground Frame DCD Txd Txd Rxd Rxd RTS DTR CTS DSR DSR Ground Signal Ground Signal DCD RTS DTR CTS RI RI Shell Frame Ground For Shielded Cable Connectors Shell Frame Ground DE9 DB25 ...

Страница 26: ...y and then use the scroll keys to toggle the choices or set the value for the parameter Press the Save key after changing the value of a menu item to enter the changes or press the Cancel Reset key to cancel the change Each time a configuration menu item is changed the communications module is reset by the main MJ XL Control Panel This reset is part of the process of updating the communications mo...

Страница 27: ...sync time in characters 0 250 Tx En Delay Communications Module Transmit Enable Delay in milliseconds 0 250 DNP dl Confirm Confirm DNP Data Link No Yes CM SW Repeat En Enable software auto repeat in Comm Module No Yes CM Vers Communications Module software version X XX ...

Страница 28: ... parity selection will override any default or inherent parity defined in the selected protocol For example the 2200 protocol specification document defines the parity as even The Comm Parity configuration item allows even parity to be selected but it also permits the system designer installer to use an alternate parity selection if desired Comm Address This configuration item defines the communic...

Страница 29: ...e Configuration 7 6 2 Using MJXplorer to Troubleshoot Communications Problems The MJXplorer software is a menu driven application program that allows interfacing to the MJ XL Communications Module Since the current version of MJXplorer does not support networking only one MJ XL unit may be connected at a time For connecting an MJ XL Fiber Optic Communications Module to MJXplorer the Fiber Optic au...

Страница 30: ...er 2 2 2 3 3 3 4 4 5 5 7 6 6 7 7 8 8 RS 232 DE 9 RS 232 DE 9 RS 232 DE 9 OTx ORx In Out MJ X Fiber Optic Communications Module MJ X RS 232 485 Communications Module Power Supply Txd Rxd RTN RS 232 to Fiber Optic OTx ORx L L Figure 7 10 MJXplorer Troubleshooting Connections ...

Страница 31: ...ta provided in the fiber optic section was obtained using 62 5 125 µm cable Typical maximum and minimum lengths are given for normal and long range cable lengths Except for the maximum and minimum parameters the numbers provided are for room temperature The maximum and minimum lengths are for temperature extremes 8 1 Physical Dimensions Height 8 4 inches 21 34 cm Width 2 89 inches 7 34 cm Depth 2 ...

Страница 32: ...2 5 125 µm 5dB m Data Rate 5 Mbaud design 19 2 Kbaud tested Maximum Optical Power Budget 11 dBm Long Range 8 dBm Normal Range Typical Optical Power Budget 8 dBm Long Range 5 dBm Normal Range Minimum Optical Power Budget 4 dBm Long Range 1 dBm Normal Range Link Lengths Maximum Link Length 2 2 km Long Range 1 6 km Normal Range Typical Link Length 1 6 km Long Range 0 6 km Normal Range Minimum Link Le...

Страница 33: ......

Страница 34: ...Siemens Power Transmission Distribution Inc P O Box 6289 Jackson MS 39288 ...

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