User manual InterBus-S slave module
Contents
1. BUS S network the remote bus out connector is not used HITACHI 12 INTERBUS S Slave Module Communication module for H200 H250 H252 4 Indications The IBSS module status and INTERBUS S network status is indicated with four LED s on the front panel led Name Function PWR Power indication Lit when the IBSS module is operating normally otherwise turned off RC Remote bus Check Lit when the input cable is connected otherwise turned off Bus Active Lit when the INTERBUS S is running otherwise turned off ERROR indication Lit when a INTERBUS S ERROR has been detected when the INTERBUS S is restarted it is turned off HITACHI 13 INTERBUS S Slave Module Communication module for H200 H250 H252 5 Troubleshooting Common ERROR description The IBSS module is not A Check if the base has the working and the PWR LED is correct power supply not lit Check if the IBSS module is if correctly inserted in the base INTERBUS S ERROR A Check if all units in the INTERBUS S Network has power supply Check the INTERBUS S BUS cable 3 The INTERBUS S network is A Check if the IBSS module is updated correctly Check if the IBSS module is configured in the correct mode see section 3 Common ERROR description remote mode correctly rotary switches on the front panel is correct Check if the IBSS module is correctly inserted in the base The base is not updated Check if the slot se2. User manual InterBus S slave module Version 9810 1 02 HITACHI INTERBUS S Slave Module Communication module for H200 H250 H252 Table of Contents Section Page 1 INTERBUS S general information 2 INTERBUS S topology 2 Basic INTERBUS S remote bus specification 3 2 Technical specification 4 Features 4 General description 4 IBSS front panel 5 Link mode 6 Remote mode 7 3 Installation and configuration 4 8 Hardware configuration 8 Mode selection 9 Output hold 9 Slot selection 10 INTERBUS S remote bus cable 11 ASIVGICOMOMNS a e eener i ates re dere ala 12 5 Troubleshooting oy ons oe os Ae ee ewe or 13 Common ERROR description 13 Common ERROR description remote mode 13 HITACHI INTERBUS S Slave Module Communication module for H200 H250 H252 1 General INTERBUS S information This section contains a short technical and functional description of the INTERBUS S standard For a more detailed description please consult the INTERBUS S specification INTERBUS S topology HOST Master Mail Local bus max 10m eee max 1 5m max1 5m Installation remote bus max 50m Remote bus max 12 8 km Remote bus segment max 400m Figure 1 INTERBUS S topology HITACHI 2 INTERBUS S Slave Module Communication module for H200 H250 H252 Basic INTERBUS S remote bus specification General The remote bus bridges the large distance
3. erate as a slave unit of remote bus type on an INTERBUS S network The IBSS module can be configured in two different modes of operation Link Mode and Remote Mode The mode is selected by a DIL switch on the module See the following pages for detailed explanation of each mode For the programmer the IBSS module acts like a normal I O module when it is configured in Link mode and as a normal remote module when it is configured in Remote mode The IBSS module is easy to use and to configure The front panel with LED Light Emitting Doide indications gives the user a good overview of the module status HITACHI 4 INTERBUS S Slave Module Communication module for H200 H250 H252 IBSS front panel The IBSS front panel contains all INTERBUS S indications and most of the common used setup features See the following pages for more information concerning setup and indications PWR Power indication RC Remote bus Check BA Bus Active ERR ERROR indication Rotary switches Sot configuration Reconfiguration button Bus connector Remote bus out 9 pol female D SUB g e F 2 S Bus connector Remote bus in 9 pol male D SUB NI 3 LOISY HITACHI INTERBUS S SLAVE Figure 2 IBSS front panel HITACHI 5 INTERBUS S Slave Module Communication module for H200 H250 H252 I O Link Mode In I O Link mode the IBSS module works like a I O unit in a base with a CPU The IBSS module receives 4 words o
4. f input data 64 bits and transmits simultaneously 4 words of output data 64 bits over the INTERBUS S Network The number of received and transmitted I O words can not be changed The CPU can access the IBSS module as a normal word module with 4 input words and 4 output words Configure IBSS with W IO 4 4W WX00x0 WX00x3 and WY00x4 WY00x7 x depends on slot No The IBSS module shall be mounted close as possible to the CPU The IBSS module works together with H200 H250 and H252 CPU units from Hitachi The base can be a BSM or BSH type Several IBSS modules can be installed in the same base PWR BA 2 al fe e HITACHI INTERBUS S SLAVE Remote BUS IN J Remote BUS OUT Figure 3 Link mode configuration HITACHI 6 F fd o m e S NI 3LOW3a INTERBUS S Slave Module Communication module for H200 H250 H252 HITACHI 7 INTERBUS S Slave Module Communication module for H200 H250 H252 Remote Mode In Remote mode the IBSS module operates like a remote unit in a base without a CPU IBSS receive 0 4 words of data 0 64 bits and simultaneously transmits 0 4 words of data over the INTERBUS S network The IBSS module also transfers data to and from standard Hitachi I O modules in the base The base can only be a BSM type e The Input modules are always installed closest to the IBSS The number of input modules 0 4 are selected by rotary switc
5. figuration switch is mounted upside down on the circuit board HITACHI 9 INTERBUS S Slave Module Communication module for H200 H250 H252 The DIP switch controls the following functions Example ON Link mode i Output hold OFF EE E 1 PARES A Mode selection 4 Output hold Not used Figure 6 IBSS configuration switch top view Mode selection The IBSS operation mode is controlled by bit 1 on the configuration switch see fig 6 The IBSS module will operate in e Link mode when switch 1 is in ON position e Remote mode when switch 1 is in OFF position Output hold The output hold functions freezes the output values of the module when a INTERBUS S network ERROR occurs If the output hold function is disabled the output values will be set to zero if a INTERBUS S network ERROR occurs The output hold function is valid in both Remote mode and Link mode operation The output hold configuration is controlled by bit 2 on the configuration switch see fig 6 The IBSS module will operate with e enabled Output hold function when switch 2 is in ON position HITACHI 10 INTERBUS S Slave Module Communication module for H200 H250 H252 e disabled Output hold function when switch 2 is in OFF position Slot selection When the IBSS module is configured in Remote mode the module handles the updating of data to and from standard Hitachi I O modules installed in the BSM base The
6. hes on the front of the IBSS module see section 3 e The output modules are always installed after the input modules The number of output modules 0 4 are selected by rotary switches on the front of the IBSS module see section 3 CUCO e e a m fe S e mr CU0O0o2 oe sd SS 7 NI 3aLOW3a HITACHI INTERBUS S SLAVE Remote BUS IN J l Remote BUS OUT Figure 4 Remote mode configuration HITACHI 8 INTERBUS S Slave Module Communication module for H200 H250 H252 3 Installation and configuration Hardware configuration The IBSS hardware configuration is done with a 4 pol DIP switch The DIP switch is located on the IBSS circuit board according fig 5 below bee en i ws g HOO 4 Pa IS H200 IBS S FE L i oo See HITACHI EUROPE PEPI INTERBUS S SLAVE A Configuration switch Figure 5 IBSS circuit board Note The con
7. lection correcily inserted in the base idl ema used configured in the correct HITACHI 14 INTERBUS S Slave Module Communication module for H200 H250 H252 mode see section 3 HITACHI 15
8. number of input modules 0 4 and output modules 0 4 mounted in the base are selected by rotary switches on the front of the IBSS module according fig 7 a gt lt gt N Rotary switch 1 Rotary switch 2 no of no of INPUT modules OUTPUT modules Reconfiguration button KA Figure 7 IBSS front panel configuration The IBSS module reads the rotary switch settings e When the system is powered up e when the reconfiguration button is pressed and the INTERBUS S network is inactive Note The input modules have to be mounted closest to the IBSS module in the base HITACHI 11 INTERBUS S Slave Module Communication module for H200 H250 H252 INTERBUS S remote bus cable The INTERBUS S network cables are connected to the IBSS module on the two 9 pol D SUB connectors on the front of the module There is one connector for remote bus IN from the previous INTERBUS S unit and one connector for remote bus out to the next INTERBUS S Unit The pin layout of the connectors follow the INTERBUS S standard The bus cable shield should be connected to the D SUB housing in both ends of the cable INTERBUS S Network cable to IBSS module From previous unit IBSS remote bus IN HS Oe ere LA Pe eo Sens 700 Grey fofo Pink Female INTERBUS S network cable from IBSS module IBSS remote bus OUT To next unit 00000 O Bes0 0 Female If the IBSS module is the last unit in the INTER
9. s within a system The entire remote bus can be up to 12 8 km in length from the host to the last Connected remote bus module This is achieved by dividing the whole remote bus into individual segments A remote bus segment consists of the transmission line remote bus cable and the bus module connected to it A remote bus segment can bridge up to 400 m The complete remote bus can thus be subdivided into 256 remote bus segments Basic remote bus specification Max length of remote bus segment 400 m Max bus cable length between Host and first remote bus module 400 m two remote bus modules 400 m Host and last remote bus module 12 8 km Transmission rate 500 kbits s Transmission medium RS 485 The scan time of the INTERBUS S system depends on the various factors and increases almost linearly with an increasing number of I O points However due to the efficiency of the INTERBUS S protocol it is predominantly determined by the number of I O points HITACHI 3 INTERBUS S Slave Module Communication module for H200 H250 H252 2 Technical specification Features INTERBUS S remote bus compatible Fast update time 32 units with 2048 I O points are updated in 7 2 ms Easy to install and configure Can be used in two different modes 1 Link mode operates like a link unit 2 Remote mode operates like a remote unit General description The Hitachi INTERBus S slave module named IBSS is designed to op
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