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Содержание 537-3000

Страница 1: ... 025 3000 December 1988 Data drawings and other material contained herein are proprietary to Computer Process Con trols lnc and may not be reproduced without the prior approval of Computer Process Controls Computer Process Controls lnc 1275 Kennestone Circle Suite 100 Marietta GA 30066 404 425 2724 CPC ...

Страница 2: ...remote locationrr feature will decrease the installation time and cost since only a communication cable is reguired to connect the 8RO to a 1 602 MCU Microprocessor Communications Power Requirement Field Outputs Features SPECIFICATIONS 8751 Microcontroller RS 485 Interface operationg at 1200 24OA 4800 or 9600 baud 10VAC 8 volt amps 0 8A from 2O volt center tap transformer 8 Outputs 24OV maximum 2A...

Страница 3: ... L 8RO Board Hardware Setup See FIG 3 a St Network Switches set the Expansion Bus Device ID and baud rate Switches L 5 define the board device number L 16 Each 8RO on the Expansion Bus must have a different device number but these device numbers are group independent so an 8RO and a t6O2 MCU may both be assigned device number L Set the device number using the table below ID POSITfON L2345 00000 l ...

Страница 4: ... JU1rJU2 JU3 set terminating resistance for the RS 485 communication bus DEVICES AT THE ENDS OF THE EXPANSION CO IMUNICATION BUS REQUIRE TERMINATING RESISTORS FOR PROPER OPERATION OF THE RS 485 LINE These jumpers are located on the 8RO board right next to the RS 485 communication terminal block The jumper positions depend on how the Bxpansion Communication Bus is wired Use FIG L and the configurat...

Страница 5: ...s A 2 conductor shielded wire 20 gauge Belden 9L54 or 16 gauge Belden 87L9 for long runs should be used to connect the transformer T1 to the 8RO Power Connectors 8RO Power Connectors 8RO r 8RO Z l l Acl i Ae1 1 r 2ovAc I T1 l oV z 0v 2 l_l Ac2 3 Ac2 3 e Connecting the Outputs Each of the I outputs is provided with a 2 pole terminal block used to connect the relays Even numbered terminal positions ...

Страница 6: ...ce number for the L6O2 and likewise toi tne 8RO Output Boards ItIake sure that the device number corresponds to the 8RO switches l 5 set on Sl 8RO Board Hardware Setup If the board does not exist enter a O for tundefinedrr b Network ON OFF Feature Select l 3 from the ttMain l enutr to display the rrNetwork lenu rt The ilResetrr option allows the Expansion Bus Network communication to be turned OFF...

Страница 7: ...occasionally the be needed Network errors Unacknowledged or Ivlessage Notice A1arm No Expansion Devices Node ONLINE 8RO ID 1 Token Pass Missed 8RO ID 1 No Response Node OFFLINE 8RO ID l Bad Msg Node OFFLINE 8RO ID l Bad CKSum Node OFFLINE 8RO ID 1 Alarm Notice Notice Alarm Alarm Alarm The rrNo Expansion Devicesrr Alarm means the Network is down due together a hardware or progralnming problem This ...

Страница 8: ...ing If an expansion board is disconnected from the Expansion Communication Bus powered down or goes OFFLINE for any reason the L6O2 will check on the board once a minute until it responds or is removed from the device definitions trsystem Infotr Menu 7 ...

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