Weld334m - User’s manual
70
Replacing the CPU card
The CPU card has its own (compulsory) position on the P1 of the bus and is connected to
the display module via a 10-way flat cable.
The P7 3-way connector does not take 24V I/O supply from the bus, it takes the privileged
power supply to power the programming unit from the RS485 port (P1).
How to replace the card:
1.
Switch off the machine and disconnect wiring.
2.
Disassemble the control device from the machine support.
3.
Remove the front panel by undoing the 3 fastening screws.
4.
Disconnect the card to be replaced paying utmost care in doing this operation.
5.
Disconnect the display connector from P3. Pay utmost attention in doing this.
6.
Check if the new card is fitted with the buffer battery for the permanent memory.
Verify jumpers on the connectors JP3 and JP6; they must be as follows:
JP3: 3-4 and 6-7 jumpers
JP6: 1-2 jumper
7.
Connect the display flat cable to P3 connector.
8.
Insert the new card onto the bus making sure that the P7 connector is fitted
correctly.
9.
Put the front part in place again making sure that the PS connector fits correctly into
the window then fasten the front panel with the screws.
10.
Re-install the control device onto the machine.
11.
Connect wiring again.
Replacing the power feeder
The power feeder card can be easily replaced. Check that the internal 250V, 1.5A fuse for
24VE supply is present before installing the new card.
How to replace the card:
1.
Switch off the machine and disconnect wiring.
2.
Disassemble the control device from the machine support.
3.
Remove the front part buy undoing the 3 fastening screws.
4.
Remove the 5 screws fastening the power feeder to the fastening brackets.
5.
Disconnect the power feeder from the bus.
6.
Check that network sync jumpers on the power feeder are set in the correct way
(internal or external, see paragraph 3.4).
7.
Connect the new power feeder making sure it fits properly into the connectors J1 and
J2 of the bus.
8.
Screw it down.
9.
Put the front part in place again making sure that the PS connector fits correctly into
the window then fasten the front part with the screws.
10.
Re-install the control device onto the machine.
11.
Connect wiring again.
Summary of Contents for Weld334m
Page 1: ...USER S MANUAL Weld334m HC HCM HIC HIM Ed 5 December 2004 Doc 39000326...
Page 6: ...Weld334m User s manual VI WHITE PAGE...
Page 14: ...Weld334m User s manual 8 WHITE PAGE...
Page 28: ...Weld334m User s manual 22 WHITE PAGE...
Page 30: ...Weld334m User s manual F351 BUS Interconnection card 24 WHITE PAGE...
Page 36: ...Weld334m User s manual F353 ADC Analogue Card 30 WHITE PAGE...
Page 40: ...Weld334m User s manual F364 SEV and F385 SEV Proportional Servovalve Modules 34 WHITE PAGE...
Page 42: ...Weld334m User s manual F359 MCP Memory Card and Printer 36 WHITE PAGE...
Page 54: ...Weld334m User s manual F356 IOE I O Expansion Card 48 WHITE PAGE...
Page 58: ...Weld334m User s manual F376 OPC Field Bus InterBus S Card 52 Card layout...
Page 61: ...Weld334m User s manual F386 Ethernet 100Base T and CANbus module 55 Card layout...
Page 62: ...Weld334m User s manual F386 Ethernet 100Base T and CANbus module 56 WHITE PAGE...
Page 64: ...Weld334m User s manual F383 COM RS422 Serial communication card 58 Card layout...
Page 73: ...Weld334m User s manual 67 APPENDIX...
Page 74: ...Weld334m User s manual 68...
Page 90: ...Weld334m User s manual 84 WHITE PAGE...
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