Weld334m - User’s manual
10
2.2
Block diagram of 334m
The 334m can be divided into two separate functional blocks.
The first block is the basic part of the system and consists of the main cards, which must
always be installed, two internal fixed cards (power feeder and BUS) and three removable
ones (CPU, I/OB and ADC).
The second functional block consists of the additional configuration card pack: I/O
Expansion, Memory Card/Printer, EVS Proportional, Network.
Through these cards, the control device can:
•
Be configured for advanced or special applications which are used in the resistance
welding field
•
Be upgraded with optional functions such as proportional solenoid valves or o memory
card
•
Manage a serial communication port to the welding central unit
The block diagram is shown below.
WELD334m
I/O Expansion,
Communication
ports,
Drivers
ADC
Power feeder
CPU
Basic card pack
Modules
Base I/O
Additional cards pack
Display
B
U
S
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