2 Setting up a system
MX Modules A04089_07_E00_02 HBM: public 27
with each other. In the last module (which needs to be the CX27C-R or MX471C-R)
all signals are routed to Ethernet which is connected to a PC.
NOTE
Different supply voltage sources need to have the same reference potential and
should be in the same voltage range. Voltage drops occur as a result of cable
resistance and internal protective circuits; therefore, a considerably lower supply
voltage is applied to the last module in the chain. Make sure that at least 10 V is
applied to the last module.
NOTE
From source to sink, the modules must always be connected from FireWire port
X102 to X101 on the next module.
Multiple Ethernet connection with FireWire synchronization
The supply voltage for the modules is looped through FireWire in the configuration
shown below (max. 1.5 A through FireWire; for power consumption of one module
see specifications in data sheet).
The advantage of this connection structure is the other modules remain active if one
Ethernet cable is broken.
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