Chapter 16 Remote I/O Module AHRTU-ETHN-5A
16-7
At most 1 AH series main backplane, 7 AH series extension backplanes and 68 I/O modules are
connectable to AHRTU-ETHN-5A as shown in the following figure.
RTU -DN ET
Main backplane 7
Extension backplane 1
Extension backplane 2
Exten sion backplane 7
Communication cable for extension backplanes
Ps05 Module
I/O Module
AHRTU ETHN modules-
When an extension backplane is to be connected, follow the rule of connecting the first port of the
extension backplane to the last backplane and connecting its second port to the next extension
backplane.
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