DISTRIBUTED I/O
13 EN0B-0090
Terminal Block XSL513 for XFL521B/522B/523B
• Mechanical coding prevents mounting of improper
modules
• Mounts on a DIN-rail (top-hat rail)
• Spring-clamp terminals
• Safety latch secures XFL module in its position
The XSL513 Terminal Block has three rows of terminals:
Top row: 18 signal terminals (gray); function depending
upon the electronics module used (see the
respective Distributed I/O module des-
criptions).
Middle row: Twelve signal ground terminals (gray), con-
nected internally to electronics modules. Five
interconnected auxiliary terminals (brown)
Bottom row: Twelve PE terminals (green/yellow), connected
together to the DIN-rail. Six interconnected
auxiliary terminals (brown)
NOTE: Both rows of brown terminals are connected
internally but are not connected to the module.
Terminal Block XSL514 for XFL524B
• Mechanical coding prevents mounting of improper
modules
• Mounts on a DIN-rail (top-hat rail)
• Spring-clamp terminals
• Safety latch secures XFL module in its position
The XSL514 Terminal Block is intended for use only with the
XFL524B Digital Output module. It has three rows of
terminals.
Top row: 18 signal terminals (gray); function as
described for XFL524B.
Middle row: Eight interconnected auxiliary terminals
(brown), not connected to the module. Eight
interconnected auxiliary terminals (blue), not
connected to the module.
Bottom row: Seven PE terminals (green/yellow), connected
together to the DIN-rail.
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