4-4SectionI/O Connections
40
4-4 I/O Connections
Connect
the I/O Devices to the I/O Units using A
WG 22 (cross-sectional area of
0.3
mm
2
) for 19-terminal terminal
blocks and A
WG 22 to 18 lead wire (cross-sec
-
tional area of 0.3 to 0.75 mm
2
) for 10 terminal terminal blocks. The terminals
have
screws with 3.5-mm
diameter heads and self-raising pressure plates. Con
-
nect
the lead wires to the terminals as shown below
. T
ighten the
screws with a
torque of 0.8 N S m.
If
you wish to attach solderless type terminals to the ends of the lead wires, use
terminals having the dimensions shown below.
7
mm max.
7 mm max.
The terminal block of an I/O Unit can be removed by loosening the mounting
screws.
Y
ou do not have to remove the lead wires from the terminal block in or
-
der to remove it from an I/O Unit.
Locks for terminal block.
Unlock to remove the terminal
block from the I/O Unit. Make
sure the terminal block is
locked securely after wiring is
complete.
Terminal Block
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