Terminal
Blocks
for
DIN
Plug~ln
Modules
-·---
Solder=
Eye/
Slide=On
Terminal
Block
Screw
Terminal
Block
Plug-in modules that
do
not
have BNC connectors have
DIN
connectors
to
which terminal blocks mate
for
user connections. The terminal blocks
can
be
one
of
two
types. The solder-eye/slide-on terminal block
is
supplied with
DIN
modules having an
"A"
suffix in its model number
(e.g.
the
HP
34502A).
The
screw terminal block
is
supplied with modules having a
"B"
suffix
(e.g.
the
HP
34502B).
The
solder-eye/slide-on terminal block
is
supplied with the
"A"
suffix modules
that
have DIN connectors. You
can
connect field wiring
to
this terminal
block
in
two
ways:
1)
Soldering the wires directly to the terminals
after
wrapping
through the solder-eye
or
2)
Connect
slide-on blades (Panduit
Part
No.
DNF18-111FIB-C) to the field wiring and mate them to the slide-on terminals.
To
simplify the connection
of
wires by soldering or sliding on terminals,
remove
the connector from the housing. Remove the two mounting screws
that
hold
the
connector
to the housing. Wired connectors can
be
reinstalled by passing
them
(at an angle) through the rectangular mounting hole
from
inside the housing. See
Figure
32
for
an illustration
of
solder-eye/slide-on terminals.
NOTE
The slide-on blade will accept wire
ol
22
to
18
AWG.
18
AWG
=
1.02
mm
diameter.
0.823
mm'
cross sectional area; 22 A WG =
0.64
mm
diamter. 0.324
mm
2
cross sectional area.
The
screw-terminal block
is
supplied with the
"B"
suffix modules
that
have
DIN
connectors. These connectors will accept wire
sizes
up to
18
A WG.
After
wires
are connected to the terminal block,
the
silk-screening on the PC board
is
covered. The labels you installed on the screw-terminal connectors in terminal
block preperation help identify
the
connectors. The A-C-E notation corresponds
to
the A-C-E designations
of
the
module terminals (see module terminal block
label).
The
next section illustrates a wired terminal block with screw terminal
labels.
Installing the
HP
3235
45
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