Omron CRT1 - 10-2009, Operation Manual

Page: 135 / 675

111
Connecting External I/O for Slave Units
Section 3-6
Note When using a DCN4-MD4 Multidrop Connector to branch a Communications
Cable, bind together the loose wires where the cable comes out of the Hood
Cover. Wire the Communications Cable and loose-wire cable so that they do
not interfere with each other.
3-6-4 Connecting to Screw-less Clamp Terminal Blocks
For Slave Units with screw-less clamp terminal blocks, the terminal blocks can
be easily wired by inserting pin terminals. Follow the procedure below to con-
nect the external device cable to a screw-less clamp terminal block.
■
Applicable Pin Terminals
When wiring an external device cable to a screw-less clamp terminal block,
special pin terminals must be placed on the cable wires. The applicable pin
terminals are listed in the following table.
The pin terminal conductor should be about 8 to 10 mm in length.
■
Wiring to the Screw-less Clamp Terminal Block
Inserting Pin Terminals
Insert the pin terminal all the way to the back of the terminal hole.
Removing Pin Terminals
Press down the release button next to the terminal hole with a small flat-blade
screwdriver and pull out the pin terminal while the release button is down.
The following screwdriver is recommended for removing pin terminals.
Name Applicable wire size Crimp tool Manufacturer
H0.5/14 orange 0.5 mm
2
/AWG20 PZ6 roto Weidmuller Co. Ltd.
H0.75/14 white 0.75 mm
2
/AWG18
H1.5/14 red 1.5 mm
2
/AWG16
Conductor length: 8 to 10 mm
Model Manufacturer
SD0.6
×
3.5
×
100 Flat-blade
Screwdriver
Weidmuller Co. Ltd.
Insert the pin terminal all the way to the back.
Small flat-blade screwdriver
Release button