Yoshitake CT-1 Product Manual page 12

【How to connect the signal cable to the pneumatic positioner】（In case of EP-1 type）
・When purchasing the goods with accessories, it is delivered by the structure with shown
in Fig. 6. Please draw the signal cable from the external DC signal connection port shown
in Fig.6. Connection way is 2 wire type. Please confirm and do wire the DC 4-20mA with
the external signal line.
*Terminal wiring method （See Fig.8）
①Remove the set screw of the terminal box (Use the hex wrench) and remove the
terminal box cover.
②Please connect the positive terminal of the terminal block located in the terminal
box to the positive line of external input line. (In case of negative terminal, please
connect the negative terminal of the terminal block located in the terminal box to
the negative line of external input line). To protect the positioner, earth the gland
earth terminal. When connecting, please tighten the terminal fastening firmly so
that there is no connection failure.
③After connecting the external line, tighten and fix the set screw after closing the
terminal box cover.
Terminal box
cover
Fig.8
Fig. 7
(Tightening torque: 0.25N · m)
Terminal
Set
connection part
screw
After
removing the
terminal box
cover
External input line [-]
And terminal fastening
bolts
-11-
block Gland earth
terminal
External input line [+]
And terminal
fastening bolts
Black wire
Red
wire
■ EPDT-318a ■