2 - 3
2 SETUP
No. 99MBC034B
2.2.2 Connecting the D-EV (External Display Unit)
If a D-EV (External Display Unit) is used, make the necessary
connections according to the following procedure.
(1) Connect the RS LINK OUT connector of the EV Counter to
the RS LINK IN connector of the D-EV using an RS LINK
connection cable.
RS LINK
EV Counter D-EV
IN
RS-232C
OUT
RS LINK
IN OUT
RS LINK
connecting
cable (optional)
NOTE Always use the RS LINK connection cable specified by
Mitutoyo. Refer to section 8.3 Optional Accessories.
(2) To link more than one counter with the RS LINK connec-
tion cables, refer to chapter 6 RS LINK FUNCTION.
TIP The D-EV will display the data of the EV Counter which
is connected to the RS LINK IN connector of the D-EV.
2.2.3 RS-232C, I/O/BCD, and RS LINK connections
The EV Counter has an RS-232C connector, I/O/BCD connec-
tor, and RS LINK connector. If these connectors are used, refer
to chapter 5 RS-232C COMMUNICA-
TION FUNCTION; chapter 6 RS LINK
FUNCTION; and chapter 7 I/O FUNC-
TION for information about cable connec-
tions.
2.2.4 Connecting the power supply and grounding
The EV Counter and D-EV do not have a power switch. Power
is supplied by connecting the power source to the +V and -V
terminals on the power inlet terminal strip.
IMPORTANT Positively ground the grounding terminal.
