
INSTRUCTION MANUAL
DRT1-COM
COMMUNICATION UNIT
Thank you for purchasing this OMRON product.
This manual primarily describes precautions required in installing and
operating the digital controller. Before operating the product, read this
manual thoroughly to acquire sufficient knowledge of the product. Keep
this manual for future reference.
To ensure safe and correct use of this product, also read the following
manuals:
J3D713$3B#*")&"%)'#$"%&#$*"#/<$=,
J3D713$3B*('(#$*"#/<$=,
)63/0=D3;/<C/:A1/<03=0B/7<324@=;/<G%#'%$A/:3A=44713=@
dealer.
$%)
Items shown below are necessary for safe usage.
&:3/A3<=B3B63;1/@34C::G
$3D3@27A/AA3;0:3@3>/7@=@;=274GB63>@=2C1B
=<=BAC0;7BB63>@=2C1BB=/0<=@;/:A6=19=7<5A=;756B@3AC:B7<
faulty operation.
=<=BCA3B63>@=2C1B7<B634=::=E7<5>:/13A
&:/13AAC0831BB=717<51=<23<A/B7=<2CAB=@1=@@=A7D35/A3A>3
17/::GAC:47235/A=@/;;=<7/5/A
&:/13AAC0831BB=A>:/A67<5:7?C72=@=7:/B;=A>63@3
&:/13AAC0831BB=AB/B713:31B@717BG=@=B63@4=@;A=4A3D3@3<=7A3
#=C<BB63>@=2C1B1=@@31B:G
7BB63>@=2C1BB=/$@/7:1=@@31B:G
*A3B631=;;C<71/B7=<1/0:3B6/B7AA3>/@/B34@=;B63=<3CA324=@
high-tension lines.
D=721=<<31B7<5=@27A1=<<31B7<51/0:3AE7B6B63>=E3@%$=7<5A=
might result in trouble or faulty operation.
*A3B63>@=2C1BE7B67<1=;;C<71/B7=<A27AB/<13=4A>317471/B7=<A
*A3B63/>>=7<B321=;;C<71/B7=<A1/0:3
"=197<5%*<7B=<<31B7<51/0:3A
J34=@3BC@<7<5B63>=E3@%$;/93AC@3B6/BB63%*<7B=<<31B7<5
cables are firmly connected.
J3AC@3B6/B%7<B3@4/131=<<31B=@7A>@=>3@:G:=19327<B=>:/13
)756B3<7<5(1@3EA
)756B3<A1@3EAB=B63AB7>C:/B32B=@?C3B=>@3D3<B4/C:BG=>3@/B7=<
J<B3@</:>=E3@B3@;7</:A1@3EB756B3<7<5B=@?C3
B=$J;HB=954J1;I
J=;;C<71/B7=<1=<<31B=@A1@3EB756B3<7<5B=@?C3
B=$J;HB=954J1;I
:3/<7<5
$3D3@CA3>/7<BB67<<3@B=1:3/<B63>@=2C1B=7<5A=;756B;3:B=@
discolor the surface.
(3>/@/B3=;;C<71/B7=<&=E3@(C>>:G4@=;<B3@</:/<2%&=E3@
Supply.
■(&)%$(
●Ratings
=;;C<71/B7=<A&=E3@+=:B/53
=;;C<71/B7=<&=E3@C@@3<B
<B3@</:7@1C7B&=E3@+=:B/53
Internal Current Consumption
*<7B&=E3@=<AC;>B7=<
Inrush Current
Ambient Temperature
Ambient Humidity
Storage temperature
Installation
,3756B
B=+
AC>>:7324@=;1=;;C<71/B7=<A1=<<31B=@
;
AC>>:7324@=;1=;;C<71/B7=<A1=<<31B=@
B=++B=
;/F/B+
,;/F/B+
;/F
B=C
B=<=1=<23<A/B7=<
B=C
Mounted in a panel
5BG>
●6/@/1B3@7AB71A%*<7BCA
%C<7BA1=<<31B7=<A
'/B32&=E3@AC>>:G=CB>CB
Total distance
)=B/:%>=7<BA
(B/BCA:/5
8C<7BA;/F
,;/F()
;;/FE7B6;;/F
03BE33<3/16A:/D3A
>=7<BA
>=7<BA
●6/@/1B3@7AB71A=;>=CA
(:/D31=<<31B7=<A A:/D3A;/F
baudrate
500kbps
250kbps
125kbps
Networkdistance
(thickcable)
100mmax.
250mmax.
500mmax.
branchdistance
6mmax.
6mmax.
6mmax.
Totalbranchdistance
39mmax.
78mmax.
156mmax.
Network distance
B67<1/0:3
;;/F
;;/F
;;/F
■$%#$")*'
■(&".
The meanings of the MS, NS and TS display as follows.
LEDname
MS
NS
TS
State
Lit
Flashing
Lit
Flashing
Out
Lit
Flashing
Lit
Flashing
Out
Lit
Flashing
Lit
Out
LEDDisplayColor
Green
Red
−
Green
Red
−
Green
Red
−
3D713%>3@/B7=</:
3D7137<(B/<20G
)633D713$332A=;;7AA7=<7<5
*<1=D3@/0:3/C:B
#7<=@/C:B
$=B&=E3@32
Link OK On-line, Connected
On-line, Not Connected
@7B71/:"7<9/7:C@3
Connection Time-Out
$=B&=E3@32$=B%<:7<3
Normal
%*<7B3@@=@
%*<7B<B3@4/133@@=@
%D3@1C@@3<B4=@%C<7BA
Description
■#$(%$(C<7B;;
#=C<BB63>@=2C1B=</;;$@/7:CA7<5B63$@/7:/BB/16;3<B6==9
=<=B7<AB/::B63>@=2C1B7<>:/13AB=03B=C16320G/11723<BB=/D=72;/:
function caused by static electricity.
■$'/7:BB/16;3<B
Mount the product shown below.
■&(,)())$
●(,B=
Set the node address.
●(,
●(,
:E/GA%
●(,
(3BB63=CB>CBAB/B3=4%*<7BAE63<1=;;C<71/B7=<3@@=@=11C@A
%:3/@/1B=@G(3BB7<5
ON : Hold.
4/<%*<7B6/A/%""'AE7B16%*<7B6/D3>@7=@7BG=D3@B63
1=;;C<71/B7=<A*<7B7<%""'A3BB7<5
■,'$
●=<<31B7<5<B3@</:7@1C7B&=E3@(C>>:G
●Connecting Communication Cables
●=<<31B7<5%C<7BA
Terminating connector must be on the end unit.
&'*)%$($*($)&'%*)
,63<B63>@=2C1B7ACA32C<23@B6317@1C;AB/<13A=@3<D7@=<;3<B03:=E3<AC@3
adherence to limitations of the ratings and functions. Also, take countermeasures
for safety precautions such as fail-safe installations.
*A3C<23@17@1C;AB/<13A=@3<D7@=<;3<BE6716/@3<=B23A1@70327<B637<
struction manual.
*A34=@<C1:3/@>=E3@1=<B@=:@/7:E/G/7@1@/4BD3671:37<17<3@/B=@;3271/:
3?C7>;3<B3<B3@B/7<;3<B3?C7>;3<BA/43BG23D7133B1
*A34=@/>>:71/B7=<AE63@323/B6=@A3@7=CA>@=>3@BG2/;/537A>=AA70:3/<2
3FB3<A7D3A/43BG>@31/CB7=<A/@3@3?C7@32
(,
(,
(,
(,
(,
(,
Communications Speed
907BA/1B=@G(3BB7<5
907BA
907BA
setting impossible
(,
%
ON
%
ON
(,
%
%
ON
ON
;;;/F
;;;/F
f=@#
DRT1−COM
MS NS TS
No.
COMMUNICATION UNIT
+ −
+
DRT1−COM
MS NS TS
No.
COMMUNICATION UNIT
$@/7:/BB/16;3<B6==9
Communication Connector
<1:C32=;;C<71/B7=<&=E3@(C>>:G&7<A
Internal power Terminal
:=19*<23@B63=D3@
7A>:/G
%C<7B7<B3@4/13
Connector
&AE7B16*<23@B63=D3@
↑ON
&/<3:
$'/7:
$'/7:
$'/7:
&3@>3<271C:/@
DRT1−COM
MS NS TS
No.
COMMUNICATION UNIT
DRT1−COM
MS NS TS
No.
COMMUNICATION UNIT
DRT1−COM
MS NS TS
No.
COMMUNICATION UNIT
White(CANH)
Blue(CANL)
Black(V−)
Red(V+)
Shield wire
DRT1−COM
MS NS TS
No.
COMMUNICATION UNIT
::>7<A/@3/1B=@GA3BB=%
↑ON
%*<7B=<<31B7<51/0:3A
/BB/1632B=%*<7B
Terminating connector
/BB/1632B=B63=;;C<71/B7=<A*<7B
!/@/AC;/$/</8=(67;=5G=9C
Ky=B= />/<
OMRON Corporation
%#'%$")'%$(""
After Sales Support
<57<33@7<5(3@D713A3>/@B;3<B
%<3=;;3@13@7D3(16/C;0C@5"*(
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:3;3<13/CD3<C3*
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