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CAN-Repeater
Passive I- and Y-Repeater for CAN
!
"#$%&' ()*
esd electronic system design gmbh
Vahrenwalder Str. 207 • 30165 Hannover • Germany
http://www.esd.eu
Phone: +49 (0) 511 3 72 98-0 • Fax: +49 (0) 511 3 72 98-68
N O T E
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Document file: $B+=B#2BAC7BBB>(-/,BDDD'
Date of print: *:
Document type
number: #*
Hardware version: E>#
Document History
+,,(/-,.-/0)),(/-,,//,(/-
,/--),)/ 1
Rev. Chapter Changes versus previous version Date
:
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Classification of Warning Messages and Safety Instructions
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DANGER, WARNING, CAUTION
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DANGER
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WARNING
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CAUTION
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NOTICE
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NOTICE
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NOTICE
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INFORMATION
INFORMATION
/-/.,-(-./)
(:)* "#$%&'
Safety Instructions
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DANGER
H/6(Risk of electric shock---,
-/-&/-,,-(,&(/-/-),/1/.-,-,,
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Conformity
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Warning: /-- ..--(,-/-&-.,.1/
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Intended Use
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Service Note
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Disposal
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1 ./ 0 , .) ) -// / -0
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Table of contents
7)1/-/'
&&-*
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N
N
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/-
:+,-#
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8/
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Overview
1. Overview
Figure 1:O2---(.)
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(*)* "#$%&'
CAN 1_H
Physical
CAN
Layer
VCC (24V/DC)
GND 1
DC
DC
GND
(= GND2,
GND3)
120Ohm CAN 1_L
CAN 2_H
GND 2
CAN 2_L
P1B
P3
P4A,
P4B
Physical
CAN
Layer
CAN 3_H
Physical
CAN
Layer
GND 3
CAN 3_L P2
Arbiter
CAN 2
CAN 3
CAN 1
120Ohm
120Ohm
N
Optional CAN Interface
(only '-Y' versions:
C.1330.03, C.1330.07)
Repeater-Y
versions:
C.1330.03,
C.1330.07
Repeater-I
versions:
C.1330.02,
C.1330.06
Optional Electrical Isolation
(only '-Opto' versions:
C.1330.06, C.1330.07)
Voltage
controller
UEGM-
Screw
Connector
DSUB9
front
DSUB9
upper
DSUB9
upper
Front View with Connectors and LEDs
2. Front View with Connectors and LEDs
Figure 2:<&-N/
7/,//-(./).(:)/-(//-(.),/
NOTICE
,F/-G( 0)1/-,,-/-)
,,S
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Front View with Connectors and LEDs
2.1 Indication of Status 5 V and Status CAN-5V LEDs
2.1.1 CAN-Repeater-I and CAN-Repeater-Y
LED Colour Function Indicator
State Description
C>#.
-
/,.-
-(.
7/'6 (
C>#
)
-/
)) /1&(
C>#:
/1&()-/-/
7/'6 (
C>#
)-1
-/
))
1/))
-1-/
-)&-0
C>#:O
2.1.2 CAN-Repeater-I-Opto and CAN-Repeater-Y-Opto
LED Colour Function Indicator
State Description
C>#.
-
/,.-
-(.
7/'6 (
C>#
)
-/=
)) /1&(
C>#:
/1&()-/
=-/
7/'6 (
C>#
)-1
-/
)) /1&(
C>#:O
/1&()-1
-/-)-/
Table 1:#/--)C>#/7/'67/'6
2.2 Indication of RX-Signal Channel LEDs
LED Colour LED Indication when LED is on
C>#.
-
/,.-
-(.
=/-(,
1
=/-(,/0-&, C>#'#
=/-(, =/-(,/0-&, C>#'
=/-(, =/-(,/0-&,
NN1
C>#'O
)- C>#'
Table 2:#/--)=/-(,C>#/
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Hardware Installation
3. Hardware Installation
+,-- /),-/-/
Step Procedure see
page
NOTICE
Read the safety instructions at the beginning of this document carefully,
before you start with the hardware installation!
:
DANGER
H/6(-/2)-/,2---,
-/-&/-,,-(,&(/-/-),/1/.-,-,,
>,+-/0-(
M
M
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(-/,H/&(7>C6-(>;'
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/,,0/,/0.-0,/Sesd))/
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,exactly one--,2
<-//,FI--()>-1/
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!
7-,,:6/1&(),
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Technical Data
4. Technical Data
4.1 General Technical Data
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T$ '.%:6
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:.%:6N
NOTICE
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M
M
A/=&&(-
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0/))--1(-/,H/&(7>C6
-(>;'0)1/-,,-/-
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O 2#7AO; (
2 !1
#7AO; (
2#7AO; (
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I-(, $ =(
N$ =(
Table 3:8+,-#
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Technical Data
4.2 CAN Interface
.0)
-)/
$
N$
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N$
N!$
2$ -/-1-/).,,-/
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0- C#
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-)
-0-
(,01-/-(
,
=:.
.-- Integrated in CAN-Repeater, 120 Ω for each CAN interface!
Table 4:#),-)
"#$%&' ()*
Connector Assignments
5. Connector Assignments
5.1 CAN 1 Interface with Electrical Isolation (P3)
/-(PQ !,-)-/-1-/
). , , 2/ +, /-( //-(. ) ,-/ -1 -/ -) -/
/0
< ./ -, - -/- ) , //-(. )
-)-//-0-,)-(,/('
Device connector: #7AO; (
Pin Position:
Pin Assignment:
Signal Pin Signal
D8#
DC
D
!
D8#
*
:
; '
;-#7AO ,0-,-,A::
Signal Description:
D DC -/)-1-/2
D8# )-),1/--))2
(:)* "#$%&'
12345
6789
Connector Assignments
5.2 CAN-Networks without Electrical Isolation
,)-(,-//-(.),-)/
-,--/--//,-/-1-/).,,2/-
,&/-/-,FG/-(
-/1&-0-,N&/-/!
-)-,
--/- /-(/
-,PQ/-(
N
O &/-/
N
N!
Device connector:;-#7AO (
Pin Position:
Pin Assignment:
Signal Pin Signal
8#=
=DC
=D
!
8#=
*
:
; '
;-#7AO ,0-,-,A::
Signal description:
=D =DC -/)-1-/-)/
-,--/-1
8#= )-),1/--)/)=
),:6/1&( =f
"#$%&' (')*
12345
6789
Connector Assignments
5.3 Power Supply (P4A, P4B, UEGM)
NOTICE
+, ./0#/1-,-
(-//(&(/
M
M
A/=&&(-S
--/,-,,,&0/))--1
(-/,H/&(7>C6-(>;'0)1
/-,,-/-
-//-01./)A>8/-(-,,/-(+,/
/-0)-/-,///-)'..g
+,/,&0//-(-,/.10,/-/),,/-(+,10
/-&1+,.-,/0/-()9:6,/)
8#
NOTICE
-/not permissible),(,,/1&( -//-/:6
-,,/-/:6-/1),&-/ )-/S
Figure 3:/1
()* "#$%&'
Correct Wiring of Electrically Isolated CAN Networks
6. Correct Wiring of Electrically Isolated CAN Networks
<,--(-0/(-/>A # ((-(.(-
.-0--1 /-1-// 0///-.- ,&00/&
6.1 CAN Wiring Standards
+,)=-0--1-2/-(-/.3/(,),&-/=/-/0/,
-(-/7*;* /,/@ *' #&-@>
& 2-(&(),-/)=-0--10/1L-/2/-(,/-/,
--/)2./
/.// ,(-H-/,&,/)-,-/-)--/
0--//-,7*;*/+,1,&-.//1/.&/--/
-(,/--0//
& ,/-(-(2/ .(-./1/0)/-(///&
,-/1/.0-( /--/ 2-.0/ --))/(-/
,- /-(-(--/ Therefore, the maximum achievable number of nodes,
bus lengths and stub lengths may differ from the theoretically possible number!
/,/-.--/..-/)--(,/-)--/)7*;*
/--),/-)/),-&/-)--/ *' #&-
>-/.-,
+,/-/.--,7*;*/))//-(-)-&(/$
●-0-&/-(/-)--/
●--.-H-)///))---//,1/--.-/
●>/1.-0/,K/-//K/-))2
.-)--/0/,-(
) / -0 2/ 0 /-( -( , /-)--/ )
*' #&-> however it must be observed that it is strictly not
recommended to mix the wiring guidelines of the various specifications!
"#$%&' (!)*
Correct Wiring of Electrically Isolated CAN Networks
6.2 Light Industrial Environment (Single Twisted Pair Cable)
6.2.1 General Rules
NOTICE
/(/,>A).-1), -),--(-/--,/
/-(/,-single-/-0/,.,,L-./)7*;*
7-(/,-double -/-0--(//-0-,//,
>A).-1/
+,)-(general rules)--(-,/-(/,-single-/-0/,0
)$
/-0 0 1 -, & -. ) 0 R he -, L
///-i..g./0/+,&(&,-./0
/-
<-(,-/-&-.//-0 ,-/),-,./0
//-(/)/$
"
"
+-/-/./0//-(,/-(/D DC
+,0/,-./0,)-D8#
+,)-D8#./0,)-,<>=1
one-
: 0/-./0,=-$/,0/0/./0.--,
,,-/--.),-(1Rhe0,/0,
/-(/DCDnotD8#
' j0/0///,///-0k.
72-(.0--)0-0(,
! j10/).-/0-(//),-/0&- 0/,--/
..
Figure 4:--()-(,-/-&-.
(*)* "#$%&'
CAN GND
CAN_H
CAN_GND
n.c.
CAN_L 1
4
5
6
7
9
2
3
8
9
1
4
5
6
7
3
8
2
n.c.
n.c.
n.c.
n.c.
n.c.
n.c.
n.c.
n.c.
n.c.
n.c.
n.c.
n.c.
n.c.
earth (FE)
CAN_L
CAN_H
CAN_GND
Single shielded
twisted pair cable
(two-wire cable,
1x 2x 0.22mm²)
CAN_GND
(at wire shield)
Wire Layout
Signal assignment of single shielded twisted pair cable
with earth and termination
n.c. = not connected
DSUB9 connector
(socket or plug)
pin designation
connector case connector case
DSUB9 connector
(socket or plug)
pin designation
CAN wire with connectors
Correct Wiring of Electrically Isolated CAN Networks
6.2.2 Cabling
●+&-/-,3///,/0k.
+&-0///1),-/&-/,),
2 ,.-F+.--#7AO;G0/
Figure 5:>=.)--(-,/-(/,-/-(-/--/
6.2.3 Branching
●--,0/./0-H--+,/,.-
0/-&-/,0/0/+,-/-/.1-/01/+//
))/,+$
●).-=--)/-(-/0-/0/0-&-
/,,D8#--/-S
●#&--/).,0//0-H01,/()/
6.2.4 Termination
●.--/-/./00,/),0/ )-(
.--/-/-/,-),),0/ ,-/
-(.--./0/-/)=.--/-/
●;#7AO.--/-,-(.--/-/-/
/2/&-0)./
●<.--),0/(-(),D8# #7AO.-/-,
- / /2 / -,
--)-,&-0
"#$%&' (;)*
CAN_L
CAN_GND
CAN_H
FE
CAN-DP/2CAN-CBX-DIO8 CAN-CBX-AI420
l
< 0,3 m
l
< 0,3 m
l
< 0,3 m
Connector, socket contacts
Connector, contact pins
Terminator
with FE connector
Terminator, socket
(Order-no.: C.1301.01)
T-Connector
C.1311.03
CAN cable
Order-no.: C.1323.03
CAN 0
CAN 1 T-Connector
C.1311.03
T-Connector
C.1311.03
CAN Board
CAN cable
Order-no.: C.1323.03
CAN cable
Order-no.: C.1323.03
Termination connector
"CAN-Termination-DSUB"
Order-no.: C.1303.01
Termination connector
"CAN-Termination-DSUB"
with socket contacts and contact pins
(Order-no.: C.1303.01)
e.g.
CAN-PCIe/402,
PMC-CAN/400,
CAN-USB/2, etc.
CAN_GND connected
to functional earth (FE)
at exactly one point
Correct Wiring of Electrically Isolated CAN Networks
6.3 Heavy Industrial Environment (Double Twisted Pair Cable)
6.3.1 General Rules
+,)-( general rules ),--(-,/-(/,- double -/-0
/,0)$
/-0 0 1 -, & -. ) 0 R he -, L
///-i..g,/0/+,&(&,-./0
/-
<,&1-/-&-./)-0 ,-/),-,./0
//-(/)/$
"
"
"
+-/-/./0//-(,/-(/D DC
+,,-/-/./0//-(,)-D8#
+,0/,-./0)-,<>/-
+,)-D8#./0,)-,<>=1
one-
: 0/-./0,=-$/,0/0/./0.--,
,,-/--.),-(1Rhe0,/0,
/-(/DCDnotD8#
' j0/0///,///-0k.
72-(.0--)0-0(,
! j10/).-/0-(//),-/0&- 0/,-
0/..
Figure 6:--(),&1-/-&-.
()* "#$%&'
CAN GND
CAN_L
CAN_H
CAN_GND
n.c.
n.c.
n.c.
n.c.
n.c.
n.c.
n.c.
n.c.
n.c.
n.c.
CAN_L
CAN_H CAN_GND
Shield
CAN_GND
twisted twisted
5
6
7
9
8
1
4
3
2
9
1
4
5
6
7
3
8
2
n.c.
n.c.
Single shielded
double twisted pair cable
(four-wire cable,
2x 2x 0.22mm²)
wire shield
Wire Layout
(Example)
Signal assignment of single shielded double twisted pair cable
with earth and termination
n.c. = not connected
DSUB9 connector
(socket or plug)
pin designation
connector case
DSUB9 connector
(socket or plug)
pin designation
CAN cable with connectors
connector case
earth (FE)
/