ESD CAN-Repeater User manual
CAN-Repeater
Passive I- and Y-Repeater for CAN
!
"#$%&' ()*
esd electronic system design gmbh
Vahrenwalder Str. 207 • 30165 Hannover • ermany
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 t pe
number: #*
Hardware version: E>#
Document Histor
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Classification of Warning Messages and Safet Instructions
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INFORMATION
INFORMATION
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Safet Instructions
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Intended Use
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Table of contents
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1. Overview
Figure 1:O2---(.)N
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I
CAN 1_H
Physical
CAN
Layer
VCC (24V/DC)
GND 1
DC
DC
GND
(= GND2,
GND3)
120Oh
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
120Oh
120Oh
Y
Electrical Isolation
Voltage
controller
UEGM-
Screw Connector
DSUB9 front
DSUB9 upperDSUB9 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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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>#.
-
/,.-
-(.
7/86 (
C>#
)
-/
)) /1&(
C>#'
/1&()-/-/
7/86 (
C>#
)-1
-/
))
1/))
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C>#'O
2.1.2 CAN-Repeater-I-Opto and CAN-Repeater-Y-Opto
LED Colour Function Indicator
State Description
C>#.
-
/,.-
-(.
7/86 (
C>#
)
-/=
)) /1&(
C>#'
/1&()-/
=-/
7/86 (
C>#
)-1
-/
)) /1&(
C>#'O
/1&()-1
-/-)-/
Table 1:#/--)C>#/7/867/86
2.2 Indication of RX-Signal Channel LEDs
LED Colour LED Indication when LED is on
C>#.
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1
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Table 2:#/--)=/-(,C>#/
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Hardware Installation
3. Hardware Installation
+,--/),-/-/
Step Procedure see
page
NOTICE
Read the safet instructions at the beginning of this document carefull ,
before ou start with the hardware installation!
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DANGER
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4. Technical Data
4.1 General Technical Data
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NOTICE
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Technical Data
4.2 CAN Interface
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-)/
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N$
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,
='.
.-- integrated in repeater, 120 Ω each!
Table 4:#),-)
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5. Connector Assignments
5.1 CAN 1 Interface with Electrical Isolation (P3)
/-(PQ !,-)-/-1-/
). , , 2/ +, /-( //-(. ) ,-/ -1 -/ -) -/
/0
< ./ -, - -/- ) , //-(. )
-)-//-0-,)-(,/(8
Device connector: #7AO;.
Pin Position:
Pin Assignment:
Signal Pin Signal
D9#
DC
D
!
D9#
*
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; 8
;-#7AO,0-,-,A''
Signal Description:
DDC -/)-1-/2
D9# )-),1/--))2
(')* "#$%&'
12345
6789
Connector Assignments
5.2 CAN-Networks without Electrical Isolation
,)-(,-//-(.),-)/
-,--/--//,-/-1-/).,,2/-
,&/-/-,FG/-(
-/1&-0-,N&/-/!
-)-,
--/- /-(/
-,PQ/-(
N
O &/-/
N
N!
Device connector:;-#7AO.
Pin Position:
Pin Assignment:
Signal Pin Signal
9#=
=DC
=D
!
9#=
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; 8
;-#7AO,0-,-,A''
Signal description:
=D=DC -/)-1-/-)/
-,--/-1
9#= )-),1/--)/)=
),'6/1&(=f
"#$%&' (8)*
12345
6789
5.3 Power Suppl (P4A, P4B, UEGM)
NOTICE
+, ./0#/1-, -
(-//(&(/
M
M
A/=&&(-S
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/-0)-/-,///-)8..g
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/-&1+,.-,/0/-():'6,/)
9#
NOTICE
-/not permissible),(,,/1&(-//-/'6
-,,/-/'6-/1),&-/)-/S
Figure 3:/1
( )* "#$%&'
Correct Wiring of Electricall Isolated CAN Networks
6. Correct Wiring of Electricall Isolated CAN Networks
<,--(-0/(-/>A#((-(.(-
.-0--1/-1-//0///-.-,&00/&
6.1 Standards concerning CAN Wiring
+,)=-0--1-2/-(-/),21/(,/),&-/=/-/
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0-,-(-7*;*//-(,-/)=-0--1./,//-0--1)
(2/-(0-(,/))/
1(-H-///,&/,/))--//-,
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/---(),0/
&)2/-(.(-./0(-&)/-(////,./1/.
0-(/---(/2-.0/())//(-/,-
/-(-(-1 Therefore the practical maximum number of nodes, bus length and stub
length are t picall much lower.
/,/,..-/-(--(,/-)--/),
7*;* +,/ ,-/ --( ,-/ )(/ /-0 , /- )/ ) , -&
//*8#&->
+,/-/.-7*;*))//-(-)-&(/$
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●+0).--()2.-)--/-()-(/-/
2)=-/
)/-02/0/-(-(,/-)--/)*8
#&->however it must be observed that it is strictl not recommended
to mix the wiring guidelines of the various specifications!
"#$%&' (!)*
6.2 Light Industrial Environment (Single Twisted Pair Cable)
6.2.1 General Rules
NOTICE
/(/,>A).-1),-),--(-/--,/
/-(/,-single-/-0/,.,,L-./)7*;*
7-(/,-double -/-0--(//-0-, //,
>A).-1/
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i..g,/0/+,&(&,-,/0/-
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"
,-/-/,/-(/DDC
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,-/--.),-(1Rhe0,/0,/-(/DC
DnotD9#
8j0/0///,///-0k.
72-(.0--)0-0(,
!j 1 0/ ). -/0-( // ) ,-/ 0 &- 0 /,- -/
..
Figure 4:--()-(,-/-&-.
(*)* "#$%&'
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
(female or male)
pin designation
connector case connector case
DSUB9 connector
(female or male)
pin designation
AN wire with connectors
Correct Wiring of Electricall Isolated CAN Networks
6.2.2 Cabling
●+&-/-,3///,/0k.
+&-0///1),-/&-/,),
2,.-F+.--#7AO;G0/
Figure 5:>=.)--(-,/-(/,-/-(-/--/
6.2.3 Termination
●.--/-/,/00,/),0/
)-(.--/-/,-,-/L-,-),
),0/-/,-/,/0/).---/)=
.--(
●;- #7AO.-- / -, -( .-- /-/ .
)./(,(&-0)./
●#7AO.--/-,./)./
-- )- , &-0 -)
.--(-()D9#-/L-
"#$%&' (;)*
CAN_L
CAN_GND
CAN_H
FE
CAN-DP/2CAN-CBX-DIO8 CAN-CBX-AI420
l
< 0,3
l
< 0,3
l
< 0,3
Fe ale Connector
Male Connector
Ter inator
with FE connector
Fe ale Ter inator
(Order-no.: C.1301.01)
T-Connector
C.1311.03
CAN cable
Order-no.: C.1323.03
CAN 0
CAN 1 T-Connector
C.1311.03
T-Connector
C.1311.03
CAN Board
CAN cable
Order-no.: C.1323.03
CAN cable
Order-no.: C.1323.03
Ter ination connector
"CAN-Ter ination-DSUB"
Order-no.: C.1303.01
Ter ination connector
"CAN-Ter ination-DSUB"
with fe al and ale contacts
(Order-no.: C.1303.01)
e.g.
CAN-PCIe/402,
PMC-CAN/400,
CAN-USB/2, etc.
CAN_GND connected
to functional earth (FE)
at exactly one point
6.3 Heav Industrial Environment (Double Twisted Pair Cable)
6.3.1 General Rules
+,)-( general rules ),--(-,/-(/,- double -/-0
/,0)$
01-,&-.)0Rhe-,L///-
i..g,/0/+,&(&,-,/0/-
<,&1-/-&-./)-0
"
"
"
-/-/,/-(/DDC
,,-/-/,)-D9#
,0/,-)-,<>/-
+,)-D9#,/0,)-,<>=1 one
-
'0/-./0,=-$/,0/0/,/0.--,,
,-/--.),-(1Rhe0,/0,/-(/DC
DnotD9#
8j0/0///,///-0k.
72-(.0--)0-0(,
!j10/).-/0-(//),-/0&-0/,-0/
..
Figure 6:--(),&1-/-&-.
()* "#$%&'
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
(Exa ple)
Signal assignment of single shielded double twisted pair cable
with earth and termination
n.c. = not connected
DSUB9 connector
(female or male)
pin designation
connector case
DSUB9 connector
(female or male)
pin designation
AN cable with connectors
connector case
earth (FE)
This manual suits for next models
8
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