FC6A S
ERIES
MICROS
MART
U
SER
’
S
M
ANUAL
FC9Y-B1722
3-47
3: I
NSTALLATION
AND
W
IRING
Wiring the CAN J1939 Bus
This section describes the CAN port terminal arrangement, internal equivalent circuit, and specifications.
CAN Port Terminal Arrangement
Internal Equivalent Circuit
CAN J1939 Wiring
The specifications and wiring examples differ according to CAN protocol standard J1939-11 and J1939-15. Connect terminating
resistance (120
Ω
, 0.5 W or higher) between CAN_H and CAN_L at both ends of the main line when wiring the CAN port.
No.
Signal Wire
Details
1
SG
CAN external power supply (-)
2
CAN_L
CAN_L bus line (dominant low)
3
CAN_SHLD
CAN cable shield
4
CAN_H
CAN_H bus line (dominant high)
5
(V+)
CAN external power supply (+). (N.C. Not connected internally.)
*1 Internally connected to the SG via a resistor and capacitor connected in a series. (R = 1
Ω
, 0.68
μ
F)
CAN Protocol Standard
J1939-11
J1939-15
Communication Speed
250 kbps
Nodes
30
10
Cable
Wire Configuration
Twisted pair
Shielded
Unshielded
0.3 mm
2
to 0.82 mm
2
(AWG 22 to 18)
Applicable Standards
ISO 11898/1993
Characteristic Impedance
120
Ω
Cable Length
40 m maximum, stub 1 m maximum
40 m maximum, stub 3 m maximum
CAN Port
1
2
3
4
5
SG
CAN_L
CAN_SHLD
CAN_H
(V+)
SG2
SG2
SG2
SG2
SG2
SG1
SG2
0.68 μF
TXD
RXD
IC
CAN
Transceiver
Terminal Block
(Port 2)
Internally connected to
power supply terminal PE (FE)
VCC1
VCC2
VCC2
1 Ω
Isolated Circuit
Содержание MICROSmart FC6A Series
Страница 1: ...B 1722 8 FC6A SERIES User s Manual...
Страница 12: ...TABLE OF CONTENTS Preface 11 FC6A SERIES MICROSMART USER S MANUAL FC9Y B1722...
Страница 182: ...2 PRODUCT SPECIFICATIONS 2 152 FC6A SERIES MICROSMART USER S MANUAL FC9Y B1722...
Страница 434: ...8 INSTRUCTIONS REFERENCE 8 18 FC6A SERIES MICROSMART USER S MANUAL FC9Y B1722...
Страница 520: ...11 SD MEMORY CARD 11 54 FC6A SERIES MICROSMART USER S MANUAL FC9Y B1722...
Страница 554: ...13 TROUBLESHOOTING 13 26 FC6A SERIES MICROSMART USER S MANUAL FC9Y B1722...
Страница 567: ...FC6A SERIES MICROSMART USER S MANUAL FC9Y B1722 A 13 APPENDIX ASCII Character Code Table...