of
She e t
De s igne r
Re v:
Tit le :
Da t e
Te chnologic Sys t e ms
Mod Bus RS-485 a nd CAN Port s
RS-485 Drive r
RJ45
Modbus
13
TS-7680 Modbus a nd CAN
Se pt . 1, 2015
B
20
Powe r Swit ch
Modbus
CAN_0 Tra nce ive r
24V
CAN_1 Tra nce ive r
24V
TJA1040 a llows low
powe r 15 uA mode
C167
. 1 uF
4
TXD
1
RXD
3
TXEN
2
RXEN#
8
VCC
6
X+
7
X-
5
GND
U28
SP485EEN_SOIC8
R27
60. 4
R26
60. 4
RS-485
8
GND
7
12V-24V
6
12V-24V
5
DATA-
4
DATA+
2
GND
3
MODE
1
GND
9
SHLD
10
SHLD
J6
RJ45_RA_SHIELD_PJ031
R61
649
R62
649
FB24
220 ohm
FB22
220 ohm
FB19
220 ohm
FB18
220 ohm
TVS9
30V
R21
60. 4
R28
60. 4
2
1
3
Q16
2
1
3
Q14
D12
PF3
1500 mA
3
6
RN13-C
1. 5K
4
5
RN13-D
1. 5K
D
S
G
2
6
1
Q3-A
3
6
RN17-C
47K
1
8
RN13-A
1. 5K
2
7
RN13-B
1. 5K
4
RXD
1
TXD
5
VREF
8
EN#
3
VCC
7
CANH
6
CANL
2
GND
U25
TJA1040_SOIC8
C164
. 1 uF
2
1
3
TVS15
NUP2105L_SOT23
C127
. 1 uF
R20
60. 4
R19
60. 4
3
6
RN11-C
1. 5K
4
5
RN11-D
1. 5K
4
RXD
1
TXD
5
VREF
8
EN#
3
VCC
7
CANH
6
CANL
2
GND
U26
TJA1040_SOIC8
C166
. 1 uF
2
1
3
TVS16
NUP2105L_SOT23
C124
. 1 uF
R25
60. 4
R24
60. 4
4
5
RN28-D
10K
3
2
1
4
Q9
2
1
3
Q10
2
1
3
Q12
R67
4. 99K
R103
100K
R104
100K
15V
1
2
3
D54
ZENER_15V_SOT23
15V
1
2
3
D53
ZENER_15V_SOT23
3
6
RN14-C
1. 5K
4
5
RN14-D
1. 5K
