24
Smartcat (BL2100)
The BL2100 can be used in an RS-485 multidrop network. Connect the 485+ to 485+ and
485– to 485– using single twisted-pair wires (nonstranded, tinned) as shown in Figure 13.
Note that a common ground is recommended.
Figure 13. BL2100 Multidrop Network
C48
C52
C46
C44
C43
C13
RP4
RP3
RP15
RP14
C87
C89
R140
R133
C85
R132
C88
R139
C51
C50
C49
DI08 DI09 DI10 DI1
1 DI12 DI13 DI14 DI15 RS485 RS485 PE5-INT
GND DIO23 DIO22
DIO21 DIO20 DIO19 DIO18 DIO17 DIO16 DIO15 DIO14 DIO13 DIO12 DIO1
1 DIO10
D18
C82
RP7
JP6
J14
ADCIN1 ADCIN0
J11
C48
C52
C46
C44
C43
C13
RP4
RP3
RP15
RP14
C87
C89
R140
R133
C85
R132
C88
R139
C51
C50
C49
DI08 DI09 DI10 DI1
1 DI12 DI13 DI14 DI15 RS485 RS485 PE5-INT
GND DIO23 DIO22
DIO21 DIO20 DIO19 DIO18 DIO17 DIO16 DIO15 DIO14 DIO13 DIO12 DIO1
1 DIO10
D18
C82
RP7
JP6
J14
ADCIN1 ADCIN0
J11
C48
C52
C46
C44
C43
C13
RP4
RP3
RP15
RP14
C87
C89
R140
R133
C85
R132
C88
R139
C51
C50
C49
DI08 DI09 DI10 DI1
1 DI12 DI13 DI14 DI15 RS485 RS485 PE5-INT
GND DIO23 DIO22
DIO21 DIO20 DIO19 DIO18 DIO17 DIO16 DIO15 DIO14 DIO13 DIO12 DIO1
1 DIO10
D18
C82
RP7
JP6
J14
ADCIN1 ADCIN0
J11
IN2
GND
PE5-INT
485
485+
IN15
IN14
IN1
J11
12
11
10
9
8
7
Ground recommended
Summary of Contents for Smartcat
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