參數(shù)資料
型號(hào)： 20-101-0358
廠商： Rabbit Semiconductor
文件頁數(shù)： 76/94頁
文件大小： 0K
描述： COMPUTER SINGLE-BOARD BL1820
標(biāo)準(zhǔn)包裝： 1
系列： Jackrabbit
模塊/板類型： 單板計(jì)算機(jī)模塊
適用于相關(guān)產(chǎn)品： BL1820
產(chǎn)品目錄頁面： 618 (CN2011-ZH PDF)
其它名稱： 316-1081
74
Jackrabbit (BL1800)
B.3.1 Demonstration Board
A relay, a thermistor, four additional LEDs, and a serial cable are included in a bag of parts
to further allow exploration of the Jackrabbit‘s operation.
The SPDT relay handles 120 V at 5 A with a 12 V activating coil. The layout to accept this
relay is included on the top side of the Prototyping Board. Note that the relay coil connec-
tions need to be wired to one of the sinking high-power outputs (HV0–HV2) of the Jackrabbit.
Install the relay on the bottom side of the Prototyping Board, as shown in Figure B-4.
Figure B-4. Installation of Relay on Prototyping Board
NOTE: COIL(+) must be connected to a 12 V power supply when using the relay.
This is the nominal voltage supplied as +RAW when the transformer supplied with the
Development Kit is used, and in this case you may connect COIL(+) to +RAW. If you
use another power supply, connect COIL(+) to +12 V if +RAW is different.
NOTE: If you do use the transformer supplied with the Development Kit for COIL(+),
be aware that its voltage may be as high as 16 V at low current draws. This needs to be
taken into consideration if you plan to use a 12 V relay in critical applications.
Relay Contacts
[0.156" (4 mm) spacing]
[COIL(+) and COIL(-) spacing
is 0.1" (2.5 mm)]
PC2
PC0
TXB
RXB
VCC
RXC
TXC
PC1
PC3
GND
TXC
RXC
J1
RXB
TXB
GND
J7
GND
PA
6
PA
4
PA
2
PA
0
PA
5
PA
3
PA
1
PA
7
J3
VCC
JP1
DS1
DS2
DS3
DS4
DS5
DS6
DS7
DS8
S1
S2
S3
S4
GND
PB5
PB4
PB3
PB2
PA
7
PA
6
PA
5
PA
4
PA
3
PA
2
PA
1
PA
0
GND
PE2
PE4
PE6
PE0
HV0
HV2
K
GND
WDO
PB6
PB4
PB2
PB0
GND
VCC
+RA
W
HV3
HV1
GND
PE1
PE3
PE5
PE7
PCLK
PB7
PB5
PB3
PB1
GND
BZR
VCC
K
AD0
PD0
PE4
POT
+RAW
HV0
COIL(-)
COIL(+)
JP2
N.C.
COM
N.O.
/RST
GND
IOBEN
SM0
VCC
485-
GND
PD6
PD4
PD2
DA0
AD0
PC6
PC4
PD0
PC5
PC7
AGND
DA1
PD1
PD3
PD5
PD7
GND
485+
VCC
SM1
S
TAT
VBA
T
GND
9
5
6
1
J4
Bottom Side
Relay
Connect:
+12 V to COIL(+)
HVx to COIL(-)
K to +RAW
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