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参数资料
型号： EK2503
厂商： Synapse Wireless
文件页数： 40/42页
文件大小： 0K
描述： EVAL KIT FOR SNAP MESH NETWORKNG
标准包装： 1
系列： SNAP™ Network
类型： 收发器，SNAP
频率： 900MHz
适用于相关产品： RF300PC1
已供物品： 3 个板，3 根天线，线缆，CD，文档
其它名称： 746-1041
Battery Operation
So far, we have been running the nodes from USB power (the bridge node) and from wall
power (the SN111 and SN171 nodes).
It is also possible to run most nodes from battery power.
The SN111 node comes with on-board battery holders, which can hold one or two 1.5
volt AA cells. You have the option of using one or two AA batteries.
NOTE! – The SN111 has a jumper on the right-hand side of the battery holder that
configures the node to run from one AA cell, or two AA cells.
If the jumper is on posts 1 and 2 (the posts furthest away from the battery holder), then
the unit only uses one AA battery, which should be installed in the battery holder closest
to the center of the board. If the jumper is on posts 2 and 3 (closest to the battery holder),
then the unit requires two AA batteries.
Set the jumper to match the actual number of batteries you will be using. Using two AA
batteries instead of one will result in longer operation before having to replace the
batteries.
Regardless of how many batteries are used, be sure to install them in the battery holder
with the correct orientation. The bottom of the battery holder has the usual + and – labels
molded into the plastic.
Note: There is a jumper labeled “RS232 PWR” located near the center of the board.
This jumper must be installed for the RS232 port to work when running on battery
power . To increase battery life it should not be installed if you are not using the RS232
port.
The SN171 Proto Board does not have a built-in battery holder, but a separate battery
holder for this node is included in the EK2500 kit.
Before you can power the SN171 from the external battery pack, you must unplug the
external power supply, and change the PWRSEL jumper located near the center of the
circuit board. The jumper posts for this jumper are labeled “VBAT”, “VCC”, and
“VEXT”. The board comes from the factory with the jumper connected to the VEXT and
VCC pins, which configures the node to run from the external power supply.
If you move the jumper so that it connects the VBAT and VCC pins, then the board will
be configured to receive power from the white two-pin connector located directly behind
the barrel-jack that the external power supply plugs into.
After changing the jumper to the VBAT+VCC position, install two AA batteries in the
external battery holder, and connect the white connector from the external battery pack to
the mating white connector on the SN171 board.
Page 40
of 42
EK2500 Users Guide-v1.7
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相关代理商/技术参数
参数描述
EK-25033-A21 功能描述:麦克风 5.56 X 3.98 X 2.21MM -53 SENS, 12S PORT RoHS:否 制造商:Knowles Acoustics 方向性:Omnidirectional 阻抗:4.4 K Ohms 工作电压:0.9 V to 10 V 灵敏度:- 53 dB 端接类型:Wire Leads 长度:5.56 mm 宽度:3.98 mm 深度:2.21 mm
EK-25033-C09 功能描述:麦克风 5.56 X 3.98 X 2.21MM -53 SENS, 12S PORT RoHS:否 制造商:Knowles Acoustics 方向性:Omnidirectional 阻抗:4.4 K Ohms 工作电压:0.9 V to 10 V 灵敏度:- 53 dB 端接类型:Wire Leads 长度:5.56 mm 宽度:3.98 mm 深度:2.21 mm
EK2505 功能描述:EVAL KIT FOR SNAP MESH NETWORKNG RoHS:是 类别:RF/IF 和 RFID >> RF 评估和开发套件，板 系列:SNAP™ Network 标准包装:1 系列:- 类型:GPS 接收器 频率:1575MHz 适用于相关产品:- 已供物品:模块 其它名称:SER3796
EK2540-7R 功能描述:EURO-CASSETTE 150W 2X 15V RoHS:否 类别:电源 - 外部/内部（非板载） >> DC DC Converters 系列:* 标准包装:1 系列:Quint 类型:隔离 输入电压:24V 输出:24V 输出数:1 输出 - 1 @ 电流（最大）:24 VDC @ 50A 输出 - 2 @ 电流（最大）:- 输出 - 3 @ 电流（最大）:- 输出 - 4 @ 电流（最大）:- 功率（瓦特）:1200W 安装类型:底座安装 工作温度:0°C ~ 40°C 效率:- 封装/外壳:模块 尺寸/尺寸:4.33" L x 9.09" W x 6.14" H（110mm x 231mm x 156mm） 包装:散装 电源（瓦特）- 最大:1200W 批准:- 其它名称:277-69722866365-NDQUINT-BAT/24DC/12AH
EK2540-9ER 制造商:Power-One 功能描述:DCDC - Bulk
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