Agrident APR500 Посібник - Сторінка 13
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Weight from scale
The RN-220 XP has a built in Lithium
32 hours. It also has a
hours. It also has an on-board charger (still requires external 5V power supply).
All these dongles are Bluetooth Class 1 devices. In combination
All these dongles are Bluetooth Class 1 devices. In combination
All these dongles are Bluetooth Class 1 devices. In combination
with the corresponding Agrident readers they allow wireless
with the corresponding Agrident readers they allow wireless
with the corresponding Agrident readers they allow wireless
communication over a distance of up to 100 meter.
7. Appendix A – RS232 wiring
Depending on the intended use of communication devices they are classified in DTE (
Depending on the intended use of communication devices they are classified in DTE (Data
Depending on the intended use of communication devices they are classified in DTE (
Terminal Equipment) and DCE (
quipment) and DCE (Data Communication Equipment). A PC is always a DTE
where the RFID reader should be a DCE.
where the RFID reader should be a DCE.
A DTE will always have a male D-Sub connector while a DCE will use a female connector.
A DTE will always have a male D
9-pole D-Sub connector, male (for DTE)
Sub connector, male (for DTE)
However, some scales are laid out to be
However, some scales are laid out to be DTE, others are considered to be
there are gender changers available in case that scale connector and reader connector do
there are gender changers available in case that scale connector and reader connector do
there are gender changers available in case that scale connector and reader connector do
not match. But this is not the only difference: You can connect a DTE device to a DCE
not match. But this is not the
device using a straight through cable (wiring 1:1). If you want to connect two DTE (or two
device using a straight through cable (wiring 1:1). If you want to connect two DTE (or two
device using a straight through cable (wiring 1:1). If you want to connect two DTE (or two
DCE) devices with each other, you need a crossover cable (also called "null modem
DCE) devices with each other, you need a crossover cable (also called "null modem
DCE) devices with each other, you need a crossover cable (also called "null modem
cable").
Wiring of an RS232 crossover cable without hardware handshake signals:
Pin connector 1
2
3
5
09.03.2011
RN-220 XP
There is only one version of this dongle and per default it
here is only one version of this dongle and per default it
acts as DTE. This behavior can be changed by
on-board jumpers. Nevertheless you require a gender
changer (female-female) in order to connect this dongle to
a scale which is intended to be DCE.
Also see Appendix A for details about DCE and DTE.
Also see Appendix A for details about DCE and DTE.
has a built in Lithium Polymer battery and allows an operation time of up to
unication over a distance of up to 100 meter.
unication over a distance of up to 100 meter.
RS232 wiring
Sub connector while a DCE will use a female connector.
only difference: You can connect a DTE device to a DCE
2 crossover cable without hardware handshake signals:
2 crossover cable without hardware handshake signals:
Meaning connector 1
RxD
TxD
GND
can be changed by altering the
in order to connect this dongle to
and allows an operation time of up to
5V power supply).
quipment). A PC is always a DTE
9-pole D-Sub connector, female (for DCE)
Sub connector, female (for DCE)
DTE, others are considered to be DCE. Of course,
Meaning connector 2
Meaning connector 2
TxD
RxD
GND
u require a gender
Pin connector 2
3
2
5
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