SD700FL SERIES
POWER ELECTRONICS
68
MODBUS COMMUNICATION
8.2.
Hardware technical specifications
RS232
Physical level
3 cables, optically insulated, half duplex, RS232 single ending
Terminals
23
RS Common (0VDC)
24
RS232 Rx (receiving line)
25
RS232 Tx (transmitting line)
Output signal level
'1' logical 6.5V regarding to 0V
'0' logical 6.5V regarding to 0V
Input signal level
'1' logical < +0.8V
'0' logical > +2.4V
Maximum line impedance
2500pF, 3k
Insulation
± 50VDC regarding to the earth
Programmable inputs via Modbus
7 digital inputs
2 programmable analogue inputs (0 – 10V, ±10V, 0 – 20mA, 4 – 20mA)
Programmable outputs via Modbus
3 relay outputs
2 programmable analogue outputs (0 – 10V, ±10V, 0 – 20mA, 4 – 20mA)
Max. number of SD700 in network
1
Maximum cable length
15m
RS485
Physical level
2 cables, optically insulated, half duplex, RS485 differential mode
Terminals
21
RS485 A (negative)
22
RS485 B (positive)
23
RS Common (0VDC)
Output signal level
'1' logical = +5V differential
'0' logical = -5V differential
Input signal level
'1' logical = +5V differential
'0' logical = -5V differential
Insulation
± 50VDC regarding to the earth
Programmable inputs via Modbus
7 digital inputs
2 programmable analogue inputs (0 – 10V, ±10V, 0 – 20mA, 4 – 20mA)
Programmable outputs via Modbus
3 relay outputs
2 programmable analogue outputs (0 – 10V, ±10V, 0 – 20mA, 4 – 20mA)
Max. number of SD700 in network
240
Maximum cable length
1000m
USB
Connector:
USB 1.1 and 2.0 type B.
Controller FTDI chip
Model FT232BM
For the correct operation of the USB connection, you should install the proper
drivers. For this, you only need to access to the information of the proper model
in:
http://www.ftdichip.com/Drivers/VCP.htm
From here, you can download the required files and complete their correct
installation.
Note:
Installation in the driver Host of the SD700FL USB, USB device of the SD700FL will be detected by operating
systems XP and 2000, it is only necessary to indicate the driver at the time of the installation. In case of operating
systems before W98 / Me, execute a search of new Hardware in the device administrator, and complete the
installation by indicating the drivers when the computer requires them.
Содержание SD700FL Series
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