Flintec FRD-45 LCD User Manual
Page 4
... the right weigh
FRD-45 BL Manual
page 4 of 8
ELECTRONICS
Interface, standard
RS-232, RS-422/RS-485 input and 20 mA Current Loop field
selectable
Baud rates: 1200-19200 with 7 or 8 databits;
even, odd or no parity
Optional interface
Analoge inputs, fieldbus interfaces, counters
Power requirements
24 VDC typically 60 mA with backlight
or 12 VDC typically 5 mA without backlight
Termination
9-pin male d-sub on the back; mating connector is DB9F
PIN Assignement
Programming Cable PIN Assignement
Pin 1 TTY-
Input negative 20 mA
Pin 2 TxD
Output connects to RxD on RS-
232 Host
Pin 3 RxD
Input connects to TxD on RS-
232 Host
Pin 4 Prog
Input Programming pin
Pin 5 0 V
GND on External Power and RS-
232 Host
Pin 6 TTY+
Input positive 20 mA
Pin 7 B-
I/O connects to RS-485/422
sender/receiver
Pin 8 A+
I/O connects to RS-485/422
sender/receiver
Pin 9 +V DC Connects to External Power