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6. SERIAL INTERFACE
6.1 Specifications
(1) Synchronization: Asynchronous
(2) Baud rate
1200, 2400, 4800, 9600, 19200 Baud/sec (User selection)
(3) Word configuration
• Start bit: 1 bit
• Data bit: 7 bits or 8 bits (User selection)
• Parity bit: odd, even, no parity (User selection)
• Stop bit: 1 bit or more
(4) Data I/O signal
RxD, TxD (RE-232C)
(5) Control signal
DTR, PE, RESET, FAULT
(6) Signal polarity
RS-232C TTL , CMOS
• Mark = Logic “1” (−3 V to −12V) • H level = Logic “1”
• Space = Logic “0” (+3 V to +12 V) • L level = Logic “0”
(7) Power cable
+5V, GND and FG
(8) Compatible connector:
HIF3F-20PA-2.54DS(71) (Hirose Electric compatible)
HIF3C-20D-2.54C (Hirose Electric compatible)
Pin Signal Name Pin Signal Name
1 to 8 N.C (Unconnection) 15 GND (For interface)
9 RxD 16 FRAME GND (FG)
10 TxD 17 +5V (For circuit control)
11 DTR 18 GND (For circuit control)
12 PE 19 +5V (For mechanism drive)
13 FAULT 20 GND (For mechanism drive)
14 RESET
6.2 Connector Pin Assignment
19
20
1
2