Yaskawa MP940 Hardware Manual - Manual (Page 26)

MotionSuite™ MP940 Machine Controller Hardware Manual Section 5: Communications
23
Communication Specifications
„ Connector pins and signal names of port 1
Item Specification
Interface RS-232, 1 Port
RS-422/485 1 Port
Connector RS-232 PORT1 MDR-14pin/female
RS-422/485 PORT2 MDR-14pin/female
Transmission
Range RS-232: 15m Maximum
RS-422/485: 300m Maximum
Baud Rate RS-232 PORT1 9600, 14400, 19200bps
RS-422/485 PORT2: 9600, 14400, 19200bps
Synchronization
Type Asynchronous (start-stop synchronization)
Transmission
Protocol MEMOBUS (Master/Slave)
Transmission
Format Data Bit Length 7 or 8 Bit
Stop Bit 1 or 2 Bit (port 1only) port 2 is fixed at 1 stop bit
Parity Bit Even/Odd/None
Pin
Signal
Name
Description Pin
Signal
Name
Description
1 TxD Transmit data 8 — —
2 — — 9 — —
3 RxD Receive data 10 — —
4 — — 11 — —
5 — — 12 RTS Request to Send
6 CTS Clear to Send 13 — —
7 — — 14 GND Ground
PORT1