11.1 Communication Function Specifications
11.1.1 CPU Unit Communication Specifications
■
USB port (for tool software)
Items Description
Standard USB2.0 FULL SPEED
Communication
function
MEWTOCOL-COM (slave), MEWTOCOL7-COM (slave)
■
COM.0 Port
Items Description
Interface 3-wire 1-channel RS-232C
Transmission distance
15 m
(Note 1)
Baud rate 300, 600,1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400 bit / s
Communication
method
Half-duplex transmission
Synchronous method Start stop synchronous system
Communication format
Data length: 7 bits / 8 bits, stop bit: 1 bit / 2 bits, parity: Yes / No (Odd / Even) Start
code: Without STX / With STX, end code: CR / CR + LF / None / ETX
Data transmission
order
Transmits from bit 0 character by character.
Communication
function
MEWTOCOL-COM (master/slave), MEWTOCOL7-COM (slave)
MODBUS RTU (master/slave)
general-purpose communication
modem initialization
(Note 1) When communication is performed at a baud rate of 38400 bit/s or higher, use a cable not longer than
3 m. When wiring RS-232C, a shielded wire must be used to increase noise suppression.
11.1.2 Extension Cassette Communication Specifications
■
COM.1 Port / COM.2 Port / COM.3 Port / COM.4 Port
Items
Description
AFP7CCRS1 AFP7CCRS2 AFP7CCRM1 AFP7CCRM2 AFP7CCRS1M1
Interface
3-wire 1-
channel
RS-232C
3-wire 2-
channel
RS-232C
(Note 1)
1-channel
RS-422/RS-485
(Note 2)(Note 3)
2-channel
RS-422/RS-485
(Note 2)(Note 3)
3-wire 1-channel
RS-232C
1-channel RS-485
(Note 3)
Transmission
distance
Max. 15 m
(Note 4)
When RS-422 is used: Max. 400 m
When RS-485 is used: Max. 1200 m
(Note 5)(Note 6)
RS-232C: Max. 15
m
RS-485: Max.
1200 m
11.1 Communication Function Specifications
11-2 WUME-FP7COM-07