4. WIRING
IMR02E20-E1
17
When the interface of host computer is RS-232C
Connect the RS-232C/RS-422A converter between the host computer and the COM-ML.
W-BF-02 and W-BF-28 communication cable (RKC product) can be used as communication
cable. If noise is a factor, customer should use a twisted pair cable (not included) or
something to that effect.
Recommended RS-232C/RS-422A converter: COM-A (RKC product)
For the COM-A, refer to the
COM-A/COM-B Instruction Manual (IMSRM33-E
)
.
When the host computer has a USB connector
Connect the USB communication converter between the host computer and the COM-ML.
For the COM-K2, refer to the
COM-K2 Instruction Manual (IMR01Z02-E
)
.
Host
computer
USB communication
converter COM-K2
(RKC product)
Connect to USB port
USB cable
(COM-K2
accessory)
Connect to USB connector
of COM-K2
The termination resistor
is built into the COM-K2
RS-422A
1
SG
2
4
3
5
T (A)
T (B)
Shielded twisted
pair wire
1
R (A)
R (B)
SG
T (B)
T (A)
SG
COM-ML (
COM. PORT
)
2
3
4
5
6
(
)
(
)
(
)
(
)
R (A)
R (B)
Paired wire
SRZ unit
Connect to
COM.PORT
RS-232C/RS-422A converter
COM-A (RKC product)
* Communication cable (RKC product)
is sold separately
Host computer
Connect to
communication connector
Connect to
COM.PORT1
Connect to
COM.PORT2
W-BF-28*
RS-422A
RS-232C
D-SUB 9P
connector
W-BF-02*
COM-ML