3. WIRING
IMR02C16-E3
7
Connection to the USB of the host computer (master)
Connect the USB communication converter between the host computer and the controller.
RS-485
Paired wire
Shielded twisted
pair wire
Controller (Slave)
Controller (Slave)
Maximum connections:
Up to 31 controllers
T/R (B)
T/R (A)
SG
T/R (B)
T/R (A)
SG
(+)
(−)
(+)
(−)
COM-K
(
The termination resistor is built into the COM-K.)
SG
1
T/R (A)2
T/R (B)3
4
5
Unused
Unused
Host computer (Master)
USB cable
COM- K
ccessory)
Connect to
USB connector
*R: Termination resistors
(Example: 120 Ω 1/2 W)
If communication errors occur
frequently due to the operation
environment or the
communication distance,
connect termination resistors.
Connect to USB port of
a personal computer
y
y
y
y
y
y
Screw Size:
M3 × 7 (with 5.8 × 5.8 square washer)
Recommended tightening torque:
0.4 N・m (4 kgf・cm)
Specified solderless terminals:
Manufactured by J.S.T MFG CO.,LTD.
Circular terminal with isolation V1.25-MS3
(M3 screw, width 5.5 mm, hole diameter 3.2 mm)
13 (25)
14 (26)
15 (27)
13 (25)
14 (26)
15 (27)
For the COM-K, refer to the COM-K Instruction Manual (IMR01Z01-E).
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