![background image](http://html1.mh-extra.com/html/omron/r88a-mcw151-drt-e/r88a-mcw151-drt-e_operation-manual_742243042.webp)
27
Components and Unit Settings
Section 2-1
0: OFF, 1: ON
■
Internal Switches
Switch SW2 (MCW151-E only)
Pin 1 and 2 select the serial communication for port 2.
Pin 3 selects the termination resistor between receive pins (RD+ / RD -) for
port 2.
Pin 4 is not used.
Switch SW3
Pin 1 through 3 enable the termination resistor for the encoder channel A, B
and Z.
Pin 4 is not used.
DIP switch setting
Parameter
value
Pin
10
Pin
9
Pin
8
Pin
7
Pin
6
Pin
5
Pin
4
Pin
3
Pin
2
Pin
1
0
0
0
0
0
0
0
0
0
0
0 (default)
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
1
0
2
...
...
1
1
1
1
1
1
1
1
0
1
1021
1
1
1
1
1
1
1
1
1
0
1022
1
1
1
1
1
1
1
1
1
1
1023
1 2 3
ON
4
1 2 3
ON
4
SW2
SW3
1 2 3
ON
4
1 2 3
ON
4
SW2
SW3
Pin 2
Pin 1
Selection
OFF
OFF
RS-422A (default)
ON
ON
RS-485
Other not allowed
Pin 3
Selection
OFF
Termination disabled (default)
ON
Termination enabled
Pin 3
(channel Z)
Pin 2
(channel B)
Pin 1
(channel A)
Selection
OFF
Termination disabled for channel
(default)
ON
Termination enabled