Switch Settings - Omron NSH5 Operation Manual

Switch Settings

4-3 Switch Settings
Key Switch
Note
DIP Switch
Note
Note
52
Power to the Removable Box is turned ON and OFF with the key switch.
The power is OFF when the key is in the vertical position. (Refer to the
diagram below.)
The key can be removed when the power is turned OFF.
OFF
ON
Always turn OFF the key switch before connecting or disconnecting the Cable
using the Removable Box.
The DIP switch is used to set RS-422A communications conditions. Set the
DIP switch before connecting the cable to the Removable Box.
ON ON
ON ON
1 2 3 4 1 4
OFF OFF
Factory setting: SW1 is ON
Pin No. Description
1 Built-in terminating
resistance setting
2, 3 Do not change these
settings.
4 RS-422A transmission
mode setting
When using a single NSH5 PT, turn OFF pin 4 (always send). When using
more than one NSH5 PT, turn ON pin 4 (RS-232C CS control).
In station detection mode, use the rotary switch to set a station number
between 1 and 15 for the Removable Box. Set this switch before connecting
any cables to the Removable Box. (Station number 0 means that the Remov-
able Box is not connected.) For details on the station detection function, refer
to 3-8 Station Detection Function.
0 0
8 8
Factory setting
Station number 0
Rotary switch 0
Always turn OFF the Removable Box's key switch before setting the DIP
switch or the rotary switch.
ON
Terminating resistance
is connected.
---
RS-232C CS control
1 2 3 4 5 6 7
1 2 3 4 5 6 7
Section 4-3
OFF
ON
OFF
Terminating resistance
is not connected.
---
Always send
8 9 10 11 12 13 14 15
8 9 A b C D E F