Contec IPC-BX/600(PCW) - Page 79

5. Each Component Function
74 User’s Manual
* 4006h: Index address setting
D6 D5 D4 D3 D2 D1 D0D7
AD0
W
AD1
Figure 5.17. Index Address Setting Port (4006h)
W : Index address setting
When specifying the RS-485 setting with port
4007h, output 00h to this port before you
specify the setting. (* Index addresses other
than 00h are used by the system. Do not set
addresses except for 00h.)
* 4007h: Control of RS-485 transmission and reception
D6 D5 D4 D3 D2 D1 D0D7
rsv*
R/W (Default: XXXX0000b)
RE_GATE TE_GATE TE_SEL
Figure 5.18. RS-485 Transmission and Reception Control
Port (4007h)
TE_SEL : Select the RS-485 transmission enable signal.
0 : Sets the RTS signal to the RS-485 transmission
enable signal. (factory setting)
1 : Sets the TE_GATE value to the RS-485
transmission enable signal.
TE_GATE : RS-485 transmission enable signal. Valid
only when the TE_SEL value is "1."
0 : RS-485 transmission Enable (factory setting)
1 : RS-485 transmission Disable
RE_GATE : RS-485 reception enable signal.
0 : RS-485 reception Enable (factory setting)
1 : RS-485 reception Disable
Note!
A bit indicated with "rsv" is used by the system.
Do not modify the bit.