Wolf Series RS-485 Remote I/O Module
Wolf series Remote IO Module User's Manual 101
Refer following description for how counter works:
When Input Active Value Define is 0:
External signal
：
Rising edge counter:
1 active
0 Inactive
Falling edge counter:
1 active
0 Inactive
When Input Active Value Define is 1:
External signal
：
Rising edge counter:
1 Inactive
0 active
Falling edge counter:
1 Inactive
0 active
4.2.5.4 Read/Clear Latch Status
Module has the function of latch the external pulse of the digital signal.
Following Modbus address can be used to read or clear current latch status:
Address
Function
R/W
Initial Value
00033~00064
(0x0020~0x003F)
DI CH0~CH31 Latch High Value
R
All 0
00065~00096
(0x0040~0x005F)
DI CH0~C31 Latch Low Value
R
All 0
000129
(0x0080)
DI CH0~CH31 Latch Clear
W
0
When Input Active Value Define is 0:
External signal:
Inactivate is 0
，
Latch Low is 1
Activated is 1
，
Latch High is 1