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Wolf Series RS-485 Remote I/O Module
Wolf series Remote IO Module User's Manual 93
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
4.1.5.4 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
00033~00048
(0x0020~0x002F)
DI CH0~CH15 Latch High Value R All 0
00065~00080
(0x0040~0x004F)
DI CH0~C15 Latch Low Value R All 0
000129
(0x0080)
DI CH0~CH15 Latch Clear W 0