SHIMPO DT-601CG - Manual (Page 23)

0 0 0 : A-B (90°phase contrast input with RE option)
1 : A+B
2 : A or -A
When B input is electric pulse input, count will be UP (adding)
and Down (subtraction) will be reveresal.
When this calculation method is chosen, do not set alarm display selection
and display 2 of analog output display selection
If display 2 is set, it might output irrespective of display.
Count value
Count value
Count value
ON (Up)
OFF (Down)
P21