Delta-electronics Programmable Logic Controller DVP-PLC Manual do Utilizador descarregar pdf (Página 131)

100

101

2 Functions of Devices in DVP-PLC

DVP-PLC Application Manual

2-103

There are two output modes. K1 refers to “A-phase ahead of B-phase” and K2 refers to “B-phase ahead of

A-phase”. The number of pulses accumulates once whenever a phase gap occurs. For example, the number of

pulses in the figure below = 8, and when the number is reached, M1174 turns “On”. To clear the number, simply

turn “Off” M1172.

12 78

Y0(A)

Y1(B)

The output frequency, target number of pulses and selection of modes can be modified when M1172 = On and

M1174 = Off. Modification on output frequency and target number of pulses will not affect the present number of

pulses, but when the mode is modified, the present number of pulses will be cleared as “0”. The present number

of output pulses is updated in every scan time. When M1133 turns from “Off” to “on”, the number will be cleared

as “0”. When M1172 is cleared as “0” when PLC goes from STOP to RUN. When PLC goes from RUN to STOP,

the last number of pulses will be shown.

3. Note:

This function can only be used when PLC is in RUN status and can coexist with PLSY instruction in the program.

If PLSY instruction is executed prior to this function, the function cannot be used and vice versa.

Function Group

VR Volume

Number

M1178 ~ M1179, D1178 ~ D1179

Contents:

1. Special D and special M for built-in 2-point VR volume for EH/EH2/SV/SA/SC:

Device No. Function

M1178 Enable VR0 volume

M1179 Enable VR1 volume

D1178 VR0 value

D1179 VR1 value

2. The function:

This function should be used when PLC is in RUN status. When M1178 = On, VR0 value will be converted into a

value of 0 ~ 255 and stored in D1178. When M1179 = On, VR1 value will be converted into a value of 0 ~ 255 and

stored in D1179.

3. See API 85 VRRD for more details.

Function Group

Interruption Instruction for Reading the Number of Pulses

Number

D1180 ~ D1181，D1198 ~ D1199

1 2 ... 126 127 128 129 130 131 132 133 134 135 136 ... 585 586

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