Intelligent-motion-systems MForce PowerDrive Plus MForce Series Microstepping Uživatelský manuál stáhnout pdf (Strana 39)

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Part 2: Interfacing and Conﬁguring

T

DSU

T

DH

T

SH

T

SL

Direction

Step

T

DC

T

CHL

T

CHL

Channel

A

Channel B

Direction Change

T

SH

T

SL

T

DC

T

SH

T

SL

T

DC

Step Up

Step Down

STEP/DIRECTION TIMING

QUADRATURE TIMING

UP/DOWN TIMING

Figure 2.4.3: Clock Input Timing Characteristics

Clock Input Timing

Symbol Parameter

Type and Value

Step/Direction Step Up/Down Quadrature Units

T

DSU

T Direction Set Up 50 — — nS min

T

DH

T Direction Hold 100 — — nS min

T

SH

T Step High 100 100 — nS min

T

SL

T Step Low 100 100 — nS min

T

DL

T Direction Change — 200 200 nS min

T

CHL

T Channel High/Low — — 400 nS min

F

SMAX

F Step Maximum 5 5 — MHz Max

F

CHMAX

F Channel Maximum — — 1.25 MHz Max

F

ER

F Edge Rate — — 5 MHz Max

Table 2.4.1: Input Clocks Timing Table

1 2 ... 34 35 36 37 38 39 40 41 42 43 44 ... 67 68

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