User manual

51 Chapter C

Table C.3: PCI-1240/PCI-1240U READ register function

Address

(Hex.)

Read

Symbol Register Name Content

0 RR0 Main status register

Limit switch status, d riving status, ready

for interpolation, quadrant for circle

interpolation, and the stack of BP

XRR1

YRR1

ZRR1

URR1

X Axis Status Register 1

Y Axis Status Register 1

Z Axis Status Register 1

U Axis Status Register 1

The result of compare, status of

acceleration, and ending status.

XRR2

YRR2

ZRR2

URR2

X Axis Status Register 2

Y Axis Status Register 2

Z Axis Status Register 2

U Axis Status Register 2

Error message

XRR3

YRR3

ZRR3

URR3

X Axis Status Register 3

Y Axis Status Register 3

Z Axis Status Register 3

U Axis Status Register 3

Interrupt message

8 RR4 Input Register 1 I/O input for X- and Y-axis

A RR5 Input Register 2 I/O input for Z- and U-axis

C RR6 Data Reading Register 1 Low word of Data Register (D15 ~ D0)

E RR7 Data Reading Register 2 High word of Data Register (D31 ~ D16)

10 INTSTA Interrupt Status Register The Status of Interrupt Register

12 BDID Board ID Register The card's Board ID

14 PGSTA

Pulse Generator Status

Jog/Hand wheel mode function status