Fluke PM6681R, PM6685R manual 7654, 3210, Status Subsystem

Using the Subsystems

ported in the status byte, and what bits in

tive, the bit in the event register is set

the status byte should cause SRQ.

true. When the condition changes from

A register bit is TRUE, i.e., some-

active to inactive, the event register bits

are not affected at all.

￿ thing has happened, when it is

set to 1. It is FALSE when set to

When you read the contents of a register,

0.

the counter answers with the decimal sum

Note that all event registers and the status

of the bits in the register.

byte records positive events. That is when

a condition changes from inactive to ac-

e u e

u e

S t a n d a r d

R Q u e s t i o n a

b l e D a t a R e g i s t

E v

e n t

u

e

Q

u

C o n d it io

n R e g is t e r

t

Q

E v e n t R

e

is

r

E v e n t R

e g is t e r

p u

o r

E n a b le

R

is

E n a b le

R e g is t e r

u t

r r

L o g ic a

l

O

R

E

L o g ic a

l O R

O p e r a t i o n

S t a

t u s

R eDgeivsitceer

R e g i s t e r 0

C o n d it io

n R e

g is

t e r

E v e n t R

e g is t e r

E v e n t R

e g is t e r

E n a b le

R e g is t e

r

E n a b le

R e g is t e r

L o g ic a

l O R

L o g ic a

l O R

7654

3210

S t a t u s B y t e R e g is t e r

S e r v ic e R e q u e s t E n a b le

L o g ic a

l O R

S R Q m e s s a g e

Figure 6-6CNT-8X Status register structure.

Status Subsystem 6-15