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Output queue – GW Instek PEL-2000 Series Programming User Manual User Manual

Page 167

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STATUS REGISTERS

167

UVP

Under Voltage Protection

Condition
Register

The Questionable Status Condition Register
indicates the status of the electronic load. If a bit is
set in the Condition register (OC, OV, OP, RV)
indicates that the event is true. Reading the
condition register does not change the state of the
condition register.

PTR/NTR
Register

The PTR/NTR (Positive/Negative transition)
register determines the type of transition
conditions will set the corresponding bit in the
Event Registers. Only the Channel Status Register
and Questionable Status Register can be transition
programmed.

Positive Transition

01

Negative Transition

10

Event Register

The PTR/NTR Register will dictate the type of
transition conditions will set the corresponding
bits in the Event Register. If the Event Register is
read, it will be cleared to 0.

Enable Register

The Enable Register is used to determine which
channel events will be used to set the QUES bit of
the Status Byte Register.

Output Queue

Description

The Output queue stores output messages in a
FIFO buffer until read. If the Output Queue has
data, the MAV bit in the Status Byte Register is set.

Output Queue

Data1 Data2 Data3 Data4

DataN

Data5

Data in

Data out