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IEEE-488 Reference
5.16.2
Parameters
Short-form
formats
Defaults
Query
commands
Description
5-104
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:STATus Subsystem
:PTRansition <NRf>
:STATus:OPERation:PTRansition <NRf>
:STATus:OPERation:TRIGger:PTRansition <NRf>
:STATus:OPERation:ARM:PTRansition <NRf>
:STATus:OPERation:ARM:SEQuence:PTRansition <NRf> Program Sequence Transition Filter (PTR).
<NRf> = 0
Clear PTR register
= 2
Set bit B1 of PTR register
= 4
Set bit B2 of PTR register
= 32
Set bit B5 of PTR register
= 64
Set bit B6 of PTR register
= 1024
Set bit B10 of PTR register
:stat:oper:ptr <NRf>
:stat:oper:trig:ptr <NRf>
:stat:oper:arm:ptr <NRf>
:stat:oper:arm:seq:ptr <NRf>
Power-up
Sets (1) all bits
*CLS
No effect
:STATus:PRESet
Sets (1) all bits
:PTRansition?
Short-form formats:
Response message:
Note: The binary equivalent of this decimal value indicates which bits in the register are set. For
example, for an acquired decimal value of 96, the binary equivalent is 0000 0010 0110 0000.
For this binary value, bits B6 and B5 are set.
These commands are used to program the positive transition (PTR) registers. A positive transi-
tion is defined as a 0 to 1 state change in the condition register. Thus, when a an event is pro-
grammed for a positive transition, the appropriate bit in the corresponding event register will set
when the corresponding bit in the condition register changes from 0 to 1. For example, if bit B1
of the Positive Transition Register of of the Operation Transition Filter is set, then the relay set-
tling event is programmed for a positive transition. The Set bit (B1) in the Operation Event Reg-
ister will set at the start of the relay settling period. For details on register structure, see
paragraph 5.6.
The PTR registers are shown in Figure 5-25A through Figure 5-32A and include the decimal
weight of each bit. The sum of the decimal weights of the bits that you wish to set is the parameter
Program Operation Transition Filter (PTR).
Program Trigger Transition Filter (PTR).
Program Arm Transition Filter (PTR).
Query PTR register
:stat:oper:ptr?
:stat:oper:trig:ptr?
:stat:oper:arm:ptr?
:stat:oper:arm:seq:ptr?
Decimal value (see Note)
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