Status Reporting System; Error Queue - Fluke RPM4-AD Operation And Maintenance Manual

Reference pressure monitor, air data version
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RPM4-AD™ OPERATION AND MAINTENANCE MANUAL
sdsact=0 (opens SDS so pressure can reach Hi and Lo Q-RPTs through TEST(Ps) and
TEST(Pt) ports. Send this command only if certain pressure applied to TEST ports is lower
than maximum pressure rating of the Q-RPTs.
Reading altitude only in parallel mode (RPM4-AD A160K/A160K only)
This sequence sets up RPM4-AD in the same manner as the [RANGE], <altitude, parallel>
shortcut (see Section 3.4.1).
In "classic" command format (see Section 3.5.2.3) send the following sequence of
commands.
range=hl (makes HL (parallel mode) Q-RPT active)
mmode=a (sets HL (both Hi and Lo) Q-RPT to absolute measurement mode)
unit=ft [or m] (sets HL Q-RPT to indicate altitude unit)
sdsact=0 (opens SDS so pressure can reach Hi and Lo Q-RPTs simultaneously through
TEST(Ps) port. Send this command only if certain pressure applied to TEST(Ps) port is
lower than maximum pressure rating of the Q-RPTs.
Reading airspeed at ground altitude only in parallel mode (RPM4-AD A160K/A160K
only)
This sequence sets up RPM4-AD in the same manner as the [RANGE], <airspeed,
parallel> shortcut (see Section 3.4.1).
In "classic" command format (see Section 3.5.2.3) send the following sequence of
commands.
range=hl (makes HL (parallel mode) Q-RPT active)
mmode=g (sets HL (both Hi and Lo) Q-RPT to gauge measurement mode)
unit=kts [or other airspeed unit] (sets HL Q-RPT to indicate airspeed unit)
sdsact=0 (opens SDS so pressure can reach Hi and Lo Q-RPTs simultaneously through
TEST(Pt) port. Send this command only if certain pressure applied to TEST(Pt) port is lower
than maximum pressure rating of the Q-RPTs.
4.5

STATUS REPORTING SYSTEM

The RPM4-AD status reporting system is used to track and report system status and errors. It follows the
model of the IEEE Std 488.2 and works for the COM1 and the IEEE-488 port with slight differences. The
RPM4-AD can be programmed to respond to various status conditions by asserting the SRQ of the IEEE-488
interface. The COM1 port cannot be supported in such a way, so polling must be used.
4.5.1

ERROR QUEUE

The RPM4-AD keeps track of remote errors by using an error queue. If an error occurs, it is
pushed onto the Error Queue. If you are using the COM1 port, the error number is immediately
replied in the form "ERR#nn where nn is the error code from 0 to 99. The "ERR?" (or "ERR")
query can then be used to pull the error from the Error Queue in it's descriptive text format. If
you are using the enhanced program message format, the Error Queue will accumulate errors
until full unless they are pulled from the queue. If you are using the classic program format, the
Error Queue is cleared every time a new program message is received.
© 2005-2007 DH Instruments, a Fluke Company
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