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Interrupt Status
Register
The Interrupt Status Register shows the state of the trigger ignored interrupt
condition. The bit is a strobed interrupt source.
Address
Base + 12
16
Bit 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
READ Unused TRG
IGN
Unused
WRITE
TRG IGN: This field is set to a one (1) if the trigger ignored condition exists.
Isolation Status
Register
The Isolation Status Register reports the plug-on module isolated/non-isolated
configuration for each channel.
Address
Base + 14
16
Bit 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
READ Ch
16
ISO
Ch
15
ISO
Ch
14
ISO
Ch
13
ISO
Ch
12
ISO
Ch
11
ISO
Ch
10
ISO
Ch
09
ISO
Ch
08
ISO
Ch
07
ISO
Ch
06
ISO
Ch
05
ISO
Ch
04
ISO
Ch
03
ISO
Ch
02
ISO
Ch
01
ISO
Ch XX ISO: Each field will return a one (1) if the channel has a non-isolated
plug-on installed. A zero (0) indicates an isolating plug-on is installed.
Notes A channel will not function without a plug-on module installed. A one (1)
indicates either a non-isolated plug-on is installed or that no plug-on module
is installed. DO NOT operate the module without a plug-on module
installed on every channel.
For 8-Channel configurations, the upper 8 bits (channels 09 through 16) are
set to 1’s (FF
16
).
Appendix B HP E1418A Register-Based Programming 133