A-5. 2640A/2645A Trigger Out (To) Specification; A-6. 2640A/2645A Master Alarm (Ma) Specification - Fluke NetDAQ 2640A User Manual

2640A/2645A NetDAQ
Users Manual
Trigger Out
Table A-5 provides a summary of the Trigger Out specifications. The Trigger Out
output is located on the ALARM/TRIGGER I/O connector, terminals TO and
GND.
Specification
TTL Logical Zero - Trigger Out Set
TTL Logical One - Trigger Out Not Set
Non-TTL Logical Zero - Trigger Out Set
Non-TTL Logical One - Trigger Out Not Set
Pulse Duration (Logic Low)
Isolation
Master Alarm
Table A-6 provides a summary of the Master Alarm specifications. The Master
Alarm output is located on the ALARM/TRIGGER I/O connector, terminals MA
and GND.
Specification
TTL Logical Zero - Master Alarm Set
TTL Logical One - Master Alarm Not Set
Non-TTL Logical Zero - Master Alarm Set
Non-TTL Logical One - Master Alarm Not Set
Isolation
A-6
Table A-5. 2640A/2645A Trigger Out (TO) Specification
Table A-6. 2640A/2645A Master Alarm (MA) Specification
Characteristic
0.8V maximum for an Iout of -1.0 mA (1 LSTTL
load)
3.8V minimum for an Iout of 0.05 mA (1 LSTTL
load)
1.8V maximum for an Iout of -20 mA
3.25V maximum for an Iout of -50 mA
125 µs
None
Characteristic
0.8V maximum for an Iout of -1.0 mA (1 LSTTL
load)
3.8V minimum for an Iout of 0.05 mA (1 LSTTL
load)
1.8V maximum for an Iout of -20 mA
3.25V maximum for an Iout of -50 mA
None
A-8.
A-9.