Tektronix TLA 720, Service Manual

Page: 55 / 214

Reference
2–16
TLA 720 Benchtop Chassis and TLA 7XM Expansion Chassis Service Manual
Enhanced Monitor
The Enhanced Monitor provides the mainframe with the following additional
capabilities via the RS-232 interface:
H
Power supply voltage readouts
H
Power supply current readouts
H
Power supply wattage readout
H
Ambient (input) air temperature readout
H
Exhaust temperature readout for each slot
H
Fan speed readout
H
User-selectable maximum temperature rise
Use defined messages with the DISPlay:TEXT command.
Table 2–6: Messages
Category Message
Power Supply Voltage Messages FAIL:+24V@XX.XX
FAIL:+12V@XX.XX
FAIL:+5V@X.XX
FAIL:+5V STBY@XX.XX
FAIL:+5V EXT@XX.XX
FAIL:–2V@X.XX
FAIL:–5.2V@X.XX
FAIL:–12V@XX.XX
FAIL:–24V@XX.XX
Power Supply Current Average FAIL:+24I@XX.XXA
Messages
FAIL:+12I@XX.XXA
FAIL:+5I@XX.XXA
FAIL:–2I@XX.XXA
FAIL:–5.2I@XX.XXA
FAIL:–12I@XX.XXA
FAIL:–24I@XX.XXA
Power Supply message FAIL: Total W@XX.XW