Ametek UPLC-II - Page 148

Page 6–18
UPLC-II™ System Manual
2SEC.2SEC.
1SEC. 1SEC.
2SEC. 2SEC.
LOCAL UNIT
WHERE TRIP TEST
ISINITIATED
REMOTEUNIT
(TRIP TEST RESPONSE)
UNKEY
TRANSMITTER
UNKEY TRANSMITTER
TRANSMIT TRIP 1(LF)
TRANSMIT TRIP 1(LF)
TRANSMIT TRIP 2(HF)
ALLOWFREQUENCIES
TOBERECEIVEDBY TRIP TEST
ALLOWFREQUENCIES
TOBERECEIVEDBY TRIP TEST
RECEIVE TRIP 1(LF)
TRANSMIT TRIP 2(HF)
RECEIVE TRIP 2(HF)
RECEIVE TRIP 1(LF)
RECEIVE TRIP 2(HF)
1SEC.
1.5SEC.
DELAY
1.5SEC.
DELAY
1.5SEC.
DELAY
1.5SEC.
DELAY
Figure 6–10. Trip Test 3-Frequency Checkback Trip Timing Diagram