Agilent Technologies TV 301-P Manual De Instrucciones página 208

17 Technical Information
Profibus message mapping
Table 11 Output Buffer (5 bytes)
Offset Size Unit res
byte byte
0 1 Bit field
1 2 Hz
208/224
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Range Description
B7 – Start/Stop
0 = Stop
1 = Start
B6 – Low Speed
0 = off (set the "target speed"(In Buff byte-8)
at" high speed" (Out. Buff. byte-1))
1 = on (set the "target speed" (In Buff byte-8)
at "low speed" (Out. Buff. byte-3))
B5 – Soft Start
0 = off (this function is active at first pump run-up and
can't be deactivated by the user, after first run-up
activate this function only if the pump has been stopped
for at least 3 months)
1= on
B4 – Active Stop
0 = off (after a stop command the controller stop driving
the motor, the pump will decrease its speed by friction
with gas load)
1 = on (after a stop command the controller will brake
the pump using the motor, activate this function only if
you don't use the vent valve and for few cycles at week)
B3 - Vent Valve On/Off
0 = close,
1 = open
(Valid only if in Parameter buffer Byte-15-B1 = 1,
and Byte-15-B2 = 0)
B2 – Purge Valve On/Off
Specific option, not available on standard models
B1 – Heather Jacket Enable
Specific option, not available on standard models
B0 – Stop Speed Reading
0 = no (after a stop command the user can't know the
real pump speed)
1 = yes (after a stop command the user can know the
real rotor speed; see in Buff Byte Offset 6)
High Speed Value
500-530
TV 301-P Navigator Controller User Manual / 87-901-001-01 (B)
Win
serial
000
001
100
107
122
145
112
167
120