BeneLink Module Operator’s Manual  4-87 
Monitor output: alarms from Puritan Bennett PB840/PB980 (SNDF Protocol) 
Ventilator 
Priority  Label 
Low 
Low 
Technical 
alarms 
If the monitor shows the alarm [Low Technical 
alarms], the external device has one or more of the 
following alarms: Inoperative Battery 
Low Battery 
AC LOSS 
Tinsp too Long 
4.21 Puritan Bennett PB840/PB980 (SNDA Protocol) 
4.21.1 Output Signals – Parameters 
Monitor output: parameters from Puritan Bennett PB840/PB980 (SNDA Protocol) 
Ventilator 
Label  Description  Trend, record, print 
Monitoring Parameters 
Ppeak  Peak pressure  Yes 
Pplat  Plateau pressure  Yes 
Pmean  Mean pressure  Yes 
VTe  Expiratory tidal volume  Yes 
MVspn  Spontaneous breathed minute volume  Yes 
MVe  Expiratory minute volume  Yes 
ftot  Total respiratory rate  Yes 
Rstat  Static lung resistance  Yes 
Rdyn  Dynamic lung resistance  Yes 
Cstat  Static compliance  Yes 
Cdyn  Dynamic compliance  Yes 
PR  Pulse rate  Yes