SSI America BINARY SOLVENT DELIVERY MODULE 90-2581 REV B User Manual
Page 42
A-4
PI OK,a.aa,b,c,d,e,f,g,h,i,j,k,l,
m,n,o,p,q/
(a.aaa, a.aa, aa.aa, or
aa.a)
(c or cc)
Reads the current pump setup, where:
a.aaa, a.aa, aa.aa, or aa.a = Flow rate in mL/min
b = Run status (0 = stopped, 1 = running)
c or cc = Pressure compensation
d = Pump head type (see RH command)
e = Pressure Board present = 0; otherwise 1
f = External control mode (0 = frequency, 1 =
voltage)
g = 1 if pump started and frequency controlled,
else 0
h = 1 if pump started and voltage controlled, else 0
i = Upper pressure limit fault (0 = no, 1 = yes)
j = Lower pressure limit fault (0 = no, 1 = yes)
k = Priming (0 = no, 1 = yes)
l = Keypad lockout (0 = no, 1 = yes)
m = PUMP-RUN input (0 = inactive, 1 = active)
n = PUMP-STOP input (0 = inactive, 1 = active)
o = ENABLE IN input(0 = inactive, 1 =active)
p = Always 0
q = Motor stall fault (0 = no, 1 = yes)
RE
OK/
Resets the pump configuration to its default power-up
state.
A.2
Pump Rear Panel 4-Pin and 10-Pin Terminal Board Connectors
A 4-pin terminal board connector and a 10-pin terminal board
connector are provided on the back panel. Any device capable of
providing the proper run/stop logic level, flowrate control frequency,
or flowrate control voltage can be used as a remote controlling device
for pump operation via this connection. The terminal board
connectors can be removed for ease of connecting wires, if desired, by
pulling firmly rearward and should be reinserted firmly afterward.
A.2.1 Pressure Fault and Motor Stall Fault Output
The pump's output is on the 4-pin terminal board connector. The
pinout is:
Pin
Function
4
EVENT
1
3
EVENT
2
2
EVENT
3
1
Ground
This output is produced internally by a reed relay which has SPDT
contacts with a 0.25 amp maximum, 50 VDC maximum, 0.2 ohm
rating. The 4-pin connector allows wires to be connected to the
EVENT 1 (Pole), EVENT 2 (NC), and EVENT 3 (NO) terminals.
When the pump stops due to the sensed pressure exceeding the set
pressure limits or if a motor stall fault occurs, the connection between