Software Communication 3-28
Table 3-6. Recommended Initialization Forces by Syringe
Parameter Force Syringes
0, 3-40 Full 1.0 mL and larger
1 Half 50, 100, 250, 500 µL
1Z = Z0
2) 2 - 9 are reserved
3) Z10-Z40 (or Y10-Y40) are initialization speeds which correspond to ([S] commands,
Set Speeds) S10-S40 found in “Set Commands (Velocity and Acceleration)” in this
chapter. These commands can be used to change the standard initialization speeds.
Slower initialization speeds may be useful when working with viscous fluids or
small I.D. (inner diameter) tubing.
INITIALIZATION COMMANDS FOR VALVE TYPES 3-PORT, 3-PORT DISTRIBUTION AND T-VALVE
Z <n> Initialize Plunger (Set Output Valve to Right)
The [Z] command initializes the plunger drive and sets valve output to the right (as
viewed from the front of the pump). The parameters are described below.
Command Parameter Description
Z <n> = 0 Initializes at full plunger force
<n> = 1 Initializes at half plunger force
Y <n> Initialize Plunger (Set Output Valve to Left)
The [Y] command initializes the plunger drive and sets valve output to the left (as viewed
from the front of the pump). The parameters are described below.
Command Parameter Description
Y <n> = 0 Initializes at full plunger force
<n> = 1 Initializes at half plunger force
INITIALIZATION COMMANDS FOR VALVELESS OR BLOCK UNITS
W <N> Initialize Plunger (Without Valve)
The [W] command initializes plunger drive for pumps without valves.
Command Parameter Description
W <n> = 0 Initializes at full plunger force
<n> = 1 Initializes at half plunger force
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