Nordson Ultimus V, Operating Manual, Page: 52 / 86

2.6.2.5 Pressure Set Command
This command updates the pressure value in the current memory location
Client command and data: PS--pppp
pppp: The 4-digit pressure setting excluding the decimal point. This is a unitless value. The valid pressure ranges
and decimal point are determined by the pressure units currently selected in the dispenser.
Values to use in the command:
Pressure Unit Pressure Setting Required Value to Send in the Command (pppp)
psi 0.0–100.0 psi 0000–1000
kPa 0.0–689.5 kPa 0000–6895
Bar 0.000–6.895 bar 0000–6895
EXAMPLE: If the units of pressure are set to psi and you want to change the pressure setpoint to 50.0 psi, the text
packet is: (STX) + 08 + PS-- + 0500 + F0 + (ETX)
The above text packet in hexadecimal format:
STX 0 8 P S space space 0 5 0 0 F 0 ETX
0x02 0x30 0x38 0x50 0x53 0x20 0x20 0x30 0x35 0x30 0x30 0x66 0x30 0x03
2.6.2.6 Memory‑Pressure Set Command
This command updates the pressure value in the memory location specified in the command. This command also
updates the LCD screen to the specified memory location.
Client command and data: PH--CHcccPpppp
ccc: The 3-digit memory location from 0–399. The dispenser will automatically limit the value to prevent any errors.
pppp: The 4-digit pressure setting, excluding the decimal point. This is a unitless value. The valid pressure ranges
and decimal point are determined by the pressure units currently selected in the dispenser.
Values to use in the command:
Pressure Unit Pressure Setting Required Value to Send in the Command (pppp)
psi 0.0–100.0 psi 0000–1000
kPa 0.0–689.5 kPa 0000–6895
Bar 0.000–6.895 bar 0000–6895
EXAMPLE: If the units of pressure are set to psi, the required memory location is 2, and the required pressure
setpoint is 30.0 psi, the text packet is: (STX) + 0E + PH-- + CH00 83 + (ETX)
Length of this text packet:
Decimal 14 or hexadecimal 0x0E
The above text packet in hexadecimal format:
STX 0 E P H space space C H 0 0 2
0x02 0x30 0x45 0x50 0x48 0x20 0x20 0x43 0x48 0x30 0x30 0x32
P 0 3 0 0 8 3 ETX
0x50 0x30 0x33 0x30 0x30 0x38 0x33 0x03
Appendix B — RS‑232 Protocol (continued)
Ultimus V High Precision Fluid Dispenser
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