2.6.3.5 Pressure Units Read Command
This command returns the units the dispenser is using to display pressure.
Client command and data: (STX) + 04 + E4-- + E3 + (ETX)
The above text packet in hexadecimal format:
STX 0 4 E 4 space space E 3 ETX
0x02 0x30 0x34 0x45 0x34 0x20 0x20 0x45 0x33 0x03
NOTE: “D0” is the letter “D” followed by the digit “0.”
Return Format: D0PUuu
uu: The pressure units. 00 = PSI, 01 = BAR, 02 = KPA
EXAMPLE: If the dispenser is set to display units of pressure in KPA, the text packet received from the dispenser is:
(STX) + 06 + D0PU02 + 1F + (ETX)
The above text packet in hexadecimal format:
STX 0 6 D 0 P U 0 2 1 F ETX
0x02 0x30 0x36 0x44 0x30 0x50 0x55 0x30 0x32 0x31 0x46 0x03
2.6.3.6 Vacuum Units Read Command
This command returns the units the dispenser is using to display vacuum.
Client command and data: (STX) + 04 + E5-- + E2 + (ETX)
The above text packet in hexadecimal format:
STX 0 4 E 5 space space E 2 ETX
0x02 0x30 0x34 0x45 0x35 0x20 0x20 0x45 0x32 0x03
NOTE: “D0” is the letter “D” followed by the digit “0.”
Return Format: D0VUuu
uu: The vacuum units. 00 = KPA, 01 = Inches H
2
O, 02 = Inches Hg, 03 = mmHg, 04 = TORR.
EXAMPLE: If the dispenser is set to display units of vacuum in H
2
O, the text packet received from the dispenser is:
(STX) + 06 + D0VU01 + 1A + (ETX)
The above text packet in hexadecimal format:
STX 0 6 D 0 V U 0 1 1 A ETX
0x02 0x30 0x36 0x44 0x30 0x56 0x55 0x30 0x31 0x31 0x41 0x03
Appendix B — RS‑232 Protocol (continued)
Ultimus V High Precision Fluid Dispenser
67www.nordsonefd.com info@nordsonefd.com 800-556-3484 Sales and service of Nordson EFD dispensing systems are available worldwide.