30
30
RS232 COMMANDS
RS232 Format
8 data bits
No parity
1 stop (can use 2 stops)
Pump uses simple three wire communications - ground, transmit, and receive
No flow control. No handshaking.
Ground
Ground
Receive
Transmit
Ground
Ground
Receive
Transmit
OUT
IN
PC with 9-pin connector
PC with 25-pin connector
data IN
pin 2
data OUT
pin 2
data OUT
pin 3
data IN
pin 3
ground
pin 5
ground
pin 7
Cole-Parmer
®
Dual & Multiple Syringe Pump