CURRERA-R System Port

A Power Supply NEG-
B Power Supply POS+
C USB VCC
D USB DATA+
E USB DATA-
F Digital INPUT 2
G Digital OUTPUT 2
H Digital Output common GND (DO_GND)
I Digital INPUT 1
K Digital Input common GND (DI_GND)
L Digital INPUT 3
M RS232 Tx Data
N RS232 Rx Data
O Ground - Chassis
P Digital INPUT 4
R Digital OUTPUT 4
S Digital Outputs +5V source for OC option (this is limited 5V source)
S Digital OUTPUT VCC for 24 option (connect external logic power here)
T Digital OUTPUT 1
U Digital OUTPUT 3