Cadex C8000 - Auxillary Port Operating Ratings

C8000 Battery Testing System User Manual
Battery Tester 29
Input 1-4 (differential):
Current at Digital I/O 1-3:
-20mA (open collector / sinking
only)
Current at Digital I/O 4:
-100mA (open collector /
sinking only)
Current at Analog Out 1-2:
±5mA
Current at +5VDC:
+100mA
2.4.3 Auxillary Port Operating Ratings
When using the Auxiliary Input/Output Connector, the operating
ratings must be set according to the following settings:
Voltage Setting
Operating Rating
Voltage at Digital I/O 1-4:
0 to +5V (A Pull-up is required)
(open collector)
Voltage at SMBC, SMBD or
SMBDIO:
0 to +5V
Voltage at Analog Output 1-2:
0 to +5V (±1mA)
Voltage at T+ or P+:
0 to +3.3V
Voltage at Differential Analog
Input 1-4 (either input, relative
to ground):
0 to +48V
Voltage at Differential Analog
Input 1-4 (differential, + relative
to -):
0 to +15.5V
Impedance of Analog Input + to
-
~1.1MOhm
Impedance of Analog Input + to
gnd
~100kOhm
Impedance of Analog Input - to
gnd
~1MOhm