High Country Tek emc-3 - Manual (Page 29)

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emc-3 Controller Module
User Guide – Rev A
Appendix D, Electrical Characteristics
Absolute Maximum Ratings
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur.
Supply Voltage +/-32V
DC
Rs232 Port Rxd, RTS = +/-15V
DC
Txd = +/-8V
DC
CAN Ports +/-14V
DC
Voltage at Input / Output Pin +/-32V
DC
Current at Input Pin +1mA
Current at Output Pin 3,000 mA
Current at 5V REF 500mA
Temperature
Operating -40°C to +85°C
Storage -40°C to +100°C
Recommended Operating Parameters / Pin Functions
Pin Name Function/Features Range
K1, a1,
a2 POWER IN Positive Power Supply
Input +12V
DC
to +28V
DC
C2, D2,
E2 Thermistor
Inputs
(Note: 3) Analog 0-5V
DC
E1 5V REF Reference Output 5V
DC
, 500mA
F1, F2,
G1, G2,
H1, H2,
J1, J2,
J3, K2,
K3 Digital Inputs
(Note: 4) On / Off 0 to +Supply
b1, b2,
c1, c2,
d1, d2 Outputs
(Note:5) Sourcing PWM Output
or
Sourcing Discreet Output On = +Supply 3,000mA
Off = +Supply 370µA, Supply = 28V
DC
Off = +Supply 180µA, Supply = 13.6V
DC
Notes:
1, Maximum continuous current allowed on any single connector Pin = 8 Amps
2, All limits are guaranteed by testing or statistical analysis
3, Z = >100KΩ
4, Z = 32.4KΩ
5, Voltages applied above POWER IN will damage the outputs