HEA-
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5.7.2
Logic interface, RS232
Absolute maximum voltage rating
-15 to +15V
No damage
Input, Logic Low (max)
<0.8V
Input, Logic High (min)
>2.6V
Output, Logic Low (max)
<-3.2V no load
Output, Logic High (min)
>+3.2V no load
Drive capability
3k ohms
Short circuit protection
Yes
5.7.3
Logic interface, RS422/485
Absolute maximum voltage rating
-12 to +12V
No damage
Input, Logic Low (max)
<0.8V
Common mode referenced to GND
Input, Logic High (min)
>2.0V
Common mode referenced to GND
Output, Logic Low (max)
<0.8V at 27 ohms
Common mode referenced to GND
Output, Logic High (min)
>2.0V at 27 ohms
Common mode referenced to GND
Output Differential
>1.5V at 27 ohms
Output Differential
>2.0V at 50 ohms
Drive capability
27 ohms
Short circuit protection
Yes
5.7.4
Logic interface, I2C
Absolute maximum voltage rating
-0.3 to +5.3V
No damage
Input, Logic Low (max)
<1.5V
Input, Logic High (min)
>3.5V
Output, Logic Low (max)
<0.6V no load
Output, Logic High (min)
>4.3V no load
Drive capability
1k ohms
Short circuit protection
No
5.7.5
Logic interface, Open Drain, output
Operational pull up voltage
0 to 15V
No damage
Maximum load current
50mA
Short circuit protection
No
Negative voltage on the output will be clamped by the FET body diode, you must ensure that these do not exceed current rating.
5.7.6
Power interface, +12V, input
Nominal input voltage
12V
Typical input voltage range
11 to 13V
Maximum operational voltage range
9 to 16V
5.7.7
Relay contacts
Contacts type
Form C break before make, dry contact, volt free
Maximum voltage & current
50V @1A, all voltages are relative to ground
Initial contact resistance
75 mΩ
5.7.8
Cabinet power input, AC
Nominal input voltage
110V AC and 230VAC
Maximum operational voltage range
88 - 264VAC
See section 3.4.3 for more details
5.7.9
Cabinet power input, 12VDC
Nominal input voltage
12VDC
Maximum operational voltage range
9.2-18VDC
See section 3.4.3 for more details