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IMD 100 Integration manual 4189360015 Rev. G
Electrical HW connections and requirements
Page 47 of 243
Figure 29
Male-female connectors
See detailed description of how to connect wires to the female connector and how to
connect/disconnect the female to the male connectors in the
IMD 100 Installation instructions
.
See detailed description of the functions of the connections in the IMD function description.
5.5.1 Connecting digital inputs (X9)
All inputs in X9 have the following HW specifications:
Voltage range
0
– 36 V DC
Digital low
0
– 5 V DC
Digital high
9
– 36 V DC
Impedance
Approximately 2.4 k
Ω
Input current (high)
Approximately 7.3 mA @ 24 V DC
Typical implementation of circuit for digital input:
+ 24 V DC
To IMD
digital input
+ 24 V DC
To IMD
digital input
Figure 30
Typical digital input interfaces
Info
To calculate the approximated input current at a specific voltage: I = (U
– 6)/2460