Hardware reference guide

I/O Modules
35013379 11/2011 665
140DSI35300 I/O DC 24V Supervised Input Module
Overview
The Supervised Input module is used with source output devices. It accepts 24 Vdc
inputs. It has 32 Sink input points (four groups of 8), each with broken wire detection.
Specifications
The following table shows the technical specifications for the 140DSI35300 module:
Specifications
Number of Input Points 32 in four 8 point groups‘
LEDs
Active (Green) Indicates bus communication present
1 ... 32 (Green) Indicates point status
F (Red) External Supply missing
Required addressing 4 words in
Operating Voltage and Current
ON (voltage) +11 Vdc
ON (current) 2.5 mA min.
OFF (voltage) +5 Vdc
OFF (current) min. 0.3 mA ...1.2 mA
Absolute Maximum Input
Continious 30 Vdc
10 ms 45 Vp
Response time
OFF - ON 2.2 ms
ON - OFF 3.3 ms
Internal Resistance 4.3k
Input Protection Resistor limited
Isolation
Group to Group 500 VAC rms for 1 minute
Group to Bus 1780 VAC rms for 1 minute
Bus Current Required 250 mA
Power Dissipation 7 W (all points on)
External Power Supply +20 ... 30 VDC, 20 mA/group