6-6
C7-621 / C7-621 AS-i Control Systems
C79000-G7076-C621-01
The following table shows the technical data of the digital outputs of the C7
CPU.
Module-Specific Data
Number of outputs 16
Cable length
S Unshielded max. 600 m
Voltages, Currents, Potential
Rated load voltage L+
S Reverse polarity protection
24 V DC, 0.5 A
no
Total current of the outputs
(per group: 0.0 to 0.7 or
1.0 to 1.7)
S Up to 20 °C
S Up to 45 °C
max. 4 A
max. 2 A
Floating no
Status, Interrupts, Diagnostics
Interrupts no
Diagnostic functions no
Data for Selecting an Actuator
Output voltage
S At signal “1” min. L+ (- 0.8 V)
Output current
S For signal “1”
Rated value
Permitted range
S For signal “0”
(residual current)
0.5 A
5 mA to 0.6 A
max. 0.5 mA
Load resistance range 48 W to 4 kW
Lamp load max. 5 W
Parallel connection of 2
outputs
S For redundant activation of
a load
S For increased power
Possible, only outputs
of the same group
Not possible
Activation of a digital input Possible
Switching frequency
S With ohmic load
S With inductive load to IEC
947-5-1, DC 13
S With lamp load
max. 100 Hz
max. 0.5 Hz
max. 100 Hz
Limitation (internal) of the
inductive cut-off voltage
Typically L+ (- 48 V)
Short circuit protection of the
output
S Switching threshold
Yes, clocked
electronically
Typically 1 A
Digital Outputs
C7-621 Digital I/Os
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