Wiring
6.1
Markings of IO device components
6.1.1
Factory markings
The following table shows the markings that are present ex factory. The markings supports the
installation of the modules and the configuration of the distributed I/O with existing modules.
Table 6-1
Markings
Markings
ET 200SP HA Distributed I/O system
System Manual, 08/2019, A5E39261167-AD
What is labeled?
In the
figure
①
Module labeling
②
③
⑤
⑥
⑦
④
Color coding of the
I/O module classes
(identification of basic
types)
⑧
Color coding of the
potential group
⑨
⑩
Color coding of the
spring releases
Identifier for
Type of I/O module
Labeling of the LED
Labeling strips
Function version
Firmware version
Article number
Digital input module
Digital output module
Analog input module
Analog output module
Universal input/output mod‐
ule
Opening the potential group
Extending the potential group Dark-colored terminal
Process terminals
Terminals for the supply volt‐
age
(light-colored terminal block)
Measuring point - voltage of
the voltage buses
(dark-colored terminal block)
6
Markings or colors
Plant-specific labeling pos‐
sible
white
black
light blue
dark blue
bright gray-green (IP
Basic)
Light-colored terminal
block
block
gray, white
red, blue
red, blue
75