Siemens S7-1500 Manual page 23

Abbreviations used
The meanings of the abbreviations in the figures below are as follows:
AI Analog input module
BR Potential bridges
M Connection for ground
L+ Connection for supply voltage
Mn Measuring input, channel n
ICn+/ICn- Current output power supply, thermal resistance (RTD), channel n
Un+/Un- Voltage input, channel n
In+/In- Current input, channel n
COMP+/COMP- Compensation input
IComp+/IComp- Current output power supply, compensation
UV Feed voltage at channel for 2-wire transducer
UCM Potential difference between reference points of the measuring inputs / the analog ground MANA
UISO Potential difference between reference points of the measuring inputs and the central grounding point
MANA Reference point of the analog ground
Wiring sequence
Step Action
1 Prepare the connecting cable
2 Wiring the front connector module
3 Connecting the connecting cable to the terminal module
4 Wire the terminal module inputs and outputs
See also
Assembling the round-sheath ribbon cable (Page 24)
Wiring the front connector module (Page 26)
Connecting the connecting cable and supply voltage to the front connector module (Page 27)
Connecting the connecting cable to the terminal module (Page 31)
SIMATIC TOP connect for S7-1500 and ET200MP
Manual,
Assembling the round-sheath ribbon cable Assembling the round-sheath
Round-sheath ribbon cable already
assembled
Connecting
4.3 Connecting components
See section
ribbon cable (Page 24)
–
Wiring the front connector
module (Page 26)
Connecting the connecting cable
and supply voltage to the front
connector module (Page 27)
Connecting the connecting cable
to the terminal module (Page 31)
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