Siemens SIMATIC ET 200eco PN - Signal names; Signal names of the I;O devices

ET 200eco PN
Operating Instructions, 08/2016, A5E01250250-AJ
234
Signal names
A
A.1
Signal names
Signal names of the I/O devices
Table A- 1 Signal names of the digital inputs and digital outputs (DI/DQ)
Signal name
Meaning
xL+ Input external auxiliary voltage DC (x: load group)
xM
Ground external auxiliary voltage DC (x: load group)
DI
xUs
Digital input (x: load group)
DQ
xUs
Digital output (x: load group)
DIQ
xUs
Digital input/digital output (x: load group)
U
Sn
Sensor supply voltage, channel n
1U
S
24 V sensor supply 1U
S
(derived from 1L+ non-switched)
Table A- 2 Signal names of the analog inputs (AI)
Signal name
Meaning
xL+
Input external auxiliary voltage (x: load group)
xM
Ground external auxiliary voltage (x: load group)
M
n
+
Measuring input channel n (voltage, current, RTD, TC, etc.)
M
n
-
Measuring input channel n (voltage, current, RTD, TC, etc.)
I
Cn
+
Power output power supply RTD channel n
I
Cn
-
Power output power supply RTD channel n
U
Vn
+
Infeed voltage for 2DMU
U
Sn
Sensor supply voltage, channel n
1U
S
24 V sensor supply 1U
S
(derived from 1L+ non-switched)
Table A- 3 Signal names of the analog outputs (AQ)
Signal name
Meaning
xL+
Input external auxiliary voltage (x: load group)
xM
Ground external auxiliary voltage (x: load group)
Q
n
+
Output channel n (current or voltage)
Q
n
-
Output channel n (current or voltage)
U
An
Actuator supply voltage, channel n