Siemens S7-400 User Manual
Analog Modules
5-4
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
Table 5-1
Analog Input Modules: Characteristics at a Glance, continued
Module
SM 431;
AI 8
16
Bit
(-7KF00-)
SM 431;
AI 8
RTD
16 Bit
(-7KF10-)
SM 431;
AI 16
16
Bit
(-7QH00-)
SM 431;
AI 13
16
Bit
(-0HH0-)
SM 431;
AI 8
14
Bit
(-1KF20-)
SM 431;
AI 8
14
Bit
(-1KF10-)
SM 431;
AI 8
13
Bit
(-1KF00-)
Characteristics
Max. Permissible
Common Mode
Voltage
Common Mode
Voltage
Between
the chan-
nels or be-
tween the
reference
potential of
the con-
nected
sensors
and M
the chan-
nels or be-
tween the
reference
potential of
the con-
nected
sensors
and M
ANA:
30 VAC
Between
the chan-
nels or be-
tween the
channel
and central
ground
point:
120 VAC
the chan-
nels or be-
tween the
channel
and central
ground
point:
120 VAC
Between
the chan-
nels or be-
tween the
reference
potential of
the con-
nected
sensors
and M
the chan-
nels or be-
tween the
reference
potential of
the con-
nected
sensors
and M
ANA:
8 VAC
Between
the chan-
nels or be-
tween the
reference
potential of
the con-
nected
sensor and
central
ground
point:
2 VDC/AC
the chan-
nels or be-
tween the
reference
potential of
the con-
nected
sensor and
central
ground
point:
2 VDC/AC
Between
the chan-
nels or be-
tween the
channel
and central
ground
point:
120 VAC
the chan-
nels or be-
tween the
channel
and central
ground
point:
120 VAC
Between
channel
and central
ground
point:
120 VAC
channel
and central
ground
point:
120 VAC
Between
the chan-
nels or be-
tween the
channel
and central
ground
point:
120 VAC
the chan-
nels or be-
tween the
channel
and central
ground
point:
120 VAC
Ext. Power Supply
Necessary
Necessary
No
24 VDC
(only with
current,
2-DMU)
(only with
current,
2-DMU)
24 VDC
(only with
current,
2-DMU)
(only with
current,
2-DMU)
24 VDC
(only with
current,
2-DMU)
(only with
current,
2-DMU)
24 VDC
(only with
current,
2-DMU)
(only with
current,
2-DMU)
No
No
Special Features
–
Suitable for
tempera-
ture mea-
surement
Tempera-
ture sensor
types can
be parame-
terized
Lineariza-
tion of the
sensor
character-
istic curves
Smoothing
of the mea-
sured val-
ues
tempera-
ture mea-
surement
Tempera-
ture sensor
types can
be parame-
terized
Lineariza-
tion of the
sensor
character-
istic curves
Smoothing
of the mea-
sured val-
ues
Rapid A/D
change,
suitable for
highly dy-
namic pro-
cesses
Smoothing
of the mea-
sured val-
ues
change,
suitable for
highly dy-
namic pro-
cesses
Smoothing
of the mea-
sured val-
ues
–
Suitable for
tempera-
ture mea-
surement
Tempera-
ture sensor
types can
be parame-
terized
Lineariza-
tion of the
sensor
character-
istic curves
Smoothing
of the mea-
sured val-
ues
tempera-
ture mea-
surement
Tempera-
ture sensor
types can
be parame-
terized
Lineariza-
tion of the
sensor
character-
istic curves
Smoothing
of the mea-
sured val-
ues
Resistance
thermome-
ter can be
parameter-
ized
Lineariza-
tion of the
sensor
character-
istic curves
Smoothing
of the mea-
sured val-
ues
thermome-
ter can be
parameter-
ized
Lineariza-
tion of the
sensor
character-
istic curves
Smoothing
of the mea-
sured val-
ues
Internal
measuring
resistor
Field con-
nection
with inter-
nal refer-
ence tem-
perature
(included
with the
module)
Smoothing
of the mea-
sured val-
ues
measuring
resistor
Field con-
nection
with inter-
nal refer-
ence tem-
perature
(included
with the
module)
Smoothing
of the mea-
sured val-
ues
2-DMU
Two-wire transmitter
Table 5-2
Analog Output Modules: Characteristics at a Glance
Module
Characteristics
SM 432; AO 8
13 Bit
(-1HF00-)
Number of outputs
8 outputs
Resolution
13 bits
Output type
Channel by channel:
•
Voltage
•
Current
Programmable diagnostics
No
Diagnostic Interrupt
No
Substitute value output
No
Potential relationships
Analog section isolated from:
•
CPU
•
The load voltage