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
Between
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
Between
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
Between
the chan-
nels or be-
tween the
channel
and central
ground
point:
120 VAC
Between
channel
and central
ground
point:
120 VAC
Between
the chan-
nels or be-
tween the
channel
and central
ground
point:
120 VAC
Ext. Power Supply
Necessary
No 24 VDC
(only with
current,
2-DMU)
24 VDC
(only with
current,
2-DMU)
24 VDC
(only with
current,
2-DMU)
24 VDC
(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
Rapid A/D
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
Resistance
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
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
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