1. SIMATIC S7Ć300
Analog input/output modules
General
Overview • Analog inputs and outputs
for the S7Ć300
• For solving even more comĆ
plex tasks involving analog
process signals
• For connecting analog acĆ
tuators and sensors without
additional amplifiers
Application Analog I/O modules contain Analog I/O modules offer the S Powerful analog technology;
analog inputs/outputs for the user the following advantages: different I/O areas and high
SIMATIC S7Ć300. Analog senĆ S Optimal adaptation; resolution enable connection
sors and actuators can be the number of inputs/outputs of a wide variety of analog
connected to the SIMATIC can be adapted to the task sensors and actuators
S7Ć300 via these modules. via modules that can be
combined in any way. There
is no need for surplus inĆ
vestment.
Design Analog input modules are Easy assembly; UserĆfriednly wiring;
characterized by the following the module is mounted on the the modules are wired by
mechanical features: DIN rail and connected to the means of a plugĆin front conĆ
Compact design; adjacent modules via bus nector. When the connector is
the rugged plastic housing connectors. There are no slot plugged in for the first time, a
contains: rules: The input addresses coding element engages so
are defined by the slots. that the connector can only be
S Red LEDs for group faults/
plugged into modules of the
errors
same type.
S Front connector protected
When the module is replaced,
by the front panel
the front connector can be
S Labeling area on the front
used in its fully wired state for
panel
the new module of the same
type.
3/36 Siemens ST 70 · 1999

2. SIMATIC S7Ć300
Analog input/output modules
SM 331 analog input modules
Overview • Analog inputs for the
SIMATIC S7Ć300
• For connecting voltage and
current sensors, thermoĆ
couples, resistors and resiĆ
stance thermometers
Application Analog input modules convert Voltage and current sensors,
analog signals from the proĆ thermocouples, resistors and
cess to digital signals for inĆ resistance thermometers can
ternal processing within the be connected as sensors.
S7Ć300.
Function Features also include: S A variety of measuring ranĆ S Interrupt capability:
S Configurable resolution from ges: The module transmits diaĆ
9 to 15 bits + sign (for differĆ The basic current/voltage gnostic and limit value interĆ
ent conversion times) measuring ranges are set rupts to the programmable
mechanically with range controller's CPU.
cards; fine adjustment is S Diagnostics:
made with the STEP 7 The module sends extensive
Hardware Configuration" diagnostic information to the
function on a programming CPU.
device.
Technical specifications
SM 331 6ES7 331- 7KF01-0AB0 7KB01-0AB0 / 7KB81-0AB01) 7NF00-0AB0
Number of inputs 8 2 8
S for resistance measurements 4 1 Ċ
Rated load voltage L+ 24 V DC 24 V DC Ċ
S Polarity reversal protection Yes Yes Ċ
Input ranges/
input resistance
S Voltage ± 80 mV/10 Mohms ± 80 mV/10 Mohms ± 5 mV/2 Mohms
± 250 mV/10 Mohms ± 250 mV/10 Mohms 1 to 5 V/2 Mohms
± 500 mV/10 Mohms ± 500 mV/10 Mohms ± 10 V/2 Mohms
± 1 V/10 Mohms ± 1 V/10 Mohms
± 2.5 V/100 kohms ± 2.5 V/100 kohms
± 5 V/100 Mohms ± 5 V/100 Mohms
1 to 5 V/100 Mohms 1 to 5 V/100 Mohms
± 10 V/100 Mohms ± 10 V/100 Mohms
S Current ± 10 mA/25 ohms ± 10 mA/25 ohms ± 20 mA/250 ohms
± 3.2 mA/25 ohms ± 3.2 mA/25 ohms 0 to 20 mA/250 ohms
± 20 mA/25 ohms ± 20 mA/25 ohms 4 to 20 mA/250 ohms
0 to 20 mA/25 ohms 0 to 20 mA/25 ohms
4 to 20 mA/25 ohms 4 to 20 mA/25 ohms
S Resistance 150 ohms/10 Mohms 150 ohms/10 Mohms Ċ
300 ohms/10 Mohms 300 ohms/10 Mohms
600 ohms/10 Mohms 600 ohms/10 Mohms
S Thermocouples Type E, N, J, K/10 Mohms Type E, N, J, K/10 Mohms Ċ
S Resistance thermometers Pt 100 standard/ 10 Mohms Pt 100 standard/ 10 Mohms Ċ
Ni 100 standard Ni 100 standard
Permissible input voltage
for voltage input max. 20 V 20 V 50 V
Permissible input current
for current input max. 40 mA 40 mA 32 mA
1) With extended temperature range
Siemens ST 70 · 1999 3/37

3. SIMATIC S7Ć300
Analog input/output modules
SM 331 analog input modules (continued)
Technical specifications (continued)
SM 331 6ES7 331- 7KF01-0AB0 7KB01-0AB0 / 7KB81-0AB01) 7NF00-0AB0
Optical isolation to backplane bus Yes Yes Yes
Characteristic linearization
S for thermocouples Type N, E, J, K Type N, E, J, K Ċ
S for resistance thermometers Pt 100 (standard range) Pt 100 (standard range) Ċ
Ni 100 (standard range) Ni 100 (standard range)
Temperature compensation Configurable Configurable Ċ
S Internal Possible Possible Ċ
S External with compensation sokĆ Possible Possible Ċ
ket
S External with Pt 100 Ċ Ċ Ċ
Conversion time2)/
resolution (per channel)
S Integration time 2.5 16.6 20 100 ms 2.5 16.6 20 100 ms 2.5 16.7 20 100 ms
S Resolution (S=sign)
unipolar 9 12 12 14 bits 9 12 12 14 bits 15 15 15 15 bits
bipolar 9+S 12+S 12+S 14+S bits 9+S 12+S 12+S 14+S bits 15+S 15+S 15+S 15+S bits
S Interference voltage suppresĆ
sion for interference frequency 400 60 50 10 Hz 400 60 50 10 Hz 100 60 50 10 Hz
Operating error limit
(over entire temperature range ± 0.1 % (voltage)
referred to input range) max. ±1% ±1% ± 0.3 % (current)
Basic error limit
(operating error limit at 25 °C, referĆ ± 0.05 % (voltage)
red to input range) max. ± 0.6 % ± 0.6 % ± 0.05 % (current)
Interrupts
S LimitĆvalue interrupt Configurable Configurable Configurable channels 0 and 2
S Diagnostics interrupt Configurable channels 0 and 2 Configurable channel 0 Configurable
Diagnostics Red LED for group faults and errors, Red LED for group faults and errors, Red LED for group faults and errors,
diagnostic information can be read diagnostic information can be read diagnostic information can be read
out out out
Cable length (shielded) max. 200 m (50 m at 80 mV) 200 m (50 m at 80 mV) 200 m
Power consumption
S from backplane bus max. 60 mA 60 mA 60 mA 60 mA 130 mA
S from L+ max. 200 mA 80 mA 200 mA 80 mA Ċ
Power loss typ. 1.3 W 1.3 W 0.6 W
Optical isolation, tested at 500 V DC 500 V DC 500 V AC
Dimensions (W x H x D) in mm 40x125x120 40x125x120 40 x 125 x 120
Weight 250 g 250 g 270 g
1) With extended temperature range
2) Further specifications are required for calculating the cycle time. You can find these in the manual S7Ć300 Installation and Hardware".
Ordering data Order No. Order No.
SM 331 analog input modules Shield connecting element 6ES7 390-5AA00-0AA0
incl. labeling strips, bus connector, 80 mm wide, with two rows for
range cards; 4 shield terminal elements each
S with 8 inputs 6ES7 331-7KF01-0AB0
Terminal element (2 pcs.)
S with 2 inputs 6ES7 331-7KB01-0AB0
S for 2 cables 6ES7 390-5AB00-0AA0
S with 2 inputs, extended temperaĆ 6ES7 331-7KB81-0AB0 with diam. 2 to 6 mm
ture range
S for 1 cable 6ES7 390-5BA00-0AA0
S with 8 inputs, enhanced resoluĆ 6ES7 331-7NF00-0AB0 with diam. 3 to 8 mm
tion
S for 1 cable 6ES7 390-5CA00-0AA0
Range card for analog inputs 6ES7 974-0AA00-0AA0 with diam. 4 to 13 mm
1 module for 2 analog inputs;
Labeling cover 6ES7 392-2XY00-0AA0
2 cards (spare part)
(10 pcs.)
Front connector (1 pc.) for signal modules (except
S 20Ćpin, with screwĆtype terminals 6ES7 392-1AJ00-0AA0 32Ćchannel modules), function
S 20Ćpin, with springĆloaded term. 6ES7 392-1BJ00-0AA0 modules and CPU 312 IFM
S 40Ćpin, with screwĆtype terminals 6ES7ā392-1AM00-0AA0 Labeling strips 6ES7 392-2XX00-0AA0
S 40Ćpin, with springĆloaded term. 6ES7ā392-1BM01-0AA0 (10 pcs., spare part)
Bus connector 1 pc. (spare part) 6ES7 390-0AA00-0AA0 for signal modules (except
32Ćchannel modules), function
modules and CPU 312 IFM
3/38 Siemens ST 70 · 1999

4. SIMATIC S7Ć300
Analog input/output modules
SM 331 analog input modules (continued)
1 L+ 1 L+
2 2 1 21
V V
3 A 3 A 0 0 A2 22
4 4 3 23 CH0
1 1
V V
5 A 5 A 2 2 4 24
+ CH1
6 3 3 5 25 V –
V
7 A 4 4 6 26
+
CH2
8 5 5 7 27 V –
V 8 28
9 A 6 6 +
CH4
9 29 V –
10 10 7 7
10 30
COMP COMP 11 31
11 11
12 12 32
+
V CH5
13 A 0 0 13 33 V –
14 1 1 14 34
+ CH6
15 V 2 2 15 35 V –
A
16 3 3 16 36
+ CH7
17 V 4 4 17 37 V –
A
18 5 5 18 38
+ CH4
19 V 6 6 19 39 V –
A
7 7 20 40
20 20
M M
6ES7 331Ć7KF01Ć0AB0 6ES7 331Ć7KB01Ć0AB0 6ES7 331Ć1BL00Ć0AA0
6ES7 331Ć7KB81Ć0AB0
Fig. 1/10 Terminal connection diagram of the SM 331 analog input modules
Siemens ST 70 · 1999 3/39

5. SIMATIC S7Ć300
Analog input/output modules
SM 332 analog output modules
Overview • Analog outputs for SIMATIC
S7Ć300
• For connecting analog
actuators
Application Analog output modules conĆ
vert digital signals from the
S7Ć300 to analog signals for
the process.
Function Features also include: S Interrupt capability:
S Resolution 12 to 15 bits. The module transmits diaĆ
S A variety of voltage and curĆ gnostic and limit value interĆ
rent ranges: rupts to the programmable
Ranges are set indepenĆ controller's CPU on occurĆ
dently for each channel by rence of errors.
means of parameterization S Diagnostics:
software. The module sends extensive
diagnostic information to the
CPU.
Technical specifications
SM 332 6ES7 332- 5HD01-0AB0 5HB01-0AB0 7ND00-0AB0
5HB81-0AB01)
Number of outputs 4 2 4
Rated load voltage 24 V DC 24 V DC 24 V DC
Output ranges
S Voltage outputs 0 to 10 V; ± 10 V; 1 to 5 V 0 to 10 V; ± 10 V; 1 to 5 V 0 to 10 V; ± 10 V; 1 to 5 V
S Current outputs 4 to 20 mA; ± 20 mA; 4 to 20 mA; ± 20 mA; 4 to 20 mA; ± 20 mA;
0 to 20 mA 0 to 20 mA 0 to 20 mA
Load impedance
S Voltage outputs max. 1 kohms 1 kohms 1 kohms
S Current outputs max. 0.5 kohms 0.5 kohms 0.5 kohms
S Capacitive loads max. 1 mF 1 mF 1 mF
S Inductive loads max. 1 mH 1 mH 1 mH
Voltage output
S ShortĆcircuit protection Yes Yes Yes
S ShortĆcircuit current max. 25 mA 25 mA 40 mA
Power output
S OpenĆcircuit current max. 18 V 18 V 18 V
Optical isolation
to backplane bus Yes Yes Yes
Resolution 11 bits + sign 11 bits + sign 15 bits + sign
(at "10 V; "20 mA, 4 to (at "10 V; "20 mA, 4 to
20 mA, 1 to 5 V); 20 mA, 1 to 5 V);
12 bits 12 bits
at 0 to 10 V; to 20 mA) at 0 to 10 V; to 20 mA)
Conversion time per channel max. 0.8 ms 0.8 ms 1.5 ms
Settling time
S Resistive loads 0.1 ms 0.1 ms 0.2 ms
S Capacitive loads 3.3 ms 3.3 ms 0.5 ms
S Inductive loads 0.5 ms 0.5 ms 0.5 ms
Substitute values Configurable Configurable Configurable
1) With extended temperature range
3/40 Siemens ST 70 · 1999

6. SIMATIC S7Ć300
Analog input/output modules
SM 332 analog output modules (continued)
Technical specifications (continued)
SM 332 6ES7 332- 5HD01-0AB0 5HB01-0AB0 7ND00-0AB0
5HB81-0AB01)
Operational limit
(0 to 60 °C, referred to
output range)
S Voltage " 0.5 % " 0.5 % " 0.12 %
S Current " 0.6 % " 0.6 % " 0.18 %
Basic error
(operational limit at 25 °C,
referred to output range)
S Voltage " 0.2 % " 0.2 % " 0.01 %
S Current " 0.3 % " 0.3 % " 0.01 %
Interrupts
S Diagnostic interrupt Yes Yes Yes
Diagnostics Red LED for group fault error; Red LED for group fault error; Red LED for group fault error;
diagnostics information can be read diagnostics information can be read diagnostics information can be read
out out out
Cable length (shielded) max. 200 m 200 m 200 m
Power consumption
S from backplane bus max. 60 mA 60 mA 60 mA
S from L+ max. 240 mA 135 mA 240 mA
Power loss typ. 3W 3W 3W
Optical isolation, tested at 500 V DC 500 V DC 500 V DC
Dimensions (W x H x D) in mm 40 x 125 x 120 40 x 125 x 120 40 x 125 x 120
Weight approx. 220 g 220 g 220 g
1) With extended temperature range
Ordering data Order No. Order No.
SM 332 analog output modules Terminal element (2 pcs.)
incl. labeling strips, bus connector S for 2 cables 6ES7 390-5AB00-0AA0
S with 4 outputs 6ES7 332-5HD01-0AB0 with diam. 2 to 6 mm
S with 4 outputs, 15 bits 6ES7 332-7ND00-0AB0 S for 1 cable 6ES7 390-5BA00-0AA0
S with 2 outputs 6ES7 332-5HB01-0AB0 with diam. 3 to 8 mm
S with 2 outputs, extended tempeĆ 6ES7 332-5HB81-0AB0 S for 1 cable 6ES7 390-5CA00-0AA0
rature range with diam. 4 to 13 mm
Bus connector 6ES7 390-0AA00-0AA0 Labeling cover 6ES7 392-2XY00-0AA0
(1 pc., spare part) (10 pcs.)
for signal modules (except
Front connector (1 pc.)
32Ćchannel modules), function
S 20Ćpin, with screwĆtype termiĆ 6ES7 392-1AJ00-0AA0 modules and CPU 312 IFM
nals
S 20Ćpin, with springĆloaded termiĆ 6ES7 392-1BJ00-0AA0 Labeling strips 6ES7 392-2XX00-0AA0
nals (10 pcs., spare part)
for signal modules (except
Shield-connecting element 6ES7 390-5AA00-0AA0 32Ćchannel modules), function
80 mm wide, with two rows for modules and CPU 312 IFM
4 shield terminal elements each
1 L+ 1 L+ 1 L+
3 3 3
4 4 4
5 5 5
6 6 6
7 7 7
8 8 8
9 9 9
10 10 10
11 11
12 12
13 13
14 14
15 15
16 16
17 17
18 18
20 20 20
M M M
6ES7 332Ć5HD01Ć0AB0 6ES7 332Ć5HB01Ć0AB0 6ES7 332Ć7ND00Ć0AB0
6ES7 332Ć5HB81Ć0AB0
Fig. 1/11 Terminal connection diagram of the SM 332 analog output modules
Siemens ST 70 · 1999 3/41

7. SIMATIC S7Ć300
Analog input/output modules
SM 334 analog input/output module
Overview • Analog inputs and outputs
for SIMATIC S7Ć300
• For connecting analog senĆ
sors and actuators
Application The analog input/output moĆ S digital signals from the
dule converts S7Ć300 to analog signals
S analog signals from the proĆ for the process.
cess to digital values for the
S7Ć300, and
Function The analog input/output moĆ S 8Ćbit output resolution S Measuring ranges of 0 to
dule also includes: 10 V or 0 to 20 mA:
S 4 inputs, 2 outputs The range is selected by
S 8Ćbit input resolution means of the appropriate
connections on the module.
Technical specifications
SM 334 6ES7 334- 0CE01-0AA0 0KE00-0AB0 SM 334 6ES7 334- 0CE01-0AA0 0KE00-0AB0
Inputs 4 4 Outputs 2 2
S for resistance measurement Ċ 4 Output ranges
Rated load voltage L+ 24 V DC 24 V DC S Voltage outputs 0 to 10 V 0 to 10 V
Input ranges/ 0 to 10V/100kohms 0 to S Current outputs 0 to 20 mA Ċ
input resistance 0 to 20mA/ 10V/100kohms Load impedance
50kohms 10Ćkohm resiĆ S Voltage outputs min. 5 kohms 2.5 kohms
stance, Pt 100 S Current outputs max. 0.3 kohms Ċ
Permissible input voltage S Capacitive loads max. 1 mF 1 mF
for voltage input max. 20 V 20 V S Inductive loads max. 1 mH Ċ
Permissible input current Voltage output
for current input max. 20 mA Ċ S ShortĆcircuit protection Yes Yes
Optical isolation No Yes S ShortĆcircuit current max. 11 mA 10 mA
Resolution 8 bits 12 bits Power output
Operational limit S OpenĆcircuit current max. 15 V Ċ
(over entire temperature range, reĆ Optical isolation
ferred to input range) to backplane bus No Yes
S Voltage " 0.9 % " 0.7 % Resolution 8 bits 12 bits
S Current " 0.8 % Ċ Cycle time (all channels/AI + AO) 5 ms 85 ms
S 10 kohms Ċ " 3.0 % Settling time
S Pt 100 Ċ " 0.7 %
S Resistive loads max. 0.3 ms 0.8 ms
Basic error S Capacitive loads max. 3 ms 0.8 ms
(operational limit at 25 _C, referred
S Inductive loads max. 0.3 ms Ċ
to output range)
Substitute values Ċ Ċ
S Voltage " 0.7 % " 0.5 %
Operational limit
S Current " 0.6 % Ċ
(0 to 60 _C, referred to output
S 10 kohms Ċ " 2.0 % range)
S Pt 100 Ċ " 0.5 %
S Voltage " 0.6 % " 1.0 %
Interrupts S Current " 1.0 % Ċ
S LimitĆvalue interrupt Ċ Ċ
S Diagnostics interrupt Ċ Ċ
Diagnostics Ċ Ċ
3/42 Siemens ST 70 · 1999

8. SIMATIC S7Ć300
Analog input/output modules
SM 334 analog input/output module
(continued)
Technical specifications
SM 334 6ES7 334- 0CE01-0AA0 0KE00-0AB0 SM 334 6ES7 334- 0CE01-0AA0 0KE00-0AB0
Outputs (continued) General
Basic error Cable length (shielded) max. 200 m 100 m
(operational limit at 25 _C, referred Power consumption
to output range) S from S7Ć300 backplane
S Voltage " 0.4 % " 0.85 % bus max. 55 mA 60 mA
S Current " 0.8 % Ċ S from L+ max. 110 mA 80 mA
Interrupts Power loss typ. 2.6 ohms 2 ohms
S Diagnostic interrupt Ċ Ċ Dimensions (W x H x D) in mm 40 x 125 x 120 40 x 125 x 120
Weight 285 g 200 g
Ordering data Order No. Order No.
SM 334 analog input/output mo- 6ES7 334-0CE01-0AA0 Terminal element (2 pcs.)
dule1) S for 2 cables 6ES7 390-5AB00-0AA0
incl. labeling strips, bus connecĆ with diam. 2 to 6 mm
tor; S for 1 cable 6ES7 390-5BA00-0AA0
S with 4 inputs and 2 outputs 6ES7 334-0CE01-0AA0 with diam. 3 to 8 mm
S with 4 inputs and 2 outputs; resiĆ 6ES7 334-0KE00-0AB0 S for 1 cable 6ES7 390-5CA00-0AA0
stance measurement, Pt 100 with diam. 4 to 13 mm
Bus connector 6ES7 390-0AA00-0AA0 Labeling cover 6ES7 392-2XY00-0AA0
(1 pc., spare part) (10 pcs.)
for signal modules (except
Front connector (1 pc.)
32Ćchannel modules), function
S 20Ćpin, with screwĆtype termiĆ 6ES7 392-1AJ00-0AA0
modules and CPU 312 IFM
nals
S 20Ćpin, with springĆloaded termiĆ 6ES7 392-1BJ00-0AA0 Labeling strips 6ES7 392-2XX00-0AA0
nals (10 pcs., spare part)
for signal modules (except
Shield connecting element 6ES7 390-5AA00-0AA0
32Ćchannel modules), function
80 mm wide, with two rows for
modules and CPU 312 IFM
4 shield terminal elements each
1 L+ 24 V
1 L+ 2
2
V 3
3
4
4 A
5
5
V 6
6
7
7 A
8
8
V 9
9
10
10 A
M
V
11
11 L+ V 12
12
13
13
A 14 V
14 V
15
15
16
16 A
17 V
17 V
18
18
19 V
19 A
20
20 M
M
6ES7 334Ć0CE00Ć0AA0 6ES7 334Ć0KE00Ć0AB0
Fig. 1/12 Terminal connection diagram of the SM 334 analog input/output module
Siemens ST 70 · 1999 3/43

9. SIMATIC S7Ć300
Analog input/output modules
SM 338 POS input module
Overview • Interface between up to 3
absolute encoders (SSI)
and the CPU
• For providing the position
encoder values for further
processing in the STEP 7
program
• Enables the controller to reĆ
spond direct to encoder
values in mobile systems.
Application The POS input module conĆ The acquired values can be In addition, SSI position enĆ
verts processed direct in the STEP coder statuses can be frozen
S SSI position encoder signals 7 program thus enabling diĆ via two internal digital inputs.
from the process to digital rect response to encoder valĆ This makes possible further
values for the S7Ć300. ues in mobile systems. timeĆcritical applications in
the area of position encoding.
Function The POS input module has the S 3 SSI encoder inputs
following: S 2 digital inputs
S 24 V DC encoder supply
Technical specifications
General SSI encoder inputs
Rated load voltage L+ 24 V DC Position encoding Absolute
S Acceptable range 20.4 to 28.2 V Cable length (shielded) max. 320 m at 125 kHz
Isolation No 160 m at 250 kHz
Encoder supply 60 m at 500 kHz
S Output voltage L+ - 0.8 V 20 m at 1 MHz
S Output current max. 900 mA Digital inputs
Interrupts Input voltage
S Diagnostic interrupt Configurable S with 1" signal 11 to 30.2 V
Current consumption S with 0" signal -3 to 5 V
S from S7Ć300 backplane bus max. 160 mA Input current
S from L+ max. 10 mA S with 1" signal typ. 9 mA
Power loss typ. 3 ohms S with 0" signal max. 2 mA
Dimensions (W x H x D) in mm 40 x 125 x 120 Input delay 300 µs
Weight 235 g Connection of 2Ćwire BERO Yes
Cable length (shielded) max. 600 m
3/44 Siemens ST 70 · 1999

10. SIMATIC S7Ć300
Analog input/output modules
SM 338 POS input module (continued)
Ordering data Order No. Order No.
SM 338 POS input module 6ES7 338-4BC00-0AB0
for acquiring SSI encoder values
from up to 3 absolute encoders;
incl. labeling strips, bus connectors
To CPU ground
1 L+ 24 V
2
3 M
4
5
SSI
6
7
8
9
SSI
10
11
12
13
SSI
14
15
16
17
18
19
20
6ES7 338Ć4BG00Ć0AB0
Fig. 1/13 Terminal connection diagram of the SM 338 POS input module
Siemens ST 70 · 1999 3/45