General information |
HW functional status |
01 |
Firmware version |
V3.3 |
Engineering with |
● Programming package |
V5.5 + SP1 or higher or V5.2 + SP1 or higher + HSP 219 |
Supply voltage |
Rated value (DC) |
24 V |
permissible range, lower limit (DC) |
19.2 V |
permissible range, upper limit (DC) |
28.8 V |
Reverse polarity protection |
Yes; against destruction |
external protection for power supply lines (recommendation) |
2 A min. |
Mains buffering |
● Mains/voltage failure stored energy time |
5 ms |
Input current |
Inrush current, max. |
1.8 A; Typical |
I²t |
0.09 A²·s |
from supply voltage 1L+, max. |
320 mA; 410 mA with DP master module |
Output current |
for backplane bus (5 V DC), max. |
700 mA |
Power loss |
Power loss, typ. |
4.2 W |
Memory |
Work memory |
● integrated |
128 kbyte |
● expandable |
No |
● Size of retentive memory for retentive data blocks |
64 kbyte |
Load memory |
● Plug-in (MMC) |
Yes |
● Plug-in (MMC), max. |
8 Mbyte |
● Data management on MMC (after last programming), min. |
10 y |
Backup |
● present |
Yes; Ensured by SIMATIC Micro Memory Card (maintenance-free) |
CPU processing times |
for bit operations, typ. |
0.06 µs |
for word operations, typ. |
0.12 µs |
for fixed point arithmetic, typ. |
0.16 µs |
for floating point arithmetic, typ. |
0.59 µs |
CPU-blocks |
Number of blocks (total) |
1 024; (DBs, FCs, FBs); the maximum number of loadable blocks can be reduced by the MMC used. |
DB |
● Number, max. |
1 024; Number range: 1 to 16000 |
● Size, max. |
64 kbyte |
FB |
● Number, max. |
1 024; Number range: 0 to 7999 |
● Size, max. |
64 kbyte |
FC |
● Number, max. |
1 024; Number range: 0 to 7999 |
● Size, max. |
64 kbyte |
OB |
● Description |
See S7-300 operation list |
● Size, max. |
64 kbyte |
● Number of free cycle OBs |
1; OB 1 |
● Number of time alarm OBs |
1; OB 10 |
● Number of delay alarm OBs |
2; OB 20, 21 |
● Number of cyclic interrupt OBs |
4; OB 32, 33, 34, 35 |
● Number of process alarm OBs |
1; OB 40 |
● Number of DPV1 alarm OBs |
3; OB 55, 56, 57 |
● Number of startup OBs |
1; OB 100 |
● Number of asynchronous error OBs |
6; OB 80, 82, 83 (for centralized I/O only, not for distributed I/O), 85, 86, 87 |
● Number of synchronous error OBs |
2; OB 121, 122 |
Nesting depth |
● per priority class |
16 |
● additional within an error OB |
4 |
Counters, timers and their retentivity |
S7 counter |
● Number |
256 |
Retentivity |
— adjustable |
Yes |
— lower limit |
0 |
— upper limit |
255 |
— preset |
Z 0 to Z 7 |
Counting range |
— lower limit |
0 |
— upper limit |
999 |
IEC counter |
● present |
Yes |
● Type |
SFB |
● Number |
Unlimited (limited only by RAM capacity) |
S7 times |
● Number |
256 |
Retentivity |
— adjustable |
Yes |
— lower limit |
0 |
— upper limit |
255 |
— preset |
No retentivity |
Time range |
— lower limit |
10 ms |
— upper limit |
9 990 s |
IEC timer |
● present |
Yes |
● Type |
SFB |
● Number |
Unlimited (limited only by RAM capacity) |
Data areas and their retentivity |
Flag |
● Number, max. |
256 byte |
● Retentivity available |
Yes; MB 0 to MB 255 |
● Retentivity preset |
MB 0 to MB 15 |
● Number of clock memories |
8; 1 memory byte |
Data blocks |
● Retentivity adjustable |
Yes; via non-retain property on DB |
● Retentivity preset |
Yes |
Local data |
● per priority class, max. |
32 kbyte; Max. 2048 bytes per block |
Address area |
I/O address area |
● Inputs |
2 048 byte |
● Outputs |
2 048 byte |
of which distributed |
— Inputs |
2 048 byte |
— Outputs |
2 048 byte |
Process image |
● Inputs |
2 048 byte |
● Outputs |
2 048 byte |
● Inputs, adjustable |
2 048 byte |
● Outputs, adjustable |
2 048 byte |
● Inputs, default |
128 byte |
● Outputs, default |
128 byte |
Digital channels |
● Inputs |
16 336 |
— of which central |
496 |
● Outputs |
16 336 |
— of which central |
496 |
Analog channels |
● Inputs |
1 021 |
— of which central |
124 |
● Outputs |
1 021 |
— of which central |
124 |
Hardware configuration |
Number of modules per system, max. |
63; Centralized |
Mounting rail |
● Number of mounting rails that can be used |
1 |
● Length of mounting rail, max. |
Station width: ≤ 1 m or < 2 m |
Time of day |
Clock |
● Hardware clock (real-time) |
Yes |
● retentive and synchronizable |
Yes |
● Backup time |
6 wk; At 40 °C ambient temperature, typically |
● Deviation per day, max. |
10 s; Typ.: 2 s |
● Behavior of the clock following POWER-ON |
Clock continues running after POWER OFF |
● Behavior of the clock following expiry of backup period |
Clock continues to run with the time at which the power failure occurred |
Operating hours counter |
● Number |
1 |
● Number/Number range |
0 |
● Range of values |
0 to 2^31 hours (when using SFC 101) |
● Granularity |
1 h |
● retentive |
Yes; Must be restarted at each restart |
Clock synchronization |
● supported |
Yes |
● to MPI, master |
Yes |
● to MPI, slave |
Yes |
● to DP, master |
Yes; With DP slave only slave clock |
● to DP, slave |
Yes |
● in AS, master |
No |
● in AS, slave |
No |
Interfaces |
Interfaces/bus type |
1 x MPI/PROFIBUS DP |
Number of industrial Ethernet interfaces |
0 |
Number of PROFINET interfaces |
0 |
Number of wireless interfaces |
0 |
1. Interface |
Interface type |
Integrated RS 485 interface |
Physics |
RS 485 |
Isolated |
Yes |
Power supply to interface (15 to 30 V DC), max. |
80 mA |
Protocols |
● MPI |
Yes |
● PROFIBUS DP master |
No |
● PROFIBUS DP slave |
Yes; active / passive |
● Point-to-point connection |
No |
MPI |
● Transmission rate, max. |
12 Mbit/s |
Services |
— PG/OP communication |
Yes |
— Routing |
Yes; With master module |
— Global data communication |
Yes |
— S7 basic communication |
Yes |
— S7 communication |
Yes; Only server, configured on one side |
— S7 communication, as client |
No |
— S7 communication, as server |
Yes |
PROFIBUS DP slave |
● GSD file |
The latest GSD file is available on the Internet (http://www.siemens.com/profibus-gsd) |
● Transmission rate, max. |
12 Mbit/s |
● automatic baud rate search |
Yes; only with passive interface |
● Address area, max. |
32 |
● User data per address area, max. |
32 byte; Up to max. size of the transfer memory |
Services |
— PG/OP communication |
Yes |
— Routing |
Yes; Only with active, integrated DP slave interface and inserted DP master module in DP master mode |
— Global data communication |
No |
— S7 basic communication |
No |
— S7 communication |
Yes; Only server, configured on one side |
— S7 communication, as client |
No |
— S7 communication, as server |
Yes |
— Direct data exchange (slave-to-slave communication) |
Yes |
— DPV1 |
No |
Transfer memory |
— Inputs |
244 byte |
— Outputs |
244 byte |
2. Interface |
Interface type |
External interface via master module 6ES7138-4HA00-0AB0 |
Physics |
RS 485 |
Isolated |
Yes |
Power supply to interface (15 to 30 V DC), max. |
No |
Protocols |
● MPI |
No |
● PROFIBUS DP master |
Yes |
● PROFIBUS DP slave |
No |
PROFIBUS DP master |
● Transmission rate, max. |
12 Mbit/s |
● Number of DP slaves, max. |
32; Per station |
Services |
— PG/OP communication |
Yes |
— Routing |
Yes |
— Global data communication |
No |
— S7 basic communication |
Yes; I blocks only |
— S7 communication |
Yes; Only server, configured on one side |
— S7 communication, as client |
No |
— S7 communication, as server |
Yes |
— Equidistance |
Yes |
— Isochronous mode |
No |
— SYNC/FREEZE |
Yes |
— Activation/deactivation of DP slaves |
Yes |
— Number of DP slaves that can be simultaneously activated/deactivated, max. |
8 |
— Direct data exchange (slave-to-slave communication) |
Yes |
— DPV1 |
Yes |
Address area |
— Inputs, max. |
2 kbyte |
— Outputs, max. |
2 kbyte |
User data per DP slave |
— Inputs, max. |
244 byte |
— Outputs, max. |
244 byte |
Isochronous mode |
Isochronous operation (application synchronized up to terminal) |
No |
Communication functions |
PG/OP communication |
Yes |
Data record routing |
Yes; With DP master module |
Global data communication |
● supported |
Yes |
● Number of GD loops, max. |
8 |
● Number of GD packets, max. |
8 |
● Number of GD packets, transmitter, max. |
8 |
● Number of GD packets, receiver, max. |
8 |
● Size of GD packets, max. |
22 byte |
● Size of GD packet (of which consistent), max. |
22 byte |
S7 basic communication |
● supported |
Yes |
● User data per job, max. |
76 byte |
● User data per job (of which consistent), max. |
76 byte; 76 bytes (with X_SEND or X_RCV); 64 bytes (with X_PUT or X_GET as server) |
S7 communication |
● supported |
Yes |
● as server |
Yes |
● as client |
No |
● User data per job, max. |
See online help of STEP 7 (shared parameters of the SFBs/FBs and of the SFCs/FCs of S7 Communication) |
● User data per job (of which consistent), max. |
See online help of STEP 7 (shared parameters of the SFBs/FBs and of the SFCs/FCs of S7 Communication) |
Number of connections |
● overall |
12 |
● usable for PG communication |
11 |
— reserved for PG communication |
1 |
— adjustable for PG communication, min. |
1 |
— adjustable for PG communication, max. |
11 |
● usable for OP communication |
11 |
— reserved for OP communication |
1 |
— adjustable for OP communication, min. |
1 |
— adjustable for OP communication, max. |
11 |
● usable for S7 basic communication |
10 |
— reserved for S7 basic communication |
0 |
— adjustable for S7 basic communication, min. |
0 |
— adjustable for S7 basic communication, max. |
10 |
● usable for routing |
4; As slave only with active interface, with IM 151-7 CPU as DP master |
S7 message functions |
Number of login stations for message functions, max. |
12; Depending on the configured connections for PG/OP and S7 basic communication |
Process diagnostic messages |
Yes; ALARM_S, ALARM_SC, ALARM_SQ, ALARM_D, ALARM_DQ |
simultaneously active Alarm-S blocks, max. |
300 |
Test commissioning functions |
Status block |
Yes; Up to 2 simultaneously |
Single step |
Yes |
Number of breakpoints |
4 |
Status/control |
● Status/control variable |
Yes |
● Variables |
Inputs, outputs, memory bits, DB, times, counters |
● Number of variables, max. |
30 |
— of which status variables, max. |
30 |
— of which control variables, max. |
14 |
Forcing |
● Forcing |
Yes |
● Forcing, variables |
Inputs, outputs |
● Number of variables, max. |
10 |
Diagnostic buffer |
● present |
Yes |
● Number of entries, max. |
500 |
— adjustable |
No |
— of which powerfail-proof |
100; Only the last 100 entries are retained |
● Number of entries readable in RUN, max. |
499 |
— adjustable |
Yes; From 10 to 499 |
— preset |
10 |
Service data |
● can be read out |
Yes |
Interrupts/diagnostics/status information |
Alarms |
Yes |
Diagnostics function |
Yes |
Diagnostics indication LED |
● Group error SF (red) |
Yes |
● Monitoring 24 V voltage supply ON (green) |
Yes |
Potential separation |
between PROFIBUS DP and all other circuit components |
Yes |
Permissible potential difference |
between different circuits |
75 V DC/60 V AC |
Isolation |
Isolation tested with |
500 V DC |
Degree and class of protection |
IP degree of protection |
IP20 |
Configuration |
Configuration rules |
max. 63 peripheral modules per station; station width < 1 m or < 2 m; max. 10 A per load group (power module); master interface module on right next to IM 151-7 CPU (X2 interface) |
Configuration software |
● STEP 7 Lite |
No |
Programming |
● Command set |
see instruction list |
● Nesting levels |
8 |
● System functions (SFC) |
see instruction list |
● System function blocks (SFB) |
see instruction list |
Programming language |
— LAD |
Yes |
— FBD |
Yes |
— STL |
Yes |
— SCL |
Yes; Optional |
— CFC |
Yes; Optional |
— GRAPH |
Yes; Optional |
— HiGraph® |
Yes; Optional |
Know-how protection |
● User program protection/password protection |
Yes |
● Block encryption |
Yes; With S7 block Privacy |
Cycle time monitoring |
● lower limit |
1 ms |
● upper limit |
6 000 ms |
● adjustable |
Yes |
● preset |
150 ms |
Dimensions |
Width |
60 mm; DP master module: 35 mm |
Height |
119.5 mm |
Depth |
75 mm |
Weights |
Weight, approx. |
200 g; DP master module: Approx. 100 g |
last modified: |
11/10/2018 |