IM 151-8F PN/DP CPU

General information

Hardware product version

01

Firmware version

V3.2

Engineering with

• ● Programming package

STEP 7 V5.5 or higher, Distributed Safety V5.4 SP4

Supply voltage

Rated value (DC)

24 V

permissible range, lower limit (DC)

20.4 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

0.13 A²·s

from supply voltage 1L+, max.

352 mA; 426 mA with DP master module

Output current

for backplane bus (5 V DC), max.

700 mA

Power loss

Power loss, typ.

5.5 W

Memory

Work memory

• ● integrated

256 kbyte; For program and data

• ● 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 isochronous mode OBs

1; OB 61; only for PROFINET

• ● Number of startup OBs

1; OB 100

• ● Number of asynchronous error OBs

6; OB 80, 82, 83, 85, 86, 87 (OB83 only for centralized I/O and PROFINET IO)

• ● 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

• — can be set

Yes

• — lower limit

0

• — upper limit

999

IEC counter

• ● 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

• ● Retentivity preset

MB 0 to MB 15

• ● Number of clock memories

8; 1 memory byte

Data blocks

• ● Number, max.

1 024; Number range: 1 to 16000

• ● Size, max.

64 kbyte

• ● Retentivity adjustable

Yes; via non-retain property on DB

• ● Retentivity preset

Yes

Local data

• ● per priority class, max.

32 768 byte; 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, adjustable

2 048 byte

• ● Outputs, adjustable

2 048 byte

• ● Inputs, default

128 byte

• ● Outputs, default

128 byte

Subprocess images

• ● Number of subprocess images, max.

1; With PROFINET IO, the length of the user data is limited to 1600 bytes

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 hour

• ● retentive

Yes; Must be restarted at each restart

Clock synchronization

• ● supported

Yes

• ● to MPI, master

No

• ● to MPI, slave

No

• ● to DP, master

Yes; With DP master module

• ● to DP, slave

Yes; With DP master module

• ● in AS, master

No

• ● in AS, slave

No

• ● on Ethernet via NTP

Yes; As client

Interfaces

Number of PROFINET interfaces

3

Number of wireless interfaces

0

1. Interface

Interface type

PROFINET

Physics

Ethernet

Isolated

Yes

automatic detection of transmission rate

Yes

Autonegotiation

Yes

Autocrossing

Yes

Change of IP address at runtime, supported

Yes

Interface types

• ● Number of ports

3; RJ45

• ● integrated switch

Yes

Functionality

• ● MPI

No

• ● PROFINET IO Controller

Yes; Also simultaneously with IO-Device functionality

• ● PROFINET IO Device

Yes; Also simultaneously with IO Controller functionality

• ● PROFINET CBA

Yes

• ● PROFIBUS DP master

No

• ● PROFIBUS DP slave

No

• ● Open IE communication

Yes; Via TCP/IP, ISO on TCP, and UDP

• ● Web server

Yes

• — Number of HTTP clients

5

• ● Point-to-point connection

No

PROFINET IO Controller

• ● Transmission rate, max.

100 Mbit/s; full duplex

Services

• — PG/OP communication

Yes

• — Routing

Yes; With DP master module

• — S7 communication

Yes; with loadable FBs

• — Isochronous mode

Yes; OB 61; only for PROFINET IO

• — Open IE communication

Yes; Via TCP/IP, ISO on TCP, and UDP

• — IRT

Yes

• — MRP

Yes

• — Shared device

Yes

• — Prioritized startup

Yes

• — Number of IO devices with prioritized startup, max.

32

• — Number of connectable IO Devices, max.

128

• — Of which IO devices with IRT, max.

64

• — of which in line, max.

64

• — Number of IO Devices with IRT and the option "high flexibility"

128

• — of which in line, max.

61

• — Number of connectable IO Devices for RT, max.

128

• — of which in line, max.

128

• — Activation/deactivation of IO Devices

Yes

• — Number of IO Devices that can be simultaneously activated/deactivated, max.

8

• — IO Devices changing during operation (partner ports), supported

Yes

• — Number of IO Devices per tool, max.

8

• — Device replacement without swap medium

Yes

• — Send cycles

250 μs, 500 μs,1 ms; 2 ms, 4 ms (not in the case of IRT with "high flexibility" option)

• — Updating time

Minimum value depends on communication share set for PROFINET I/O, on the number of I/O devices, and on the number of configured user data items.

• — Updating times

250 µs to 512 ms (depends on operating mode; for more details, refer to Operating Instructions, "Interface Module IM151-8 PN/DP CPU")

Address area

• — Inputs, max.

2 kbyte

• — Outputs, max.

2 kbyte

• — User data consistency, max.

1 024 byte; with PROFINET I/O

PROFINET IO Device

Services

• — PG/OP communication

Yes

• — Routing

Yes

• — S7 communication

Yes; with loadable FBs

• — Isochronous mode

No

• — Open IE communication

Yes; Via TCP/IP, ISO on TCP, and UDP

• — IRT

Yes

• — MRP

Yes

• — PROFIenergy

Yes; With SFB 73 / 74 prepared for loadable PROFIenergy standard FB for I-Device

• — Shared device

Yes

• — Number of IO Controllers with shared device, max.

2

Transfer memory

• — Inputs, max.

1 440 byte; Per IO Controller with shared device

• — Outputs, max.

1 440 byte; Per IO Controller with shared device

Submodules

• — Number, max.

64

• — User data per submodule, max.

1 024 byte

PROFINET CBA

• ● acyclic transmission

Yes

• ● cyclic transmission

Yes

Open IE communication

• ● Number of connections, max.

8

• ● Local port numbers used at the system end

0, 20, 21, 23, 25, 80, 102, 135, 161, 443, 8080, 34962, 34963, 34964, 65532, 65533, 65534, 65535

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

Functionality

• ● MPI

No

• ● PROFINET IO Controller

No

• ● PROFINET IO Device

No

• ● PROFINET CBA

No

• ● PROFIBUS DP master

Yes

• ● PROFIBUS DP slave

No

• ● Open IE communication

No

• ● Web server

No

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

• — 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.

2 048 byte

• — Outputs, max.

2 048 byte

User data per DP slave

• — Inputs, max.

244 byte

• — Outputs, max.

244 byte

Protocols

Open IE communication

• ● TCP/IP

• — Number of connections, max.

8

• — Data length for connection type 01H, max.

1 460 byte

• — Data length for connection type 11H, max.

32 768 byte

• — several passive connections per port, supported

Yes

• ● ISO-on-TCP (RFC1006)

Yes; via integrated PROFINET interface and loadable FBs

• — Number of connections, max.

8

• — Data length, max.

32 768 byte

• ● UDP

• — Number of connections, max.

8

• — Data length, max.

1 472 byte

Media redundancy

• ● Switchover time on line break, typ.

200 ms; PROFINET MRP

• ● Number of stations in the ring, max.

50

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

No

S7 basic communication

• ● supported

Yes; I blocks

• ● User data per job, max.

76 byte

• ● User data per job (of which consistent), max.

76 byte

S7 communication

• ● supported

Yes

• ● as server

Yes

• ● as client

Yes; via integrated PROFINET interface and loadable FBs

• ● 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)

Open IE communication

• ● TCP/IP

Yes; via integrated PROFINET interface and loadable FBs

• ● UDP

Yes; via integrated PROFINET interface and loadable FBs

Web server

• ● supported

Yes

• ● Number of HTTP clients

5

• ● User-defined websites

Yes

PROFINET CBA (at set setpoint communication load)

• ● Setpoint for the CPU communication load

50 %

• ● Number of remote interconnection partners

32

• ● Number of functions, master/slave

30

• ● Total of all master/slave connections

1 000

• ● Data length of all incoming connections master/slave, max.

4 000 byte

• ● Data length of all outgoing connections master/slave, max.

4 000 byte

• ● Number of device-internal and PROFIBUS interconnections

500

• ● Data length of device-internal und PROFIBUS interconnections, max.

4 000 byte

• ● Data length per connection, max.

1 400 byte

Remote interconnections with acyclic transmission

• — Sampling frequency: Sampling time, min.

500 ms

• — Number of incoming interconnections

100

• — Number of outgoing interconnections

100

• — Data length of all incoming interconnections, max.

2 000 byte

• — Data length of all outgoing interconnections, max.

2 000 byte

• — Data length per connection, max.

1 400 byte

Remote interconnections with cyclic transmission

• — Transmission frequency: Transmission interval, min.

1 ms

• — Number of incoming interconnections

200

• — Number of outgoing interconnections

200

• — Data length of all incoming interconnections, max.

2 000 byte

• — Data length of all outgoing interconnections, max.

2 000 byte

• — Data length per connection, max.

450 byte

HMI variables via PROFINET (acyclic)

• — Number of stations that can log on for HMI variables (PN OPC/iMap)

3; 2x PN OPC/1x iMap

• — HMI variable updating

500 ms

• — Number of HMI variables

200

• — Data length of all HMI variables, max.

2 000 byte

PROFIBUS proxy functionality

• — supported

Yes

• — Number of linked PROFIBUS devices

16

• — Data length per connection, max.

240 byte; Slave-dependent

iPAR server

• ● supported

Yes

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 S7 communication

10; with loadable FBs

• — adjustable for S7 communication, max.

10

• ● total number of instances, max.

32

• ● usable for routing

4; max.

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

I/O

• ● 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

Interrupts/diagnostics/status information

Alarms

Yes

Diagnostic functions

Yes

Diagnostics indication LED

• ● for maintenance

Yes

• ● Bus fault BF (red)

Yes

• ● 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 software

• ● STEP 7

Yes; V5.5 or higher

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

120 mm; DP master module: 35 mm

Height

119.5 mm

Depth

75 mm

Weights

Weight, approx.

320 g; DP master module: Approx. 100 g