Article number	6ES7151-7FA21-0AB0
	ET200S, Interf. mod. IM 151 F-CPU, 192KB
General information
HW functional status	1
Firmware version	V3.3
Product function
● Isochronous mode	No
Engineering with
● Programming package	as of STEP 7 V5.5 + SP1 or as of V5.2 + SP1 + HSP 219 + Distributed Safety or as of STEP 7 TIA Portal V11
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, typ.	1.8 A
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	192 kbyte
● expandable	No
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
● Number, max.	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
Retentive data area (incl. timers, counters, flags), max.	64 kbyte
Flag
● Size, 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	the clock continues at the time of day it had when power was switched off
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	1x PROFIBUS DP
1. Interface
Interface type	Integrated RS 485 interface
Isolated	Yes
Interface types
● RS 485	Yes
● Output current of the interface, 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
Isolated	Yes
Interface types
● RS 485	Yes
● Output current of the interface, 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
Protocols
Open IE communication
● TCP/IP	No
communication functions / header
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
Isolation
Isolation tested with	500 V DC
Degree and class of protection
IP degree of protection	IP20
configuration / header
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
configuration / programming / header
● 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
programming / cycle time monitoring / header
● lower limit	1 ms
● upper limit	6 000 ms
● adjustable	Yes
● cycle monitoring time / 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