logic controller, Modicon M251, 2x Ethernet

Range of Product

Modicon M251

Product or Component Type

Logic controller

[Us] rated supply voltage

24 V DC

Maximum number of I/O expansion module

7 (local I/O-Architecture)
14 (remote I/O-Architecture)

Supply voltage limits

20.4…28.8 V

Inrush current

50 A

Power consumption in W

32.6…40.4 W with max number of I/O expansion module)

Memory capacity

64 MB system memory RAM

Data backed up

128 MB built-in flash memory backup of user programs

Data storage equipment

<= 16 GB SD card optional)

Battery type

BR2032 lithium non-rechargeable 4 year(s)

Backup time

2 years 77 °F (25 °C)

Execution time for 1 KInstruction

0.3 ms event and periodic task
0.7 ms other instruction

Application structure

4 cyclic master tasks
8 event tasks
3 cyclic master tasks + 1 freewheeling task
8 external event tasks

Realtime clock

With

Clock drift

<= 60 s/month 77 °F (25 °C)

Integrated connection type

USB port mini B USB 2.0
Non isolated serial link serial RJ45 RS232/RS485
Dual-port Ethernet 1 RJ45
Ethernet port Ethernet 2 RJ45

Supply

Serial)serial link supply 5 V, <200 mA

Transmission rate

1.2...115.2 kbit/s (115.2 kbit/s by default) 49.2 ft (15 m) RS485
1.2...115.2 kbit/s (115.2 kbit/s by default) 9.8 ft (3 m) RS232
480 Mbit/s 9.8 ft (3 m) USB

Communication port protocol

USB port USB - SoMachine-Network
Non isolated serial link Modbus master/slave - RTU/ASCII or SoMachine-Network

Port Ethernet

Ethernet 1 10BASE-T/100BASE-TX - 2 copper cable
Ethernet 2 10BASE-T/100BASE-TX - 1 copper cable

Web services

Web server

Communication service

Downloading
IEC VAR ACCESS
Modbus TCP client
Modbus TCP server
Modbus TCP slave device
Monitoring
NGVL
Programming
Updating firmware
SMS notifications
DHCP client Eth1)
DHCP server Eth2)
Ethernet/IP originator Eth2)
Ethernet/IP target Eth1, Eth2)
Ethernet/IP scanner Eth2)
Modbus TCP I/O Scanner and Messaging Eth2)
FDR
FTP client/server
SNMP client/server
SQL client
Send and receive email from the controller based on TCP/UDP library
Web server (WebVisu & XWeb system)
OPC UA server
DNS client

Maximum number of connections

8 Modbus server
8 Modbus client
16 Ethernet/IP target
4 FTP server
10 web server
8 SoMachine protocol

Number of server device(s)

16 EtherNet/IP
64 Modbus TCP

Cycle time

10 ms 16 EtherNet/IP
64 ms 64 Modbus TCP

Local signalling

for PWR 1 LED (green)
for RUN 1 LED (green)
for module error (ERR) 1 LED (red)
for I/O error (I/O) 1 LED (red)
for SD card access (SD) 1 LED (green)
for BAT 1 LED (red)
for SL 1 LED (green)
for bus fault on TM4 (TM4) 1 LED (red)
for Ethernet activity (ETH1) 1 LED (green)
for Ethernet activity (ETH2) 1 LED (green)

Electrical connection

removable screw terminal block power supply pitch 5.08 mm)

Insulation

Non-insulated between supply and internal logic
Between supply and ground 500 V AC

marking

CE

Surge withstand

1 kV shielded cable common mode IEC 61000-4-5
1 kV power lines common mode IEC 61000-4-5
0.5 kV power lines differential mode IEC 61000-4-5

Mounting support

Top hat type TH35-15 rail IEC 60715
Top hat type TH35-7.5 rail IEC 60715
plate or panel with fixing kit

Height

3.5 in (90 mm)

Depth

3.7 in (95 mm)

Width

2.1 in (54 mm)

Net Weight

0.49 lb(US) (0.22 kg)

Standards

ANSI/ISA 12-12-01
CSA C22.2 No 142
CSA C22.2 No 213
IEC 61131-2:2007
Marine specification (LR, ABS, DNV, GL)
UL 508

Product Certifications

cULus
CE
UKCA
DNV-GL
ABS
LR

Resistance to electrostatic discharge

8 kV in air IEC 61000-4-2
4 kV on contact IEC 61000-4-2

Resistance to electromagnetic fields

9.1 V/m (10 V/m) 80 MHz...1 GHz IEC 61000-4-3
2.7 V/m (3 V/m) 1.4 GHz...2 GHz IEC 61000-4-3
0.9 V/m (1 V/m) 2 GHz...3 GHz IEC 61000-4-3

Resistance to fast transients

2 kV IEC 61000-4-4 power lines)
1 kV IEC 61000-4-4 Ethernet line)
1 kV IEC 61000-4-4 serial link)

Resistance to conducted disturbances

10 V 0.15...80 MHz IEC 61000-4-6
3 V 0.1...80 MHz Marine specification (LR, ABS, DNV, GL)
10 V spot frequency (2, 3, 4, 6.2, 8.2, 12.6, 16.5, 18.8, 22, 25 MHz) Marine specification (LR, ABS, DNV, GL)

Electromagnetic emission

Conducted emissions 120...69 dBµV/m QP power lines)10…150 kHz IEC 55011
Conducted emissions 63 dBμV/m QP power lines)1.5…30 MHz IEC 55011
Radiated emissions 40 dBμV/m QP class A 10 m)30…230 MHz IEC 55011
Conducted emissions 79...63 dBμV/m QP power lines)150…1500 kHz IEC 55011
Radiated emissions 47 dBμV/m QP class A 10 m)230…1000 MHz IEC 55011

Immunity to microbreaks

10 ms

Ambient air temperature for operation

14…95 °F (-10…35 °C) vertical installation)
14…131 °F (-10…55 °C) horizontal installation)

Ambient Air Temperature for Storage

-13…158 °F (-25…70 °C)

Relative humidity

10…95 %, without condensation in operation)
10…95 %, without condensation in storage)

IP degree of protection

IP20 with protective cover in place

Pollution degree

2

Operating altitude

0...6561.68 ft (0...2000 m)

Storage altitude

0…9842.5 ft (0…3000 m)

Vibration resistance

3.5 mm 5…8.4 Hz symmetrical rail
3 gn 8.4…150 Hz symmetrical rail
3.5 mm 5…8.4 Hz panel mounting
3 gn 8.4…150 Hz panel mounting

Shock resistance

15 gn 11 ms

Category

US10MSX22533

Discount Schedule

0MSX

GTIN

3606480648878

Returnability

Yes

Country of origin

ID

Unit Type of Package 1

PCE

Number of Units in Package 1

1

Package 1 Height

4.138 in (10.511 cm)

Package 1 Width

4.616 in (11.725 cm)

Package 1 Length

6.718 in (17.063 cm)

Package 1 Weight

13.09 oz (371.0 g)

Unit Type of Package 2

S03

Number of Units in Package 2

10

Package 2 Height

11.8 in (30 cm)

Package 2 Width

11.8 in (30 cm)

Package 2 Length

15.7 in (40 cm)

Package 2 Weight

10.254 lb(US) (4.651 kg)

Unit Type of Package 3

P06

Number of Units in Package 3

80

Package 3 Height

29.5 in (75.0 cm)

Package 3 Width

15.7 in (40.0 cm)

Package 3 Length

31.5 in (80.0 cm)

Package 3 Weight

105.8 lb(US) (48 kg)