西门子S7-200SMART CPUST30DC/DC/DC-西门子授权代理商

General inbation

Product type designation

CM 1241 RS 232

CM 1241 RS 422 / 485

Supply voltage

Rated value (DC)

24 V

24 V

permissible range, lower limit (DC)

20.4 V

20.4 V

permissible range, upper limit (DC)

28.8 V

28.8 V

Input current

Current consumption, max.

200 mA; From backplane bus 5 V DC

220 mA; From backplane bus 5 V DC

Power loss

Power loss, typ.

1.1 W

1.1 W

Interfaces

Interfaces/bus type

RS 232C (V.24)

RS 422 / 485 (X.27)

Number of interfaces

1

1

Point-to-point connection

● Cable length, max.

10 m

1 000 m

Integrated protocol driver

— Freeport

Yes

Yes

— ASCII

Yes; Available as library function

Yes; Available as library function

— Modbus RTU master

Yes

Yes

— MODBUS RTU slave

Yes

Yes

— USS

Yes; Available as library function

Protocols

Integrated protocols

Freeport

— Bits per character

7 or 8

7 or 8

— Number of stop bits

1 (Standard), 2

1 (Standard), 2

— Parity

No parity (standard); even, uneven, mark (parity bit always 1); space (parity bit always 0)

No parity (standard); even, uneven, mark (parity bit always 1); space (parity bit always 0)

3964 (R)

— Bits per character

7 or 8

7 or 8

— Number of stop bits

1 (Standard), 2

1 (Standard), 2

— Parity

No parity (standard); even, uneven, mark (parity bit always 1); space (parity bit always 0)

No parity (standard); even, uneven, mark (parity bit always 1); space (parity bit always 0)

Modbus RTU master

— Address area

1 through 49 999 (Standard Modbus addressing)

1 through 49 999 (Standard Modbus addressing)

— Number of slaves, max.

247; slave numbers 1 through 247, per MODBUS network segment maximum 32 devices, additional repeaters needed to expand the network to maximum configuration

247; slave numbers 1 through 247, per MODBUS network segment maximum 32 devices, additional repeaters needed to expand the network to maximum configuration

MODBUS RTU slave

— Address area

1 through 49 999 (Standard Modbus addressing)

1 through 49 999 (Standard Modbus addressing)

Interrupts/diagnostics/status inbation

Diagnostics function

Yes

Yes

Diagnostics indication LED

● for status of the outputs

Yes

Yes

Isolation

Isolation tested with

750 V DC (type test) and according to EN 50155 (routine test)

750 V DC (type test) and according to EN 50155 (routine test)

Degree and class of protection

IP degree of protection

IP20

IP20

Standards, approvals, certificates

Railway application

● EN 50121-3-2

Yes; EMC for rail vehicles

Yes; EMC for rail vehicles

● EN 50121-4

Yes; EMC for signal and telecommunications systems

Yes; EMC for signal and telecommunications systems

● EN 50124-1

Yes; Railway applications - overvoltage category OV2; pollution degree PD2; rated surge voltage UNi = 0.5 kV; UNm = 24 V DC

Yes; Railway applications - overvoltage category OV2; pollution degree PD2; rated surge voltage UNi = 0.5 kV; UNm = 24 V DC

● EN 50125-1

Yes; Rail vehicles - see ambient conditions

Yes; Rail vehicles - see ambient conditions

● EN 50125-2

Yes; Stationary electrical equipment - see ambient conditions

Yes; Stationary electrical equipment - see ambient conditions

● EN 50125-3

Yes; Signal and telecommunications systems - see ambient conditions; vibrations and shocks: Application point outside of tracks (1 m to 3 m away from track)

Yes; Signal and telecommunications systems - see ambient conditions; vibrations and shocks: Application point outside of tracks (1 m to 3 m away from track)

● EN 50155

Yes; Rail vehicles - temperature class OT1, ST1/ST2, horizontal mounting b

Yes; Rail vehicles - temperature class OT1, ST1/ST2, horizontal mounting b

● EN 61373

Yes; Rail vehicles - vibrations and shocks: Category 1 Class A/B

Yes; Rail vehicles - vibrations and shocks: Category 1 Class A/B

● Fire protection acc. to EN 45545-2

Yes; For proof of conbity, see Service & Support

Yes; For proof of conbity, see Service & Support

Ambient conditions

Free fall

● Fall height, max.

0.3 m; five times, in product package

0.3 m; five times, in product package

Ambient temperature during operation

● min.

-25 °C; = Tmin (incl. condensation/frost)

-25 °C; = Tmin (incl. condensation/frost)

● max.

60 °C; = Tmax; +70 °C for 10 min (OT1, ST1/ST2 acc. to EN 50155)

60 °C; = Tmax; +70 °C for 10 min (OT1, ST1/ST2 acc. to EN 50155)

● vertical installation, min.

-25 °C; = Tmin

-25 °C; = Tmin

● vertical installation, max.

50 °C; = Tmax

50 °C; = Tmax

Ambient temperature during storage/transportation

● min.

-40 °C

-40 °C

● max.

70 °C

70 °C

Altitude during operation relating to sea level

● Installation altitude above sea level, max.

2 000 m

2 000 m

● Ambient air temperature-barometric pressure-altitude

Tmin ... Tmax at 1 140 hPa ... 795 hPa (-1 000 m ... +2 000 m)

Tmin ... Tmax at 1 140 hPa ... 795 hPa (-1 000 m ... +2 000 m)

Relative humidity

● With condensation, tested in accordance with IEC 60068-2-38, max.

100 %; RH incl. condensation / frost (no commissioning in bedewed state), horizontal installation

100 %; RH incl. condensation / frost (no commissioning in bedewed state), horizontal installation

Resistance

Coolants and lubricants

— Resistant to commercially available coolants and lubricants

Yes; Incl. diesel and oil droplets in the air

Yes; Incl. diesel and oil droplets in the air

Use in stationary industrial systems

— to biologically active substances according to EN 60721-3-3

Yes; Class 3B2 mold, fungus and dry rot spores (with the exception of fauna); Class 3B3 on request

Yes; Class 3B2 mold, fungus and dry rot spores (with the exception of fauna); Class 3B3 on request

— to chemically active substances according to EN 60721-3-3

Yes; Class 3C4 (RH < 75 %) incl. salt spray acc. to EN 60068-2-52 (severity degree 3); *

Yes; Class 3C4 (RH < 75 %) incl. salt spray acc. to EN 60068-2-52 (severity degree 3); *

— to mechanically active substances according to EN 60721-3-3

Yes; Class 3S4 incl. sand, dust, *

Yes; Class 3S4 incl. sand, dust, *

Use on land craft, rail vehicles and special-purpose vehicles

— to biologically active substances according to EN 60721-3-5

Yes; Class 5B2 mold, fungus and dry rot spores (with the exception of fauna); Class 5B3 on request

Yes; Class 5B2 mold, fungus and dry rot spores (with the exception of fauna); Class 5B3 on request

— to chemically active substances according to EN 60721-3-5

Yes; Class 5C3 (RH < 75 %) incl. salt spray acc. to EN 60068-2-52 (severity degree 3); *

Yes; Class 5C3 (RH < 75 %) incl. salt spray acc. to EN 60068-2-52 (severity degree 3); *

— to mechanically active substances according to EN 60721-3-5

Yes; Class 5S3 incl. sand, dust; *

Yes; Class 5S3 incl. sand, dust; *

Usage in industrial process technology

— Against chemically active substances acc. to EN 60654-4

Yes; Class 3 (excluding trichlorethylene)

Yes; Class 3 (excluding trichlorethylene)

— Environmental conditions for process, measuring and control systems acc. to ANSI/ISA-71.04

Yes; Level GX group A/B (excluding trichlorethylene; harmful gas concentrations up to the limits of EN 60721-3-3 class 3C4 permissible); level LC3 (salt spray) and level LB3 (oil)

Yes; Level GX group A/B (excluding trichlorethylene; harmful gas concentrations up to the limits of EN 60721-3-3 class 3C4 permissible); level LC3 (salt spray) and level LB3 (oil)

Remark

— Note regarding classification of environmental conditions acc. to EN 60721, EN 60654-4 and ANSI/ISA-71.04

* The supplied plug covers must remain in place over the unused interfaces during operation!

* The supplied plug covers must remain in place over the unused interfaces during operation!

Conbal coating

● Coatings for printed circuit board assemblies acc. to EN 61086

Yes; Class 2 for high reliability

Yes; Class 2 for high reliability

● Protection against fouling acc. to EN 60664-3

Yes; Type 1 protection

Yes; Type 1 protection

● Electronic equipment on rolling stock acc. to EN 50155

Yes; Class PC2 protective coating acc. to EN 50155:2017

Yes; Class PC2 protective coating acc. to EN 50155:2017

● Military testing according to MIL-I-46058C, Amendment 7

Yes; Discoloration of coating possible during service life

Yes; Discoloration of coating possible during service life

● Qualification and Perbance of Electrical Insulating Compound for Printed Board Assemblies according to IPC-CC-830A

Yes; Conbal coating, Class A

Yes; Conbal coating, Class A

Dimensions

Width

30 mm

30 mm

Height

100 mm

100 mm

Depth

75 mm

75 mm

Weights

Weight, approx.

150 g

155 g

Other

Note:

for use in railway applications, also observe the product inbation "SIPLUS extreme RAIL" A5E37661960A, Online Support article 109736776

for use in railway applications, also observe the product inbation "SIPLUS extreme RAIL" A5E37661960A, Online Support article 109736776