PSM-ME-RS232/RS485-P, RS232 to RS485 Converter with electrical isolation, bộ chuyển đổi tín hiệu hai chiều

Serial interface

Interface 1

V.24 (RS-232) interface in acc. with ITU-T V.28, EIA/TIA-232, DIN 66259-1

Connection method

D-SUB 9 plug

Transmission length

15 m (shielded twisted pair)

Conductor cross section flexible min.

0.2 mm²

Conductor cross section flexible max.

2.5 mm²

Conductor cross section AWG min.

24

Conductor cross section AWG max.

12

Pin assignment

DTE/DCE switchover via switch

Protocols supported

transparent protocol

Serial transmission speed

1.2; 2.4; 4.8; 7.2; 9.6; 19.2; 31.25; 38.4; 57.6; 75; 93.75; 115.2 kbps

Interface 2

RS-422 interface in acc. with ITU-T V.11, EIA/TIA-422, DIN 66348-1

Connection method

Pluggable screw connection

Transmission length

1200 m (shielded twisted pair)

Termination resistor

390 Ω
150 Ω
390 Ω (Can be connected)

Conductor cross section flexible min.

0.2 mm²

Conductor cross section flexible max.

2.5 mm²

Conductor cross section AWG min.

24

Conductor cross section AWG max.

13

Protocols supported

transparent protocol

Serial transmission speed

1.2; 2.4; 4.8; 9.6; 19.2; 38.4; 57.6; 75; 93.75; 115.2 kbps

Interface 3

RS-485 interface in acc. with EIA/TIA-485, DIN 66259-1

Connection method

Pluggable screw connection

Data direction switching

Automatic control or via RTS/CTS

Transmission length

1200 m (shielded twisted pair)

Termination resistor

390 Ω
150 Ω
390 Ω (Can be connected)

Conductor cross section flexible max.

2.5 mm²

Conductor cross section flexible min.

0.2 mm²

Conductor cross section AWG max.

14

Conductor cross section AWG min.

24

Protocols supported

transparent protocol

Serial transmission speed

1.2; 2.4; 4.8; 9.6; 19.2; 38.4; 57.6; 75; 93.75; 115.2 kbps

Ambient Conditions

Ambient temperature (operation)

-40 °C ... 70 °C

Ambient temperature (storage/transport)

-40 °C ... 85 °C

Permissible humidity (operation)

10 % ... 95 % (non-condensing)

Altitude

5000 m (For restrictions see manufacturer's declaration)

Degree of protection

IP20

Noise immunity

EN 50 082-2

General

Electrical isolation

VCC // V.24 (RS-232) // RS-485

Test voltage data interface/power supply

1.5 kV AC

Electromagnetic compatibility

Conformance with EMC Directive 2014/30/EU

Net weight

139.88 g

Housing material

PA 6.6-FR

Color

green

MTTF

1654 Years (SN 29500 standard, temperature 25°C, operating cycle 21 % (5 days a week, 8 hours a day))

746 Years (SN 29500 standard, temperature 40 °C, operating cycle 34.25 % (5 days a week, 12 hours a day))

310 Years (SN 29500 standard, temperature 40°C, operating cycle 100 % (7 days a week, 24 hours a day))

Conformance

CE-compliant

ATEX

II 3 G Ex nA IIC T4 Gc (Please follow the special installation instructions in the documentation!)

UL, USA/Canada

508 recognized

Noise emission

EN 50 081-1

MTBF

10 Years (Telcordia standard, temperature 40 °C, operating cycle 100 % (7 days a week, 24 hours a day))

Transmission channels

2 (1/1), RxD, TxD, full duplex

Bit delay

≤ 2.5 µs

Bit distortion

≤ 5 %

Test voltage data interfaces

1.5 kV AC

Test voltage data interface/power supply

1.5 kV AC

Degree of pollution

2

IECEx

Ex nA IIC T4 Gc

Power supply

Nominal supply voltage

24 V AC/DC

Supply voltage range

18 V AC/DC ... 30 V AC/DC (via pluggable COMBICON screw terminal block)

Typical current consumption

85 mA (24 V DC)

Max. current consumption

100 mA

Conductor cross section flexible max.

2.50 mm²

Conductor cross section flexible min.

0.20 mm²

Conductor cross section solid max.

2.50 mm²

Conductor cross section solid min.

0.20 mm²

Max. AWG conductor cross section, flexible

12

Min. AWG conductor cross section, flexible

24

Conductor cross section AWG max.

12

Conductor cross section AWG min.

24

Dimensions

Width

22.5 mm

Height

99 mm

Depth

​Environmental Product Compliance

China RoHS

Environmentally Friendly Use Period = 50

Reach and RoHS Compliant

Reach and RoHS Compliant

Standards and Regulations

The RS-485 standard allows more than two devices to communicate with one another. By converting the RS-232 point-to-point interface into the bus-capable RS-485 standard, you can network up to 32 devices via a 2 or 4-wire cable.

Fig 1. Interface adaptation or programming connection

Fig2. Master interface connection

Fig3. Networking of RS-232 devices