Rotronic HC2 Manual do Utilizador descarregar pdf (Página 15)

E-M-HC2-accessories_24

Rotronic AG

Bassersdorf, Switzerland

Document code Unit

Accessories and Parts

for probes, indicators and transmitters

Instruction Manual

Document Type

Page

15 of 23

Document title

Specifications

Supply voltage to AC3011 converter 12…24 VDC (can be used to power the RS-485

slave devices when mA rating is sufficient)

Current consumption (AC3011 only)

85 mA typical

Temperature operating range

-40…85°C

RS-485 specifications

Baud rate : 19200

Parity : none

Data bits : 8

Stop bits : 1

7.2.1 RJ-45 Connector and terminal blocks

The RJ-45 connector is accessible without having to open the AC3011 enclosure.

Terminal Block K1 (Power)

Function

K1-1

GND: Supply voltage (-) to AC3011

K1-2

V + :Supply voltage (+) to AC3011 – 12 to 24 VDC

K1-3

Earth Ground : Safety ground

Terminal Block K3 (RS-485)

Function

K3-4

D - : TX- / RX- (RS-485 bidirectional)

K3-3

D +: TX+ / RX+ (RS-485 bidirectional)

K3-2

GND: Supply voltage (-) to RS-485 data line (optional)

K3-1

V + : Supply voltage (+) to RS-485 data line – 12 to 24 VDC (optional)

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Rotronic HC2 Manual do Utilizador Página 15