1 rj-45 connector and terminal blocks, E-m-hc2-accessories_24 – ROTRONIC HC2 User Manual
Page 15
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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
© 2009-2010; Rotronic AG E-M-HC2-accessories_23
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)