REXROTH RD 500 Series, Applications Manual

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RD 500 RD51 Electrical Installation of Converter
4-43
DOK-RD500*RD51*******-IB04-EN-P
Description of Control Terminals
Terminal Designation Comment
X11 Service interface
3 R x D
2 T x D
5 Ground
RS232 service interface;
To plug in the operator panel
To connect a PC with the RDwin user interface
X12 RS485 interface
1 R x D+ / T x D +
2 R x D- / T x D -
RS485 interface; communication with the USS protocol
X13 SS6 interface
1 CAN high
2 CAN low
Point-to-point connection between RD51 and RD51 with internal bus
termination. The lines from X13.1 of the first RD51 to X13.1 of the
second RD51 and X13.2 of the first and X13.2 of the second RD51 must
be twisted. The maximum cable length is 5 m.
3 Ground
X14 Standard terminal strip
1 P24 V output Load capability max. 50 mA
2 Dig. input 1
Dig. output 1
Optional input / output; function
can be selected using P0471
3 Dig. input 2
Dig. output 2
Optional input / output; function
can be selected using P0473
4 Dig. input 3
Dig. output 3
Optional input / output; function
can be selected using P0475
5 Dig. input 4 Function can be selected using
P0878
6 Dig. input 5
Digital inputs without electrical isolation
(non-floating):
Input current at 24 V: 8.6 mA
H signal: +13 V - +33 V
L signal: -3 V - +5 V or
open-circuit terminal
Digital outputs
H signal: +21 V, max. 20 mA
L signal: 0 V
ON / OFF
Function can be selected using
P0878
7 Digital ground Reference ground, P24 V (X14.1)
8 Reference ±10 V
Analog output
Optional function, can be selected using P0890
(5 mA load capability, short-circuit-proof):
Reference voltage +10 V
Reference voltage -10 V
fact Output frequency
Iact Output current
Isp torque-producing
Uact Output voltage
Pact Output power
Pwirk Active power
9 Analog input+
10 Analog input -
Differential input can be optionally set:
±10 V; A / D converter ±9 bit; resolution 20 mV, R
e
= 40 k
Ω
0 ... 20 mA; A / D converter 10 bit; resolution 0.02 mA, R
e
= 150
Ω
4 ... 20 mA; A / D converter 10 bit; resolution 0.02 mA, R
e
= 150
Ω
11 Analog ground Reference ground of the reference voltage or the analog output (X14.8)