WEG ECW500, Руководство пользователя

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Installation and Connection
ECW500 | 29
Terminal Function Specifications
1 NC Not used -
2 GND Reference 0V for the serial port RS485/422 Communication serial port RS 485 / 422
Full duplex / half duplex
9600 bps to 115200 bps, 8 bits
Modbus RTU
3 TxB
Transmission and reception signals for the
communication in full duplex mode
4 TxA
5 RxB
Transmission and reception signals for the
communication in half duplex mode
6 RxA
7
Digital input Turn On Excitation
Isolated Digital Inputs
High Level:

8Vdc
Low Level:

3Vdc
Maximum input voltage: 30Vdc
Input current: 11mA @ 24Vdc
8
9
Digital input Turn Off Excitation
10
11 AO+
Analog output
Isolated analog output
Resolution: 14 bits
Signal: 0 to +10V (R
L

10k

)
4 to 20mA (R
L

500

)
12 AO-
13
MTVC Digital input MTVC Mode
Isolated Digital Inputs
High Level:

8Vdc
Low Level:

3Vdc
Maximum input voltage: 30Vdc
Input current: 11mA @ 24Vdc
14
15
MECC Digital input MECC Mode
16
17
I+
Analog input (current)
4 to 20 mA (R
IN
= 249

)
Resolution: 12 bits 18 I-
19 Protective earth (PE) Conectado diretamente à carcaça do produto
20 V-
Analog input (voltage)
Differential measurement from 0 to ± 10V (R
IN
= 200k

)
Resolution: 11 bits + signal 21 V+
22 E3/C Input for measurement of phase voltage C Rated voltage for measurement: 600 Vac
Maximum voltage for measurement: 660 Vac
23 E2/B Input for measurement of phase voltage B
24 E1/A Input for measurement of phase voltage A
25
RL03 Digital output 3 (RL03) Programable
6 relay outputs
Rated voltage of contacts: 250Vac
Maximum voltage for commutation: 400Vac
Rated current: 8 A
Maximum capacity for commutation:
35 Vdc 8 A
48 Vdc 1,2 A
125 Vdc 0,3 A
26
27
RL02 Digital output 2 (RL02) Programable
28
29
RL01 Digital output 1 (RL01) Programable
30
31
RL00 Digital output 0 (RL00) Programable
32
33
RL FL Digital output General Fault
34
35
RL ST Digital output Status ECW500
36
52
Digital input Disable Parallel Operation
Isolated Digital Inputs
High Level:

8V
Low Level:

3V
Maximum input voltage: 30V
Input current: 11mA @ 24Vdc
53
54
Digital input Disable Online Operation
55
56
HB Rx Signals for the backup channel function
(function not available on this version) -
57 HB Tx
58 +Vcc 12Vdc power supply 12 Vdc Power Supply, ±10%
Capacity: 200mA
59 GND Reference 0V to the 12 Vdc power supply
60 TxA Signals of the serial communication for the
backup channel function
(function not available on this version) -
61 TxB
62 RxA
63 RxB
64
RST Digital input Reset
Isolated Digital Inputs
High Level:

8V
Low Level:

3V
Maximum input voltage: 30V
Input current: 11mA @ 24Vcc
65
66
INC Digital input Increase
67
68
DEC Digital input Decrease
69
70
Digital input Enable Online Operation
71
72
Digital input Enable Parallel Operation
73
74
PRE Digital input Pre-position
75
Figure 5.6 Control connections for the ECW500