Chapter: H.3. Installation
H.3.5 Connection of control circuits
Figure H. 3.2. shows the control electronics board used in the converter.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
20
21
22
23
24
25 26 27 28 29 30 31 32 33 34 35 36 37 38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
D
I1
D
I2
D
I3
D
I4
D
I5
D
I6
D
I7
D
I8
D
I9
D
I1
0
C
O
M
+
2
4V
G
N
D
B
A
G
N
D
B
A
G
N
D
A
O
1
A
O
2
A
G
N
D
10
V
A
I0
-1
0V
A
G
N
D
A
I1
(U
)
A
I1
(I
)
A
I2
(U
)
A
I2
(I
)
A
I3
(U
)
A
I3
(I
)
A
I4
(U
)
A
I4
(I
)
A
G
N
D
S
LO
T
4
S
LO
T
3
S
LO
T
2
S
LO
T
1
FA
N
S
LO
T
0
5
4
55
5
6
57
SR-
SN-
SN+
SR+
P
T
10
0
+24V
ETHERNET
BAT
USB
JTAG
K7
60 59 58
63 62 61
K8
TR
JP6 JP5
TR
co
m
m
o
n
NC
NO
U9 U11
U13 U14
K1
K2
K3
K4
K5
K6
Control
Panel
X3
X1
X5
+
Relay outputs
Digital inputs
Analog inputs
Analog
outputs
2 = OFF
1 = ON
SW1 – Terminal switches of RS-485 interface
Set „
ON
” if the device is
the last one on the
communication bus.
2
1
JP
4
JP
3
JP
8
MFC1000/11 v2
RS-485 (1) RS-485 (2)
RS-485
1 2
Fig. H.3.2. MFC1000/11 board - the placement of the main elements: analog / digital inputs / outputs,
configuration switches and fiber optic connections
Note: The JP8 micro switch is used only for device diagnostics. During normal operation should be
set to position 1.
Table H.3.1 – Description of the connections used by a user
K1[16-18] - K6[1-3]
Digital relay outputs
DI1[19] - DI10[28]
To trigger the digital inputs, use the output voltage of 24V DC [30] or external
voltage
+24 V [30]
Internal power supply for digital inputs (max. 200mA)
GND [31]
The GND potential for digital inputs
B[32], A[33], B[35], A[36]
RS-485 communication
GND [34], [37]
The GND potential for RS-485
AO1[38], AO2[39]
Analog outputs
+10V [41], -10V [43]
+/- 10V DC voltage (max. 20mA)
AGND [40], [44], [53]
The GND potential for analogue inputs / outputs
AI1(U)[45] - AI4(I)[52]
Analog inputs
14
MFC1000AcR, TWERD Power Electronics
