7
Connections diagram
4
Connections diagram
Fig. 2:
Connections diagram and assignment of the TC 400
4
1
5
2
3
3
2
5
1
4
1
3
4
2
1
3
2
1
9
10
18
1
9
26
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
1
2
3
4
5
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
1
9
20
21
22
23
24
25
26
acc
essory A
acc
essory B
remot
e
DC
i
n
PV
.
ca
n
RS
4
85
TC 400
P
otent
ia
l
f
ree cont
a
cts
n.c.
24 VDC
Accessory B1
FE
Accessory B2
+ UB (+24 / +48 VDC ± 5
%
)
FE
GND
n.c.
24 VDC
Accessory A1
FE
Accessory A2
+ 24 VDC* out
DI Motor pump
DI Pump
i
ng st
a
t
i
on
DI St
a
ndby
DI1
DI2
DO1
DO2
DI3
AI+ 0-10 VDC
AI- GND
DI Error
a
cknowledgement
DI Remote pr
i
or
i
ty
Rel
a
y 1
Rel
a
y 1
Rel
a
y 1
Rel
a
y 2
Rel
a
y 2
Rel
a
y 2
Rel
a
y 3
Rel
a
y 3
AO1 / 0-10 V
DO Remote pr
i
or
i
ty
a
ct
i
ve
RS485 D-
RS485 D+
GND*
24 VDC* out
RS 485 D +
RS 485 D -
n.c.
GND*
All
i
nputs
a
nd outputs
i
n th
i
s
a
re
a
a
re
g
a
lv
a
n
i
c
a
lly seper
a
ted
f
rom +UB
