Installation
akYtec GmbH · Vahrenwalder Str. 269 A · 30179 Hannover · Germany Tel.: +49 (0) 511 16 59 672-0 · www.akytec.de
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NOTICE
The integrated voltage source 24 V DC can be used for inputs or outputs, but not
for both groups.
Connect the RS485 lines to terminals D+ and D-.
For the connection to RS485 interface twisted pair cable should be used. Maxi-
mal cable length is 1200 m.
Fig. 4.1 Layout of terminal blocks
Table 4.1 Terminal assignment
Terminal
Signal
Terminal
Signal
Terminal
Signal
1
Output 1-3 (
–)
19
Output 8-2 (+)
37
Input 4-3
2
Output 1-2 (+)
20
Output 8-1
38
Input 3-3
3
Output 2-3 (
–)
21
not connected
39
Input 4-2
4
Output 2-2 (+)
22
not connected
40
Input 3-2
5
Output 3-3 (
–)
23
Power supply (N)
41
Input 4-1
6
Output 3-2 (+)
24
Power supply (L)
42
Input 3-1
7
Output 4-3 (
–)
25
Input 8-3
43
Input 2-3
8
Output 4-2 (+)
26
Input 7-3
44
Input 1-3
9
Output 5-3 (
–)
27
Input 8-2
45
Input 2-2
10
Output 5-2 (+)
28
Input 7-2
46
Input 1-2
11
Output 5-1
29
Input 8-1
47
Input 2-1
12
Output 6-3 (
–)
30
Input 7-1
48
Input 1-1
13
Output 6-2 (+)
31
Input 6-3
49
RS485 D+
14
Output 6-1
32
Input 5-3
50
RS485 D-
15
Output 7-3 (
–)
33
Input 6-2
51
–24 V voltage source
16
Output 7-2 (+)
34
Input 5-2
52
+24 V voltage source
17
Output 7-1
35
Input 6-1
18
Output 8-3 (
–)
36
Input 5-1
4.4
Inputs
Supported signals (see Table 2.2 and 2.3):
Standard signal 4-20 mA / 0-1 V
Thermocouple (TC)
Resistance thermometer (RTD)