Tempco TEC-410, Инструкция по эксплуатации

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16
TX1
TX2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
TX1
TX2
TX1
TX2
TX1
TX2
Twi s ted-Pair Wire
R S -485 to R S -232
network adaptor
TE99001 or
TE99002
R S -232
PC
Terminator
220 ohm
s /0.5W
Max. 247 unit s can be linked
Figure 2.12
R S -485 Wiring
2–12 RS-485
TX1
TX2
9-pin
R
S -232 port
If you u s e a conventional 9-pin R S -232 cable in s tead of TEC99014,
the cable mu s t be modified according to the following circuit diagram.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
COM
PC
TEC99014
Figure 2-13
R S -232 Wiring
1
2
3
4
5
6
7
8
9
L41
TX1
TX1 RD
13
14
10
TX2
TX2 TD
COM
COM GND
1 DCD
2 RD
3 TD
4 DTR
5 GND
6 D
S R
7 RT S
8 CT S
9 RI
P C
Female DB-9
To DTE (PC) R S -232 Port
Figure 2.13 R S -232 Wiring
Figure 2.14
Configuration of R S -232 Wiring
2–13 RS-232
+
+
+ +
Load Load
Load
The total effective re s i s tance of s erial
load s can't exceed 500 ohm s .
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Retran s mit Current
Indicator s
PLC' s
Recorder s
Data logger s
Inverter s etc.
0 - 20mA,
4 - 20mA
–
– –
–
+
+ + +
Load Load
Load
1 - 5 V, 0 - 5V
0 - 10V
The total effective re s i s tance of parallel
load s s hould be greater than 10K Ohm s .
Indicator s
PLC' s
Recorder s
Data logger s
Inverter s etc.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Retran s mit Voltage
–
– –
–
Figure 2.15 Retransmission Wiring
2–14 Retransmission