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1.4.2 Terminal block
(1) List of terminal blocks
Ground Terminal (Left side)
Temperature input 1
Temperature input 2
+
Ch1 output
–
+
Ch2 output
–
+
Ch3 output
–
+
Ch4 output
–
+
Ch5 output
–
10
+
Ch6 output
–
12
M3.5 screw
Analyzing block
error contact output
(DO)
Calibration error
contact output
(DO)
Auto calibration status
contact output
(DO)
10
Maintenance status
contact output
12
(DO)
M3.5 screw
External terminal block diagram (Upper side of main unit)
TB1
1
2
3
4
5
6
7
8
9
10
11
12
INZ-TN2ZSJ-E
TB1
1
Power supply
2
Grounding for
3
internal devices
4
5
Power supply
to gas extractor
6
7
Power supply
to heating tube
8
–
9
(option)
10
+
–
11
(option)
12
+
M4 screw
TN1
1
+
13
2
Ch7 output
14
–
3
+
15
4
Ch8 output
16
–
5
+
17
6
Ch9 output
18
–
7
+
19
8
Ch10 output
20
–
9
+
21
Ch11 output
22
–
11
+
23
Ch12 output
24
–
TN3
1
13
Ch1 range identification
2
signal (DO)
14
3
15
Ch2 range identification
4
signal (DO)
16
5
17
Ch3 range identification
6
signal (DO)
18
7
19
Ch4 range identification
8
signal (DO)
20
9
21
Ch5 range identification
signal (DO)
22
11
23
CO peak count alarm
contact output
24
(DO)
TN1
TN2
1
1
1
13
13
2
2
2
14
14
3
3
3
15
15
4
4
4
16
16
5
5
5
17
17
6
6
6
18
18
7
7
7
19
19
8
8
8
20
20
9
9
9
21
21
10
10
10
22
22
11
11
11
23
23
12
12
12
24
24
+
O
sensor input
2
(already wired)
–
+
Remote hold
(DI)
–
+
Average value reset
(DI)
–
+
Auto calibration
remote start
–
(DI)
+
Aspirator ON/OFF
(DI)
–
Alarm1 (DO)
Alarm2 (DO)
Alarm3 (DO)
Alarm4 (DO)
TN3
TN4
•
1
13
13
2
nel No. and output item, refer to
14
14
3
15
15
4
16
16
5
17
17
6
18
18
measured value".
7
19
19
8
20
20
9
21
21
10
22
22
11
23
23
12
24
24
11
TN2
1
13
Ch1 remote range
2
Changeover input (DI)
14
3
15
Ch2 remote range
4
Changeover input (DI)
16
5
17
Ch3 remote range
6
Changeover input (DI)
18
7
19
Ch4 remote range
8
Changeover input (DI)
20
9
21
Ch5 remote range
10
Changeover input (DI)
22
11
23
12
24
M3.5 screw
TN4
1
13
2
Alarm5
For atomospheric air
14
(DO)
solenoid valve (DO)
3
15
4
16
5
17
Analyzing block
6
power off (DO)
18
7
19
8
20
9
21
10
22
11
23
12
24
M3.5 screw
Alarm6
(DO)
-
-
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