YOKOGAWA FA-M3V e-RT3 Plus, Hardware Manual

Page: 58 / 274

A2-24
IM 34M06C11-01E
 Isolation Methods
The internal circuit is isolated from the field using one of the following methods:
Photocoupler isolation : Withstands 1500V AC for 1 minute.
Mechanical isolation : Withstands 1500V AC for 1 minute.
Transformer isolation : Withstands 500V AC for 1 minute.
 Terminal Arrangement
10-point
terminal block
18-point
terminal block
Connector
based
Connector
based
1
3
5
7
9
11
13
15
17
2
4
6
8
10
12
14
16
18
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
B A
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
B A
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
B A
1 2
7.1mm
8.2mm
M3.5
6.4mm
8.2mm
7.1mm
M3.5
Note:Viewed from the front side of the module.
FA020503.VSD
32-point type
64-point type
 External Connection
There are two ways of connecting an input/output module externally: through a terminal
block (10 or 18 points) and through a connector. See Section A3.6, “Wiring I/O
Modules,” for more details on wiring.