Table of Contents
Advertisement
8
GFK-1206D
June 1997
Field Wiring
The following illustration shows connections for 3-wire and 4-wire RTDs.
No loop power is required for this module. The excitation current for the RTDs is provided
by the module, which automatically matches the excitation current to each configured RTD
type.
I/O Terminal Block Terminal Assignments
The Terminal Block with box terminals (IC670CHS002) has 25 terminals for each module. Each
accommodates one AWG #14 (avg 2.1mm
section) wire, or two wires up to AWG #18 (avg. 0.86mm
jumper is used, wire capacity is reduced from AWG #14 (2.10mm
The I/O Terminal Block with barrier terminals (IC670CHS001) has 18 terminals per module.
Each terminal can accommodate one or two wires up to AWG #14 (avg 2.1mm
The I/O Terminal Block with Connectors (IC670CHS003) has one 20-pin male connector per
module.
I/O Terminal Block with
Box Terminals
(IC670CHS002 and 102)
Source 4
16
15
In (+) 4
14
13
not used
E8
In (–) 4
12
11
Return 4
10
not used
E6
Source 2
8
In (+) 2
6
not used
E4
In (–) 2
4
Return 2
2
not used
E2
E1
not used
B2
A2
not used
B1
A1
Ter minals E1, E2, E4, E6, and E8 are
electrically
connected
together, A1 and A2
ar e
electrically
connected
andB2 are
electrically
connected
3-Wire RTD
Source
In (+)
In (–)
Return
I/O Terminal Block with
(IC670CHS001 and 101)
Source 3
Source 4
In (+) 3
In (+) 4
In (–) 3
In (–) 4
Return 3
9
Return 4
Source 1
7
Source 2
5
In (+) 1
In (+) 2
In (–) 1
3
In (–) 2
Return 1
1
not used
Return 2
not used
not used
not used
together, B1
together.
4-Wire RTD
Source
In (+)
In (–)
Return
2
cross section) to AWG #22 (avg 0.36mm
Barrier Terminals
16
15
Source 3
14
In (+) 3
13
12
In (–) 3
11
10
Return 3
9
8
7
Source 1
6
5
In (+) 1
4
3
In (–) 1
2
1
Return 1
B
A
not used
Analog Input Module
RTD Input Module
Required for
Calibration if no
Corresponding
RTD is Installed
Terminals
7
Source
In (+)
5 6 13 14
In (–)
3 4 11 12
Return
1
2
cross section). When an external
2
) to AWG #16 (1.32mm
2
I/O Terminal Block with Wire
to Board Connectors
(IC670CHS003 and 103)
In (–) 3
Return 4
11
10
Return 3
In (–) 4
12
9
In (+) 3
13
8
Source 2
In (+) 4
Source 1
14
7
Source 3
In (+) 2
15
6
Source 4
16
5
In (+) 1
not used
In (–) 2
A2
4
not used
A1
3
In (–) 1
not used
Return 2
B2
2
Return 1
not used
B1
1
8
15
16
2
9
10
46724
2
cross
2
).
cross section).
46725
Advertisement
Table of Contents
