Appendix A
A.1 I/O Connections and Wiring
Table A- 4
Input/Output Wiring (TB4) - 7ME39400AL04 Expanded I/O Module
Pin#
Signal
1
2
3
4
5
AUX Io3+
6
AUX Io3-
7
AUX Io4+
8
AUX Io4-
Note
Auxiliary 4-20mA loops are assigned and spanned under menu control of Vo and PGEN
outputs.
AUX Io3
AUX Io4
Figure A-4
Vc: 24 VDC Typical (+15 VDC to +30 VDC max) Loop Power
R
: 1000 ohms (max), Loop wire resistance plus user's input load resistance
L
I = 4-20mA
46
Definition
No Connection
No Connection
No Connection
No Connection
Isolated Loop Power Io3
Io3 4-20 mA Output
Isolated Loop Power Io4
Io4 4-20 mA Output
TB4
NC
1
NC
2
NC
3
NC
4
5
V
C
-
I
R
L
6
7
V
C
-
I
R
L
8
7ME39400AL04 TB4 Expanded I/O Wiring
Description
Connect +30 V max. Loop Supply here
Vo1+ Data Presented as 4-20mA
Connect +30 V max. Loop Supply here
Vo2+ Data Presented as 4-20mA
FUT1010 IP65 NEMA 4X & IP66 NEMA 7 Liquid Quick Start
Operating Instructions, 1/2013, A5E02639182-AC