User manual

Publication 1797-6.5.1 - April 1999
How to Install Your FLEX Ex Analog Modules 3-13
Connections for the 1797-OE8 Module
1. Connect the individual output wiring to (+) terminals (0, 4, 8, 12) on the
0-15 row (A) and on the 16-33 row (B) (terminals 17, 21, 25, 29) as
indicated in the table below.
2. Connect the associated output to the corresponding (-) terminal (1, 5, 9,
13) on the 0-15 row (A), and on the 16-33 row (B) (terminals 18, 22, 26,
30) for each input as indicated in the following table.
3. Connect +V dc power to terminal 34 on the 34-51 row (C).
4. Connect -V to terminal 35 on the 34-51 row (C).
5. If continuing power to the next terminal base unit, connect a jumper
from terminal 50 (+V) on this base unit to terminal 34 on the next base
unit.
6. If continuing common to the next terminal base unit, connect a jumper
from terminal 51 (-V) on this base unit to terminal 35 on the next base
unit.
flexbus
Bus
uC
+V
-V
+
-
power
supply
4-20mA
actuator
4-20mA
valve
41441
41440
Row A
Row B
Row C
ch0
ch1 ch2 ch3
+V +V-V -V
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33
34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51
++++----
ch4 ch5 ch6
ch7
+- +- +- +-
No connections allowed to terminals 2, 3, 6, 7, 10, 11, 14, 15, 19, 20,
23, 24, 27, 28, 31, 32, 36, 37, 38, 39, 46, 47, 48, 49
1797-OE8 Module