Spectrum Controls 1746sc-INO4vi User Manual
Page 28
18
SLC 500
™
Isolated Analog Output Modules
Configuring Each
Output Channel
After installing your module, you must configure each channel by setting
bit values in each configuration word. Output words 4 and 5 of the output
image file (addresses O:e.4 and O:e.5) configure channels 0–1 and 2–3,
respectively.
Channel 1 Configuration Byte
Channel 0 Configuration Byte
15
0
O:e.4
Address
Channel 3 Configuration Byte
Channel 2 Configuration Byte
O:e.5
A detailed explanation appears in the following table:
Table 9. Channel configuration word details, Output Words 4 and 5 (O:e.4 and O:e.5)
To select…
Use these bit settings...
For Channel 1 (and 3)
For Channel 0 (and 2)
Bit: 15 14 13 12
11 10
9
8
7
6
5
4
3
2
1
0
Output channel disable
0
0
Output channel enable
1
1
±
10 Vdc output range (-INO4vi only)
0
0
0
0
0
0
1–5 Vdc output range (-INO4vi only)
0
0
1
0
0
1
0–5 Vdc output range (-INO4vi only)
0
1
0
0
1
0
0–10 Vdc output range (-INO4vi only)
0
1
1
0
1
1
0–20 mA output range
1
0
0
1
0
0
4–20 mA output range
1
0
1
1
0
1
0–21 mA output range
1
1
0
1
1
0
Invalid
1
1
1
1
1
1
Engineering units
0
0
0
0
0
0
Scaled for PID
0
0
1
0
0
1
Proportional counts
0
1
0
0
1
0
1746-NO4 compatible format
0
1
1
0
1
1
User-defined scale
1
1
0
1
1
0
Invalid
1
0
0
1
0
0
Invalid
1
0
1
1
0
1
Invalid
1
1
1
1
1
1
Reset output on fault
0
0
Hold last value on fault
1
1