Output Analog Module (Cat. No. 1794 Oe4 Series B); Analog Output Module (1794 Oe4/B) Read; Bit/Word Descriptions For The 1794 Oe4/B Analog Output Module Read - Allen-Bradley 1794-IE8 Series B User Manual

4–6 Writing Configuration to and Reading Status from Your Module with a Remote I/O Adapter

4 Output Analog Module (Cat. No. 1794 OE4 Series B)

Read
Write
Word/Dec. Bit
Word/Octal Bit
Read Word 0
Where: W = Diagnostic bits for current output wire broken or load resistance high. (Not used on voltage outputs.)
PU = Power up bit
Publication 1794 6.5.2 - May 1996
I/O Image
Input Size
0 or 1 Word
Output Size
1 to 14 Words
Analog Output Module (1794-OE4/B) Read
15 14 13 12 11
17 16 15 14 13
PU
Bit/Word Descriptions for the 1794-OE4/B Analog Output
Module Read
Decimal Bit
Word
(Octal Bit)
Current outputs only - When set (1), the wire on the output is broken or the
Bits 00 03 load resistance is too high. Bit 00 corresponds to channel 0, bit 01
corresponds to channel 2, and so on.
Bits 04 14
Not used - set to 0
Read
(04-16)
Word 0 Word 0
Power Up bit - included in series B modules only. This bit is always 0 in
series A modules. This bit is set to 1 when all bits in the configuration
Bit 15 (17)
register (write word 5) are 0 (unconfigured state). The configuration
register can be cleared by either a reset, or by the user writing all zeroes to it.
Module Image
PU Not used
Analog Data Channel 0
Analog Data Channel 1
Analog Data Channel 2
Analog Data Channel 3
Not used
Not used Config. Select
Not used
Not used
Not used
Not used
Channel 0 Safe State
Channel 1 Safe State
Channel 2 Safe State
Channel 3 Safe State
10 09 08 07 06
12 11 10 07 06
Not used - set to 0
Definition
Diagnostics
M
Full Range
Not used
05 04 03 02 01 00
05 04 03 02 01 00
W3 W2 W1 W0