
Publication 1794-UM064B-EN-P - May 2014
Communicate With Your Module 23
1794-OE4 Series B – 4 Output Analog Module Image Table Mapping
1794-OE4/B Memory Map
Decimal Bit15 14 13 12 11 10 09080706050403020100Size
Octal Bit 17 16 15 14 13 12 11 10 07 06 05 04 03 02 01 00 Read/Write Words
S Not used – set to zero W3 W2 W1 W0 Read Word 0
S Analog Value Channel 0 Write Word 0
S Analog Value Channel 1 Word 1
S Analog Value Channel 2 Word 2
S Analog Value Channel 3 Word 3
S Not used – set to 0 Chx Safe State Config Word 4
PU Not used – set to 0 C3 C2 C1 C0 Not used – set to 0 F3 F2 F1 F0 Word 5
S Not used – set to 0 Word 6…9
Where: PU = Power up bit – included in Series B modules only.
W = Diagnostic bits for current output wire broken or load resistance high. (Not used on voltage outputs.)
S = Sign bit (in 2’s complement)
C = Configure select bit
F = Full range bit
1794-OE4/B Range Selection Bits (Write Word 6)
Channel No. Channel 0 Channel 1 Channel 2 Channel 3
F0 C0 F1 C1 F2 C2 F3 C3
Decimal Bits
(Octal Bits)
00 08 01 09 02 10 03 11
4…20 mA 10101010
0…10V DC/0…20 mA01010101
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