Instruction Manual

Logic Functions - Book 1
DIGITAL OUTPUT MODULE BLOCKS (DOM, DDOM, WDOM)
5-10
Not Run
Initialize
Unlock
LSP Quality
I/O
Selection
Track
Bad
Auto
Manual
Lock
Module Error
FS HOLD
See PART 2
Normal
TRUE
Lock
RQ
Mode
I/O Mismatch
(SUPP/ENAB)
Module Error
(SUPP/ENAB)
RBQ
Manual
Auto
BAD
GOOD
Input
Diagnostic
Group
(NONE, 1 - 7)
LSP
FALSE
AND
OR
Track
Status
I/O Lock
(from IF Block)
Initialize
PART 1
(init flag)
Bad Inputs
Accepted
(YES/NO)
PART 2
Digital Output Module
• Solid State Relay Output
• Unconditioned Digital Output
• SPST Relay Output 1 or 2
• Form C Relay Output
See PART 1
Output to
Use on
Restart
Action
REVERSE
DIRECT
PRESET
PREVIOUS
Readback
Result
Preset
Output
Value (T/F)
AND
Failsafe
Output Value
(from Select
Circuit)
FALSE
TRUE
MODMMA
MODMMU
Slot Number
Error Check
DOMERRA
DOMERRU
MODMM
Quality Check
Board Number
Bad
Scaled Result
Scaled Readback
Instrument State
(from IF Block)
Figure 5-5. Digital Output Module Block, Functional Block Diagram