Automationdirect.com DL05 User Manual

Appendix D
Special Relays
D–3
Special Relays
SP36 Override setup
relay
on when the override function is used.
SP37 Scan control
error
on when the actual scan time runs over the prescribed scan time.
SP40 Critical error on when a critical error such as I/O communication loss has
occurred.
SP41 Warning on when a non critical error has occurred.
SP42 Diagnostics error on when a diagnostics error or a system error occurs.
SP44 Program
memory error
on when a memory error such as a memory parity error has
occurred.
SP45 I/O error on when an I/O error such as a blown fuse occurs.
SP46 Communications
error
on when a communication error occurs on any of the CPU ports.
SP50 Fault instruction on when a Fault Instruction is executed.
SP51 Watch Dog
timeout
on if the CPU Watch Dog timer times out.
SP52 Grammatical
error
on if a grammatical error has occurred either while the CPU is
running or if the syntax check is run. V7755 will hold the exact error
code.
SP53 Solve logic error on if CPU cannot solve the logic.
SP54 Communication
error
on whent RX, WX, RD, WT instructions are executed with the wrong
parameters.
SP56 Table instuction
overrun
on if a table instruction with a pointer is executed and the pointer
value is outside the table boundary.
SP60 Value less than on when the accumulator value is less than the instruction value.
SP61 Value equal to on when the accumulator value is equal to the instruction value.
SP62 Greater than on when the accumulator value is greater than the instruction value.
SP63 Zero on when the result of the instruction is zero (in the accumulator.)
SP64 Half borrow on when the 16 bit subtraction instruction results in a borrow.
SP65 Borrow on when the 32 bit subtraction instruction results in a borrow.
SP66 Half carry on when the 16 bit addition instruction results in a carry.
SP67 Carry when the 32 bit addition instruction results in a carry.
SP70 Sign on anytime the value in the accumulator is negative.
SP71 Pointer
reference error
on when the V-memory specified by a pointer (P) is not valid.
SP73 Overflow on if overflow occurs in the accumulator when a signed addition or
subtraction results in an incorrect sign bit.
SP75 Data error on if a BCD number is expected and a non–BCD number is
encountered.
SP76 Load zero on when any instruction loads a value of zero into the accumulator.
System Monitoring
Accumulator
Status

Automationdirect.com DL05 Specifications

General

Brand	Automationdirect.com
Model	DL05
Category	Controller
Language	English