SICK MCS100E, Руководство по эксплуатации

Страница: 74 / 142

Operation
74 MCS100E Operating Instructions 8009504/VYWA7/V3-1/2018-01 © SICK AG
Su
bj
ect
to
ch
an
ge
with
ou
t n
otic
e
Commands
The commands serve as basis for the programs.
The control of measurement sequences is defined in the programs. This is achieved by
linking conditions and actions by means of logic operators.
Conditions resp. actions are again interconnections of variables with logic operators.
Variables for conditions are e.g. digital inputs (DI) or high and low warning limits (WH resp.
WL). These can either be active (set) or not. Variables for actions are e.g. digital outputs
(DO) or programmable texts (TX) each of which can be switched on, off or over.
When performing a measurement sequence the individual conditions of activated program
lines are interrogated cyclically every second. If the conditions are met, then the actions are
carried out, e.g.
NOT DI12: ON DO4
This program line defines that the digital output (DO 4) is switched on, if the digital input 12
(DI 12) is not active (set).
Programs can also be entered in a short form. The example stated above would then read:
!DI12:DO4
Only for the backpurge program:
Interval
Total interval containing the pulse time
Length of pulse Duration of the backpurge pulse
Relays The pulse triggers the relay defined here.
At the end of a backpurge program the relay is always set to the rest state. (No
entries possible in this menu.)
Key assignment::
<Shift–F3>
Copy
<Shift–F4> Insert
<Shift–F5>
Cross-reference (display where variables are used)
<Shift–F6> Display list of names
Syntax 1
1
The use of capital or small letters is free
Formula =

Condition:
[[
Switch
]
Variable

,
[
Switch
]
Variable

Field limiter

Condition = Variable
 [
Operator
] [(]
Condition
[)] 
Commands
Variables, for interrogation only:
Ti
Timer (i=1..116), e.g.
Ti>t: Timer i greater than t (t in seconds)
Ti =t: Timer i equal to t
Ti <t: Timer i smaller than t
Timers 1..100 are set to zero during start of program.
Timers 101..116 resume operation after start of program as well as after
“Power On“