Siemens 7MB2041, Руководство по эксплуатации, Страница: 87 / 152

Operation
5.4 Operating functions
OXYMAT 64
Operating Instructions, 06/2008, A5E00880383-03
85
The connection assignments for the individual inputs can be found in the section "Electric
connection".
No binary input has been preassigned in the factory.
Press the fifth softkey ("...continue"), to access the next function screen, thus branching to
further binary inputs.
NOTICE
Save changes
Make sure you save every change in the configuration of the binary inputs in the user data
memory using function 75! If you neglect to do this, there is a danger that a previous
(unwanted) configuration will be loaded by "Load user data" (function 75).
Table 5- 7 Binary input activation functions
Function Necessary activation
voltage
Remark / effect
0 V 24 V 24 V
(min. 1 s)
Not assigned No effect when activated
Fault 1 to 7 N X
Maintenance
request 1 to 7
N X
e.g. due to:
•
Signal from a gas preparation system:
– Condensate overflow
– Gas cooler defective
•
Fault message from interfering gas analyzer
Acknowledge N, X Activation deletes all logbook entries.
However, if the cause of a fault or maintenance
request has not been eliminated, the
corresponding message reappears in the logbook.
Functional check 1
to 4
N X Relay must be configured for functional check
using function 71 if, for example, the function is to
be checked by a second device.
Autocal N, X Note:
Effective activation only possible in "Measure"
operating state!
Autocal must be parameterized (function 24)
Measuring range 1
to 4
N, X Activation switches to the corresponding
measuring range.
Zero gas N, X Note:
Effective activation only possible in "Measure"
operating state!
Relay must be configured for zero gas. After
activation, the device changes from "Measure" to
"Calibration" operating state. See also "Example -
binary inputs"