Siemens ULTRAMAT 23 Manual page 139

Table 8- 4 Overview of relay assignments
Function
Limit
Measuring range
Status messages
Fault
Maintenance request
CAL/MEAS
Function control
External solenoid valves
Zero gas
Calibration gas (sample
gas inlet)
Sync.
The pin assignments of the relays in the de-energized state are described in section Pin
assignments (Page 54).
The functions which can be assigned to the relays have the following meanings:
ULTRAMAT 23
Manual, 3/2016, A5E37100388-003
Relay de-energized
Limit has been triggered
Range 2
Fault present
Maintenance
request
Measure
Function control
present
Zero gas flowing
Relay energized
Range 1
AUTOCAL
Calibration gas flowing
Synchronization signal is
output
Limit messages
The upper and lower limits can be defined as events for trig-
gering relays. Select the desired relay(s) in the second and
third lines of this menu.
This function is specific to the component.
Relays for MR
A relay for range switchover can be assigned to each compo-
nent. This guarantees reliable assignment of the analog output
signal to the currently active range, especially with autoranging
(see section Parameter: Measuring ranges (Page 125)).
8.4 Configuration
Signaling
Limit
(see section Parameters: Limits
(Page 128))
-
AUTOCAL
During warm-up phase (approx. 30
min), AUTOCAL,
uncoded
Ext. solenoid valve open
Ext. solenoid valve open
AUTOCAL only "Zero gas flow" and
adjustment not during sample gas
purging phase
Functions
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