Proservo NMS80/81/83
Endress+Hauser 17
Further parameter settings
The following parameters affect the safety function. However, they may be freely configured in
accordance with the application:
It is recommended to note down the configured values!
Parameter Parameter name
Setup Upper density
Setup Process condition
Setup High stop level
Setup Low stop level
Setup Empty
Current input measurement: Setup → Advanced setup → Input/output → Analog I/O
0 % value
100 % value
The following parameters affect the safety function and are not freely configurable in Expert mode.
Instead, they are automatically set by the device to the safety-related values mentioned at the start
of SIL confirmation:
Parameter Preset value
Operation → Gauge command → Gauge command Level
Setup → Advanced setup → Input/output → Digital input mapping → Digital input
source 1
None
Setup → Advanced setup → Input/output → Digital input mapping → Digital input
source 2
None
Setup → Advanced setup → Input/output → Digital Xy-z → Contact type Normally closed
Setup → Advanced setup → Input/output → Digital Xy-z → Output simulation Disable
Setup → Advanced setup → Application → Tank calculation → HyTD → HyTD mode No
Setup → Advanced setup → Application → Tank calculation → CTSh → CTSh mode No
Setup → Advanced setup → Application → Alarm → Alarm X → Error value All alarms
Setup → Advanced setup → Application → Alarm → Alarm X → Alarm mode On
Setup → Advanced setup → Safety settings → Output out of range Alarm
Diagnostics → Simulation → Simulation distance on Off
Diagnostics → Simulation → Current output 1 simulation Off
Expert → Input/output → Digital Xy-z → Error on event Any error
Expert → Input/output → Analog I/O → Error on event Any error
Expert → Input/output → Analog I/O → Output out of range Alarm
Expert → Input/output → Analog I/O → Feedback threshold 1 s
Those parameters which are not mentioned do not affect the safety function and can be
configured to any meaningful values. The visibility of the parameters mentioned in the
operating menu depends in part on the user role, the SW options ordered and on the
configuration of other parameters.
Unlocking a SIL device
When SIL locking is active on a device, the device is protected against unauthorized operation by
means of a locking code and, as an additional option, by means of a hardware write protection
switch. The device must be unlocked in order to change the configuration for proof-tests as per test
sequence A → 20, test sequence B → 22or test sequence C → 24.
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