Technical Data; Technical Revision History; Motor Load Jam Protection Jamptoc; Identification - ABB RELION 611 Series Technical Manual

1MRS757454 D
4.1.3.9
4.1.3.10
4.1.4
4.1.4.1
4.1.4.2
4.1.4.3
611 series
Technical Manual

Technical data

Table 125: T1PTTR Technical data
Characteristic
Operation accuracy
1)
Operate time accuracy
1) Overload current > 1.2 × Operate level temperature

Technical revision history

Table 126: T1PTTR Technical revision history
Technical revision
C
D
E
F

Motor load jam protection JAMPTOC

Identification

Function description
Motor load jam protection

Function block

GUID-FA5FAB32-8730-4985-B228-11B92DD9E626 V2 EN
Figure 61: Function block

Functionality

The motor load jam protection function JAMPTOC is used for protecting the motor in
stall or mechanical jam situations during the running state.
Protection functions
Value
Depending on the frequency of the measured
current: f ±2 Hz
n
Current measurement: ±1.5% of the set value or
±0.002 × I (at currents in the range of 0.01...4.00
n
× I )
n
±2.0% of the theoretical value or ±0.50 s
Change
Removed the Sensor available setting parameter
Added the AMB_TEMP input
Internal improvement.
Internal improvement.
IEC 61850 IEC 60617
identification identification
JAMPTOC Ist>
Section 4
ANSI/IEEE C37.2
device number
51LR
137