ABB RELION REM615, Product Manual

Page: 43 / 72

Table 46. Motor load jam protection (JAMPTOC) main settings
Parameter Function Value (Range) Step
Operation JAMPTOC Off
On -
Start value JAMPTOC 0.10...10.00 x I
n
0.01
Operate delay time JAMPTOC 100...120000 ms 10
Table 47. Motor start-up supervision (STTPMSU)
Characteristic Value
Operation accuracy Depending on the frequency of the current
measured: f
n
±2 Hz
±1.5% of the set value or ±0.002 x I
n
Start time
1)2) Minimum Typical Maximum
I
Fault
= 1.1 x set Start
detection A
27 ms 30 ms 34 ms
Operate time accuracy ±1.0% of the set value or ±20 ms
Reset ratio Typical 0.90
1) Current before = 0.0 x I
n
, f
n
= 50 Hz, overcurrent in one phase, results based on statistical distribution of 1000
measurements
2) Includes the delay of the signal output contact
Table 48. Motor start-up supervision (STTPMSU) main settings
Parameter Function Value (Range) Step
Motor start-up A STTPMSU
1.0...10.0 x I
n
0.1
Motor start-up time STTPMSU 1...80.0 s 1
Lock rotor time STTPMSU 2...120 s 1
Operation STTPMSU Off
On -
Operation mode STTPMSU IIt
IIt, CB
IIt & stall
IIt & stall, CB -
Restart inhibit time STTPMSU 0...250 min 1
Motor Protection and Control 1MRS756890 D
REM615
Product version: 3.0
Issued: 2010-06-29
ABB 43