MicroLogic Trip Unit Protection Commands
Long-Time Protection
The user can read the long-time protection parameters from register 8754 to 8763 Long-Time Protection Parameters.
To set the long-time protection parameters, the user must set up the command registers the following way:
Address |
Register |
X |
Unit |
Type |
Range |
A/E |
Description |
---|---|---|---|---|---|---|---|
0x1F3F |
8000 |
– |
– |
INT16U |
45192 |
A/E |
Command code = 45192 |
0x1F40 |
8001 |
– |
– |
INT16U |
18 |
A/E |
Number of parameters (bytes) = 18 |
0x1F41 |
8002 |
– |
– |
INT16U |
5121 |
A/E |
Destination = 5121 (0x1401) |
0x1F42 |
8003 |
– |
– |
INT16U |
1 |
A/E |
Security type of the command |
0x1F43– 0x1F44 |
8004– 8005 |
– |
– |
OCTETSTRING |
– |
A/E |
Password of the command: Administrator user profile password |
0x1F45 |
8006 |
1 |
A |
INT16U |
– |
A/E |
Ir pick-up value. The Ir range depends on the nominal current In and on the position of the MicroLogic trip unit rotary switch 1 (Ir). |
0x1F46 |
8007 |
1 |
ms |
INT16U |
500– 16000 |
A/E |
tr time delay (distribution application only) tr = 500, 1000, 2000, 4000, 8000, 16000 ms |
0x1F47 |
8008 |
– |
– |
INT16U |
5–30 |
A/E |
Motor class (motor application only) Possible values = 5, 10, 20, 30 s |
0x1F48 |
8009 |
– |
– |
INT16U |
1–2 |
A/E |
Cool fan (motor application only) 1 = auto, 2 = motor |
Short-Time Protection
The user can read the short-time protection parameters from register 8764 to 8773 Short-Time Protection Parameters.
To set the short-time protection parameters, the user must set up the command registers the following way:
Address |
Register |
X |
Unit |
Type |
Range |
A/E |
Description |
---|---|---|---|---|---|---|---|
0x1F3F |
8000 |
– |
– |
INT16U |
45193 |
A/E |
Command code = 45193 |
0x1F40 |
8001 |
– |
– |
INT16U |
16 |
A/E |
Number of parameters (bytes) = 16 |
0x1F41 |
8002 |
– |
– |
INT16U |
5121 |
A/E |
Destination = 5121 (0x1401) |
0x1F42 |
8003 |
– |
– |
INT16U |
1 |
A/E |
Security type of the command |
0x1F43– 0x1F44 |
8004– 8005 |
– |
– |
OCTETSTRING |
– |
A/E |
Password of the command: Administrator user profile password |
0x1F45 |
8006 |
10 |
– |
INT16U |
(1) |
A/E |
Isd coefficient, adjustable in step of 5. Isd pick-up value = (Ir) x (Isd coefficient) / 10 |
0x1F46 |
8007 |
1 |
ms |
INT16U |
0–400 |
A/E |
tsd time delay tsd= 0, 100, 200, 300, 400 ms If tsd = 0 ms, then I2t must be Off. |
0x1F47 |
8008 |
– |
– |
INT16U |
0–1 |
A/E |
Type of protection: 0 = I2t On, 1 = I2t Off For motor application, tsd = 0 ms and I2t is Off (fixed values). |
(1) For distribution application, the range is 15–100. For motor application, the range is 50–130. |
Instantaneous Protection
The user can read the instantaneous protection parameters from register 8774 to 8783 Instantaneous Protection Parameters.
To set the instantaneous protection parameters, the user must set up the command registers the following way:
Address |
Register |
X |
Unit |
Type |
Range |
A/E |
Description |
---|---|---|---|---|---|---|---|
0x1F3F |
8000 |
– |
– |
INT16U |
45194 |
A/E |
Command code = 45194 |
0x1F40 |
8001 |
– |
– |
INT16U |
12 |
A/E |
Number of parameters (bytes) = 12 |
0x1F41 |
8002 |
– |
– |
INT16U |
5121 |
A/E |
Destination = 5121 (0x1401) |
0x1F42 |
8003 |
– |
– |
INT16U |
1 |
A/E |
Security type of the command |
0x1F43– 0x1F44 |
8004– 8005 |
– |
– |
OCTET STRING |
– |
A/E |
Password of the command: Administrator user profile password |
0x1F45 |
8006 |
10 |
– |
INT16U |
(1) |
A/E |
Ii coefficient, adjustable in step of 5. Ii pick-up value = (In) x (Ii coefficient) / 10 |
(1) The Ii coefficient range depends on the circuit breaker size:
|
Ground-Fault Protection
The user can read the ground-fault protection parameters from register 8784 to 8793 Ground-Fault Protection Parameters.
To set the ground-fault protection parameters, the user must set up the command registers the following way:
Address |
Register |
X |
Unit |
Type |
Range |
A/E |
Description |
---|---|---|---|---|---|---|---|
0x1F3F |
8000 |
– |
– |
INT16U |
45195 |
A/E |
Command code = 45195 |
0x1F40 |
8001 |
– |
– |
INT16U |
16 |
A/E |
Number of parameters (bytes) = 16 |
0x1F41 |
8002 |
– |
– |
INT16U |
5121 |
A/E |
Destination = 5121 (0x1401) |
0x1F42 |
8003 |
– |
– |
INT16U |
1 |
A/E |
Security type of the command |
0x1F43– 0x1F44 |
8004– 8005 |
– |
– |
OCTET STRING |
– |
A/E |
Password of the command: Administrator user profile password |
0x1F45 |
8006 |
100 |
– |
INT16U |
(1) |
A/E |
Ig coefficient, adjustable in step of 5. The value is defined by the position of the MicroLogic trip unit rotary switch 2 (Ig). Ig pick-up value = (In) x (Ig coefficient) / 100 |
0x1F46 |
8007 |
1 |
ms |
INT16U |
0–400 |
A/E |
tg time delay tg = 0, 100, 200, 300, 400 ms If tg = 0 ms, then I2t must be Off. |
0x1F47 |
8008 |
– |
– |
INT16U |
0–1 |
A/E |
Type of protection: 0 = I2t On, 1 = I2t Off For motor application, tg = 0 ms and I2t is Off (fixed values). |
(1) The Ig coefficient depends on the sensor rating In and the MicroLogic trip unit rotary switch if it exists. For example, 0 (protection Off) or 0.40 In to In in step of 0.05. The Ig coefficient cannot be set using the command interface when the MicroLogic rotary switch position Ig is Off. |
Earth-Leakage Protection
The user can read the earth-leakage protection parameters from register 8794 to 8803 Earth-Leakage Protection Parameters.
To set the earth-leakage protection parameters, the user must set up the command registers the following way:
Address |
Register |
X |
Unit |
Type |
Range |
A/E |
Description |
---|---|---|---|---|---|---|---|
0x1F3F |
8000 |
– |
– |
INT16U |
45196 |
E |
Command code = 45196 |
0x1F40 |
8001 |
– |
– |
INT16U |
14 |
E |
Number of parameters (bytes) = 14 |
0x1F41 |
8002 |
– |
– |
INT16U |
5121 |
E |
Destination = 5121 (0x1401) |
0x1F42 |
8003 |
– |
– |
INT16U |
1 |
E |
Security type of the command |
0x1F43– 0x1F44 |
8004– 8005 |
– |
– |
OCTET STRING |
– |
E |
Password of the command: Administrator user profile password |
0x1F45 |
8006 |
1 |
mA |
INT16U |
0–FFFF |
E |
Reserved |
0x1F46 |
8007 |
1 |
ms |
INT16U |
0–1000 |
E |
tΔn time delay tΔn = 0, 60, 150, 500, 1000 ms If IΔn = 0.03 mA, then tΔn = 0 ms |
Neutral Protection
The neutral protection is only available when system type in register 3314 is 30 or 41 System Type.
The user can read the neutral protection parameters from register 8916 to 8919 Neutral Protection Parameters.
To set the neutral protection registers, the user must set up the command registers the following way:
Address |
Register |
X |
Unit |
Type |
Range |
A/E |
Description |
---|---|---|---|---|---|---|---|
0x1F3F |
8000 |
– |
– |
INT16U |
45197 |
A/E |
Command code = 45197 |
0x1F40 |
8001 |
– |
– |
INT16U |
12 |
A/E |
Number of parameters (bytes) = 12 |
0x1F41 |
8002 |
– |
– |
INT16U |
5121 |
A/E |
Destination = 5121 (0x1401) |
0x1F42 |
8003 |
– |
– |
INT16U |
1 |
A/E |
Security type of the command |
0x1F43– 0x1F44 |
8004– 8005 |
– |
– |
OCTET STRING |
– |
A/E |
Password of the command: Administrator user profile password |
0x1F45 |
8006 |
– |
– |
INT16U |
0–3 |
A/E |
Neutral coefficient pickup value 0 = Off 1 = 0.5 2 = 1.0 3 = OSN |
Jam Protection
The jam protection is available for motor application only.
The user can read the jam protection parameters from registers 8900 to 8903 Jam Protection Parameters.
To set the jam protection parameters, the user must set up the command registers the following way:
Address |
Register |
X |
Unit |
Type |
Range |
A/E |
Description |
---|---|---|---|---|---|---|---|
0x1F3F |
8000 |
– |
– |
INT16U |
45448 |
E |
Command code = 45448 |
0x1F40 |
8001 |
– |
– |
INT16U |
16 |
E |
Number of parameters (bytes) = 16 |
0x1F41 |
8002 |
– |
– |
INT16U |
5121 |
E |
Destination = 5121 (0x1401) |
0x1F42 |
8003 |
– |
– |
INT16U |
1 |
E |
Security type of the command |
0x1F43– 0x1F44 |
8004– 8005 |
– |
– |
OCTET STRING |
– |
E |
Password of the command: Administrator user profile password |
0x1F45 |
8006 |
– |
– |
INT16U |
0–1 |
E |
Activation: 0 = Off, 1 = On |
0x1F46 |
8007 |
10 |
– |
INT16U |
10–80 |
E |
Ijam coefficient, adjustable in step of 1. Ijam pick-up value = (Ir) x (Ijam coefficient) / 10 |
0x1F47 |
8008 |
1 |
s |
INT16U |
1–30 |
E |
tjam time delay |
Underload Protection
The underload protection is available for motor application only.
The user can read the underload protection parameters from register 8908 to 8911 Underload Protection Parameters.
To set the underload protection parameters, the user must set up the command registers the following way:
Address |
Register |
X |
Unit |
Type |
Range |
A/E |
Description |
---|---|---|---|---|---|---|---|
0x1F3F |
8000 |
– |
– |
INT16U |
45449 |
E |
Command code = 45449 |
0x1F40 |
8001 |
– |
– |
INT16U |
16 |
E |
Number of parameters (bytes) = 16 |
0x1F41 |
8002 |
– |
– |
INT16U |
5121 |
E |
Destination = 5121 (0x1401) |
0x1F42 |
8003 |
– |
– |
INT16U |
1 |
E |
Security type of the command |
0x1F43– 0x1F44 |
8004– 8005 |
– |
– |
OCTET STRING |
– |
E |
Password of the command: Administrator user profile password |
0x1F45 |
8006 |
– |
– |
INT16U |
0–1 |
E |
Activation: 0 = Off, 1 = On |
0x1F46 |
8007 |
100 |
– |
INT16U |
30–90 |
E |
Iunderload coefficient, adjustable in step of 1. Iunderload pick-up value = (Ir) x (Iunderload) / 100 |
0x1F47 |
8008 |
1 |
s |
INT16U |
1–200 |
E |
tunderload time delay |
Unbalance Protection
The unbalance protection is available for motor application only.
The user can read the unbalance protection parameters from register 8904 to 8907 Unbalance Protection Parameters.
To set the unbalance protection parameters, the user must set up the command registers the following way:
Address |
Register |
X |
Unit |
Type |
Range |
A/E |
Description |
---|---|---|---|---|---|---|---|
0x1F3F |
8000 |
– |
– |
INT16U |
45450 |
E |
Command code = 45450 |
0x1F40 |
8001 |
– |
– |
INT16U |
14 |
E |
Number of parameters (bytes) = 14 |
0x1F41 |
8002 |
– |
– |
INT16U |
5121 |
E |
Destination = 5121 (0x1401) |
0x1F42 |
8003 |
– |
– |
INT16U |
1 |
E |
Security type of the command |
0x1F43– 0x1F44 |
8004– 8005 |
– |
– |
OCTET STRING |
– |
E |
Password of the command: Administrator user profile password |
0x1F45 |
8006 |
1 |
% |
INT16U |
10–40 |
E |
Iunbal coefficient |
0x1F46 |
8007 |
1 |
s |
INT16U |
1–10 |
E |
tunbal time delay |
Long-Start Protection
The long-start protection is available for motor application only.
The user can read the underload protection parameters from register 8912 to 8915 Long-Start Protection Parameters.
To set the long-start protection parameters, the user must set up the command registers the following way:
Address |
Register |
X |
Unit |
Type |
Range |
A/E |
Description |
---|---|---|---|---|---|---|---|
0x1F3F |
8000 |
– |
– |
INT16U |
45451 |
E |
Command code = 45451 |
0x1F40 |
8001 |
– |
– |
INT16U |
16 |
E |
Number of parameters (bytes) = 16 |
0x1F41 |
8002 |
– |
– |
INT16U |
5121 |
E |
Destination = 5121 (0x1401) |
0x1F42 |
8003 |
– |
– |
INT16U |
1 |
E |
Security type of the command |
0x1F43– 0x1F44 |
8004– 8005 |
– |
– |
OCTET STRING |
– |
E |
Password of the command: Administrator user profile password |
0x1F45 |
8006 |
– |
– |
INT16U |
0–1 |
E |
Activation: 0 = Off, 1 = On |
0x1F46 |
8007 |
10 |
– |
INT16U |
10–80 |
E |
Ilongstart coefficient, adjustable in step of 1. Ilongstart pick-up value = (Ir) x (Ilongstart coefficient) / 10 |
0x1F47 |
8008 |
1 |
s |
INT16U |
1–200 |
E |
tlongstart time delay |