Measurement Parameters
System Type
The setup ENVT (External Neutral Voltage Tap) presence command (command code = 46472) configures the content of the system type register.
Address |
Register |
RW |
X |
Unit |
Type |
Range |
A/E/P |
Description |
---|---|---|---|---|---|---|---|---|
0x0CF1 |
3314 |
R-WC |
– |
– |
INT16U |
30, 31, 40, 41 |
E/P |
System type Factory setting:
|
Determining system type:
If... |
Then... |
Result |
---|---|---|
the system type is a three-pole circuit breaker with external neutral current transformer and without external neutral voltage tap |
system type = 30 |
|
the system type is a three-pole circuit breaker without external neutral current transformer and without external neutral voltage tap |
system type = 31 |
|
the system type is a three-pole circuit breaker without external neutral current transformer and with external neutral voltage tap |
system type = 40 |
|
the system type is a three-pole circuit breaker with external neutral current transformer and external neutral voltage tap, or if the system type is 4-pole circuit breaker |
system type = 41 |
|
This table presents the text to choose on the MicroLogic E trip unit display according to the system type determined previously:
If... |
Then... |
---|---|
system type = 31 |
select |
system type = 40 |
select |
system type = 41 |
select |
Power Flow Sign
On MicroLogic P trip units, the power flow sign is configured by using the MicroLogic HMI or the power flow sign configuration command (command code = 47240).
On MicroLogic E trip units, the power flow sign is configured by using the MicroLogic HMI only.
Address |
Register |
RW |
X |
Unit |
Type |
Range |
A/E/P |
Description |
---|---|---|---|---|---|---|---|---|
0x0CF3 |
3316 |
R-WC |
– |
– |
INT16U |
0–1 |
E/P |
Power flow sign: 0 = the active power flows from upstream (top) to downstream (bottom) (factory setting). 1 = the active power flows from downstream (bottom) to upstream (top). |
Reactive Power Sign
Address |
Register |
RW |
X |
Unit |
Type |
Range |
A/E/P |
Description |
---|---|---|---|---|---|---|---|---|
0x0CF4 |
3317 |
RW |
– |
– |
INT16U |
0–1 |
E/P |
Sign convention for the reactive power: 0 = alternate IEEE convention 1 = IEEE and IEC convention (factory setting) (1) |
(1) With MicroLogic E trip unit, only IEC convention. |
Power Factor Sign
The power factor sign configuration command (command code = 47241) configures the content of the power factor sign register.
Address |
Register |
RW |
X |
Unit |
Type |
Range |
A/E/P |
Description |
---|---|---|---|---|---|---|---|---|
0x0CF5 |
3318 |
R-WC |
– |
– |
INT16U |
0–2 |
E/P |
Sign convention for the power factor and the fundamental power factor (cosϕ): 0 = IEC convention 1 = alternate IEEE convention 2 = IEEE convention (factory setting) (1) |
(1) With MicroLogic E trip unit, only IEC convention. |
Energy Accumulation Mode
The energy accumulation mode configuration command (command code = 47242) configures the content of the energy accumulation mode register.
Address |
Register |
RW |
X |
Unit |
Type |
Range |
A/E/P |
Description |
---|---|---|---|---|---|---|---|---|
0x0CFB |
3324 |
R-WC |
– |
– |
INT16U |
0–1 |
E/P |
Energy accumulation mode: 0 = absolute accumulation (factory setting) (1) Ep = EpIn + EpOut Eq = EqIn + EqOut 1 = signed accumulation Ep = EpIn – EpOut Eq = EqIn – EqOut |
(1) With MicroLogic E trip unit, only absolute computation is available. |
Demand Time
The current demand configuration command (command code 47243) configures the content of registers 3351 and 3352.
The power demand configuration command (command code 47244) configures the content of registers 3354 and 3355.
Address |
Register |
RW |
X |
Unit |
Type |
Range |
A/E/P |
Description |
---|---|---|---|---|---|---|---|---|
0x0D16 |
3351 |
RW |
– |
– |
INT16U |
0–1 |
E/P |
Current demand calculation method (window type): 0 = block interval, sliding 1 = thermal, sliding (factory setting) (1) |
0x0D17 |
3352 |
R-WC |
x1 |
min |
INT16U |
5–60 |
E/P |
Duration of the current demand calculation window, adjustable in steps of 1 minute. The factory setting is 15 minutes (2). |
0x0D19 |
3354 |
R-WC |
– |
– |
INT16U |
0–5 |
E/P |
Power demand calculation method (window type): 0 = sliding (block interval) (factory setting) 1 = sliding (thermal) (1) 2 = block (block interval) 5 = synchronized to communication |
0x0D1A |
3355 |
R-WC |
x1 |
min |
INT16U |
5–60 |
E/P |
Duration of the power demand calculation window, adjustable in steps of 1 minute. The factory setting is 15 minutes. |
(1) With MicroLogic E trip unit, only the thermal sliding option is available. (2) The duration in minutes of the current demand calculation window set in this register is used for the maximum current I1, I2, and I3 and IN protection functions. When these protection functions are active, it is possible to modify the duration of the calculation window whether the protective cover for the dial settings is closed or not, whether remote access is authorized (MicroLogic) or not, and whether the supervisor knows the remote access control word or not. |
Nominal Voltage
The setup nominal primary voltage Vn display command (command code = 47245) configures the content of the nominal voltage register.
Address |
Register |
RW |
X |
Unit |
Type |
Range |
A/E/P |
Description |
---|---|---|---|---|---|---|---|---|
0x258F |
9616 |
R-WC |
1 |
V |
INT16U |
100–1150 |
E/P |
Nominal primary voltage Vn on the voltage transformer. Factory setting = 690 V |
0x2590 |
9617 |
RW |
1 |
V |
INT16U |
100–690 |
P |
Nominal secondary voltage on the voltage transformer. Factory setting = 690 V |