Protection Menu

Description

The Protection menu contains the following submenus:

Level 1	Level 2	Level 3	Function description
Home	Protection	I long time	Long-time overcurrent protection, L or ANSI 49RMS/51
		I short time⁽¹⁾	Short-time overcurrent protection, S or ANSI 50TD/51
		I instantaneous	Instantaneous overcurrent protection, I or ANSI 50
		I ground fault⁽²⁾	Ground-fault protection, G or ANSI 50N-TD/51N
		I earth leakage⁽³⁾	Earth-leakage protection, ANSI 50G-TD
		I neutral	Neutral protection
		Dual settings	Dual settings
		Advanced⁽⁴⁾	IDMT ground-fault protection
(1) Applies to MicroLogic 5.0 X, 6.0 X for IEC and UL standards, and MicroLogic 7.0 X IEC standard (2) Applies to MicroLogic 6.0 X IEC and UL standards (3) Applies to MicroLogic 7.0 X IEC standard (4) Applies to MicroLogic 2.0 X, 3.0 X and 5.0 X for IEC and UL standards, with IDMT Ground-Fault Digital Module installed

Active Settings

The active settings used by the protection functions are displayed in the Quick View.

The settings in the Protection menu are the settings defined by the user. They may differ from the settings used by the protection functions when Fallback settings mode is active (see detailed topic).

I Long Time

The I long time menu presents the following data and settings:

Level 3	Level 4	Parameter name
I long time	Ir (x In)	Ir long-time overcurrent protection threshold expressed according to the control unit rated current In. Used for quick settings: 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 0.95, 0.98, 1 x In.
Ir (A)	Ir long-time overcurrent protection threshold expressed in Amps. Used for settings with 1 A resolution.
tr@6Ir (s)	tr long-time overcurrent protection time delay.

Level 3

Level 4

Parameter name

I long time

Ir (x In)

Ir long-time overcurrent protection threshold expressed according to the control unit rated current In.

Used for quick settings: 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 0.95, 0.98, 1 x In.

Ir (A)

Ir long-time overcurrent protection threshold expressed in Amps.

Used for settings with 1 A resolution.

tr@6Ir (s)

tr long-time overcurrent protection time delay.

I Short Time

The I short time menu for MicroLogic 5.0 X, 6.0 X for IEC and UL standards, and MicroLogic 7.0 X IEC standard presents the following data and settings:

Level 3	Level 4	Parameter name
I short time	Ir (A)	Ir long-time overcurrent protection threshold expressed according to the control unit rated current In, for display only.
	Isd (x Ir)	Isd short-time overcurrent protection threshold expressed according to the Ir long-time overcurrent protection threshold. Step = 0.5 x Ir. Range = 0.5–10 x Ir
	Isd (A)	Isd short-time overcurrent protection threshold expressed in Amps, for display only.
	tsd (s)	tsd short-time overcurrent protection time delay.
	I²t (tsd)	Enable inverse time curve function: ON or OFF

I Instantaneous

The I instantaneous menu for MicroLogic 2.0 X IEC standard presents the following data and settings:

Level 3	Level 4	Parameter name
I instantaneous	Ir (A)	Ir long-time overcurrent protection threshold expressed in Amps, for display only.
Isd (x Ir)	Isd instantaneous overcurrent protection threshold expressed according to the Ir long-time overcurrent protection threshold. Step = 0.5 x Ir. Range = 0.5–10 x Ir
Isd (A)	Isd instantaneous overcurrent protection threshold expressed in Amps, for display only.

Level 3

Level 4

Parameter name

I instantaneous

Ir (A)

Ir long-time overcurrent protection threshold expressed in Amps, for display only.

Isd (x Ir)

Isd instantaneous overcurrent protection threshold expressed according to the Ir long-time overcurrent protection threshold.

Step = 0.5 x Ir. Range = 0.5–10 x Ir

Isd (A)

Isd instantaneous overcurrent protection threshold expressed in Amps, for display only.

The I instantaneous menu for MicroLogic 3.0 X UL standard presents the following data and settings:

Level 3	Level 4	Parameter name
I instantaneous	Ii (x In)	Ii instantaneous overcurrent protection threshold expressed according to the control unit rated current In.
	Ii (A)	Ii instantaneous overcurrent protection threshold expressed in Amps, for display only.
	Ii tripping mode	Instantaneous overcurrent protection time delay mode: Standard or Fast

The I instantaneous menu for MicroLogic 5.0 X, 6.0 X for IEC and UL standards, and MicroLogic 7.0 X IEC standard, presents the following data and settings:

Level 3	Level 4	Parameter name
I instantaneous	Protection	Enable instantaneous overcurrent protection mode: OFF: the following menus are not displayed ON: the following menus are displayed
	Ii (x In)	Ii instantaneous overcurrent protection threshold expressed according to the control unit rated current In. Step = 0.5 x In. Range = 0.2–15 x In
	Ii (A)	Ii instantaneous overcurrent protection threshold expressed in Amps, for display only.
	Ii tripping mode	Instantaneous overcurrent protection time delay mode: Standard or Fast

I Ground Fault for IEC Standard

WARNING
HAZARD OF EQUIPMENT DAMAGE With MicroLogic X control unit for IEC standard, when using source ground return (SGR) with MDGF module: Ig mode setting in OFF position is forbidden. Ig threshold setting must be ≤1,200 A. Failure to follow these instructions can result in death, serious injury, or equipment damage.

NOTE: Ground-fault protection is also called earth-fault protection.

The I ground fault menu for MicroLogic 6.0 X IEC standard presents the following data and settings:

Level 3	Level 4	Level 5	Parameter name
I ground fault	I	Protection	Enable ground fault overcurrent protection mode: OFF: the following menus are not displayed ON: the following menus are displayed
		Ig (x In)	Ig ground fault protection threshold expressed according to the control unit rated current In. Used for quick settings: 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1 x In.
		Ig (A)	Ig ground fault protection threshold expressed in Amps. Used for settings with: 1 A resolution for In ≤1000 A 10 A resolution for In > 1000 A
		tg (s)	tg ground fault protection time delay. Settings: 0, 0.1, 0.2, 0.3, 0.4 s
		I²t (tg)	Enable ground fault protection curve function: ON or OFF

I Ground Fault for UL Standard

The I ground fault menu for MicroLogic 6.0 X UL standard presents the following data and settings:

Level 3	Level 4	Level 5	Parameter name
I ground fault	I	Ig (x In)	Ig ground fault protection threshold expressed according to the control unit rated current In. Used for quick settings: 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1 x In.
		Ig (A)	Ig ground fault protection threshold expressed in Amps. Used for settings with: 1 A resolution for In ≤1000 A 10 A resolution for In > 1000 A
		tg (s)	tg ground fault protection time delay. Settings: 0, 0.1, 0.2, 0.3, 0.4 s
		I²t (tg)	Enable ground fault protection curve function: ON or OFF

I Earth Leakage

The I earth leakage menu for MicroLogic 7.0 X IEC standard presents the following data and settings:

Level 3	Level 4	Parameter name
I earth leakage	IΔn (A)	Earth-leakage protection threshold expressed in Amps. Step = 0.1 A Range = 0.5–30 A
Δt (s)	Earth-leakage protection time delay. Settings: 0.06, 0.15, 0.23, 0.35, 0.80 s

Level 3

Level 4

Parameter name

I earth leakage

IΔn (A)

Earth-leakage protection threshold expressed in Amps.

Step = 0.1 A Range = 0.5–30 A

Δt (s)

Earth-leakage protection time delay.

Settings: 0.06, 0.15, 0.23, 0.35, 0.80 s

I Neutral

The I neutral menu presents the following data and settings:

Level 3	Level 4	Parameter name
I neutral⁽¹⁾	Nb poles	Number of poles 3P or 4P, for display only.
	Ir (A)	Ir long-time overcurrent protection threshold expressed in Amps, for display only.
	Protection	Set neutral protection: OFF N/2 (factory setting) N Oversized N
	IN (A)	RMS current on neutral, for display only.
(1) Applies to 4-pole circuit breakers and 3-pole circuit breakers with ENCT option.

Dual Settings

The Dual settings menu presents the following data and settings:

Level 3	Level 4	Parameter name
Dual settings	Dual settings	Enables dual settings: NO (factory setting): dual settings is disabled YES: dual settings is enabled
	Settings	Displays the active configuration A or B when Dual settings is enabled.
	Switch mode⁽¹⁾	Displays the configured mode for switching between setting group A and setting group B: Local HMI Remote IO - 1 Wire IO - 2 Wires
(1) Displayed if Dual settings is enabled. Configurable through EcoStruxure Power Commission software.

If the Dual settings menu is enabled the menu Settings B with the following data and settings is shown and can be configured:

Level 5	Level 6	Parameter name
I long time⁽¹⁾	Ir (x In)	Ir long-time overcurrent protection threshold expressed according to the control unit rated current In. Used for quick settings: 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 0.95, 0.98, 1 x In
	Ir (A)	Ir long-time overcurrent protection threshold expressed in Amps. Used for settings with 1 A resolution.
	tr@6Ir (s)	tr long-time overcurrent protection time delay.
I short time⁽¹⁾	Ir (A)	Ir long-time overcurrent protection threshold expressed according to the control unit rated current In, for display only.
	Isd (x Ir)	Isd short-time overcurrent protection threshold expressed according to the Ir long-time overcurrent protection threshold. Step = 0.5 x Ir; Range = 0.5–10 x Ir.
	Isd (A)	Isd short-time overcurrent protection threshold expressed in Amps, for display only.
	tsd (s)	tsd short-time overcurrent protection time delay.
	I²t	Enable inverse time curve function: ON or OFF
I instantaneous⁽¹⁾	Ir (A) ⁽²⁾	Ir long-time overcurrent protection threshold expressed in Amps, for display only.
	Isd (x Ir) ⁽²⁾	Isd instantaneous overcurrent protection threshold expressed according to the Ir long-time overcurrent protection threshold. Step = 0.5 x Ir. Range = 0.5–10 x Ir
	Isd (A) ⁽²⁾	Isd instantaneous overcurrent protection threshold expressed in Amps, for display only.
I instantaneous⁽¹⁾	Protection⁽³⁾	Enable instantaneous overcurrent protection mode: OFF: the following menus are not displayed. ON: the following menus are displayed.
	Ii (x In)⁽⁴⁾	Ii instantaneous overcurrent protection threshold expressed according to the control unit rated current In. Step = 0.5 x In; Range = 0.2–15 x In.
	Ii (A)⁽⁴⁾	Ii instantaneous overcurrent protection threshold expressed in Amps, for display only.
	Ii tripping mode⁽⁴⁾	Instantaneous overcurrent protection time delay mode: Standard or Fast
I ⁽¹⁾	Protection	Enable ground fault overcurrent protection mode: OFF: the following menus are not displayed. ON: the following menus are displayed.
	Ig (x In)	Ig ground fault protection threshold expressed according to the control unit rated current In. Used for quick settings: 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1 x In.
	Ig (A)	Ig ground fault protection threshold expressed in Amps Used for settings with: 1 A resolution for In ≤1000 A 10 A resolution for In > 1000 A
	tg (s)	tg ground fault protection time delay.
	I²t (tg)	Enable ground fault protection curve function: ON or OFF
(1) If Dual Settings is enabled, B is displayed on the upper left side of these screens. (2) Applies to MicroLogic 2.0 X IEC standard (3) Applies to MicroLogic 5.0 X, 6.0 X, 7.0 X IEC standard and MicroLogic 5.0 X, 6.0 X UL standard (4) Applies to MicroLogic 5.0 X, 6.0 X, 7.0 X IEC standard and MicroLogic 3.0 X, 5.0 X, 6.0 X UL standard

Advanced

The Advanced menu presents the following data and settings:

Level 3	Level 4	Level 5	Parameter name
Advanced⁽¹⁾	IDMT GF⁽²⁾	Protection	Enable IDMT ground-fault protection function: OFF: the following menus are not displayed and the ground-fault protection is not active. ON: the following menus are displayed.
		Action	IDMT ground-fault protection action: Trip Alarm
		Inhibit	Enable inhibit by IO module: OFF ON
		Curve	I4t, for display only.
		Ig (A)	Ig ground-fault protection threshold expressed in Amps.
		IgMax (A)	Maximum Ig ground-fault protection threshold expressed in Amps.
		tg (s)	tg ground-fault protection time delay.
(1) Advanced menu applies to MicroLogic 2.0 , 3.0 X, 5.0 X for IEC and UL standards. (2) IDMT GF menu is grayed out if IDMT Ground-fault Digital Module is not installed.