CAT LEHE4651-04 manual Standard Features Mstd Package, Feature Function, Optional Packages

AUTOMATIC TRANSFER SWITCH

STANDARD FEATURES (MSTD PACKAGE)

Feature	Function
6/P	Momentary Test Switch
J2E/J2N	Adj. over/under freq (S1 and S2)
A3	Aux Contact (S2 position)
L1/L2	Source Position LEDs
A4	Aux Contact (S1 position)
L3/L4	Source Available LEDs
Calibrate	Volt. and Freq. calibration
LN/P	Center-Off Position LCD*
CDT	Load/No-Load Exerciser
P1	Source 2 Start Time Delay
DS	Auto/Inhibit Switch (> 600A)
R50	In-Phase Monitor
DT	Time Delay – Neutral to S1*
S13/P	Transfer Commit
DW	Time Delay – Neutral to S2*
T	Source 1 Stable Time Delay
E	Engine Start Contact
U	Source 2 Stop Time Delay
EL/P	Log of last 16 events and
	System Data
VI	Voltage Imbalance
K/P	S1 and S2 Freq. Indication
W	S2 Stable Time Delay
YEN	Bypass T and W Time Delays

*Available with Delayed Transition switches only.

OPTIONAL PACKAGES

Exerciser (MEXE) Package, includes:

●STDS Functions

●A1/A1E – S1/S2 Failure aux contact

●A3/A4 – One additional contact each

●CDP – Programmable exerciser

●Q2 – Remote Peak Shave/Load Test

●R16 – Phase Rotation Sensing

Controls (MCON) Package, includes:

●EXES Functions

●Q3 – Remote Inhibit transfer to Emergency

●Q7 – Inhibit Transfer to Normal

●T3/W3 – Elevator Pre-Signal Aux Contacts

●UMD – Universal Motor Load Disconnect

LEHE4651-04 4

Sensing (MSEN) Package, includes:

●EXES Functions

●Normal Source Over voltage sensing (3 phase)

●Q7 – Inhibit Transfer to Normal

●S12P – Auto/Manual Selector Switch

Special (MSPE) Package, includes:

●CONS Functions

●SENS Functions

●S5P – Manual transfer to Normal Switch (Replaces S12P)

Switchgear (MPSG) Package, includes:

●SPES Functions

●Additional set of A3/A4 Contacts

●R15 – Load Shed to “Dead Normal” or

●R15D – Load Shed to Neutral Position*

●S12/P – Auto-Manual Selector Switch

Screenshot of ATS operating parameters on Cat Switchgear HMI.

Combined with the optional Modbus Communication Card, the PSGS package allows for integration with Cat Switchgear. This feature allows ATS operating parameters to be displayed on the PowerLynx® 3000 HMI as well as on the optional Remote Monitoring Software. Supply of this feature set affords real-time monitoring of the ATS as well as direct control over the following parameters from the Switchgear HMI:

●Timer Settings

●Pickup/Dropout settings

●Testing Functions

●Alarm functions

●Manual operation