S5P, SW1, SW2, SW3, Umd, Yen | CAT LEHE4651-04 instruction

AUTOMATIC TRANSFER SWITCH

CTS SERIES ACCESSORY DEFINITIONS (continued)

LonWorks

LonWorks Communication Module

Single Phase Amp Meter (Analog)

Three Phase Amp Meter (Analog)

M90

EPM2000 True RMS Digital Meter with display (Amps, Volts, Power, Energy, Power Factor and Frequency). 3 Line LED Display. 50/60 Hz Universal Operation. 1 or 3 phase. Standard Modbus RTU RS485 communications capability.

M90A

Includes Modbus communication card and factory wiring between EPM2000 and Modbus communication card.

M90B

Includes Modbus communication card, Ethernet communication adapter and factory wiring between EPM2000 and Modbus communication card.

M91

EPM6000 True RMS Digital Meter with display (Amps, Volts, Power, Energy, Power Factor and Frequency, THD). Certified energy and demand metering. Meets ANSI C12.20 and IEC 687 Accuracy Classes. Front IrDA Port Laptop Connection. Standard Modbus RTU RS485 or DNP 3.0 communications capability.

M91A

Includes Modbus communication card and factory wiring between EPM6000 and Modbus communication card.

M91B

Includes Modbus communication card, Ethernet communication adapter and factory wiring between EPM6000 and Modbus communication card.

Modbus

Modbus RTU Communication Module

Running Time Indicator – Door mounted

Operation Counter – Door Mounted

Engine Start Timer (adjustable to 6 seconds)

Engine Start Timer – Extended time delay (adjustable to

300seconds)

Peak shave/remote load test/area protection – Relay (S.P.D.T.) (Need to specify voltage – 120 VAC, 24 VAC, 24 VDC – 120V default standard)

Inhibit transfer to emergency (Source 2) (load add relay) – Relay (S.P.D.T.) (Need to specify voltage – 120 VAC, 24 VAC,

24VDC – 120V default standard)

Inhibit transfer to normal (Source 1) – Relay (S.P.D.T.) (Need to specify voltage – 120 VAC, 24 VAC, 24 VDC – 120V default standard)

R1-1/R1-3

Over Voltage sensing for normal (Source 1) single (R1-1) or three (R1-3) phase

R15/R15D

Load Shed. Should Source 2 become overloaded, a signal can be given to switch to the Neutral position.

LEHE4651-04

R16

Phase rotation sensing of Normal (Source 1) and Emergency (Source 2)

R26/R26D

Interruptible Power Rate Provisions. Allow transfer out of Source 1 position to Mid position or dead Source 2. Alarm and Pre-Signal circuit included. (Need to specify voltage – 120 VAC, 24 VAC, 24 VDC

R50

In Phase monitor between Normal (Source 1) and Emergency (Source 2) to allow transfer

S5P

Microprocessor activated auto/manual retransfer selector switch for transferring to Normal (Source 1) (includes microprocessor activated YN accessory)

S12P

Microprocessor activated auto/manual retransfer selector switch for transferring to Normal (Source 1) (includes microprocessor activated YN & YE accessory)

S13P

Microprocessor activated commit/no commit on transferring to Emergency (Source 2) (with enable/disable settings)

S14K

Keyed selector switch for retransfer to normal-test-auto

SW1

Auto/Off/Start Engine control selector – Door mounted (keyed or non-keyed operation available)

SW2

Auto/Off Engine control selector – Door mounted (keyed or non-keyed operation available)

SW3

Source Priority Selector Switch – Door mounted. Allows selection of Source 1 or Source 2 to be the Prime Source. Transfer Switch will transfer to selected Prime Source if that Source is available. (keyed or non-keyed operation available)

Retransfer to Normal (Source 1) adjustable time delay

T3/W3

Pre-signal contact on transfer to Normal (Source 1) or Emergency (Source 2) during test

Engine stop /cool adjustable cool down timer

UMD

Pre and post transfer output adjustable time range. Functions in both directions. Includes 2 circuits. (Additional circuits available).

Voltage imbalance between phases (3 Phase only)

Adjustable time delay on transfer to Emergency (Source 2)

YEN

Bypass transfer timers function (soft key switch in microprocessor)