AUTOMATIC TRANSFER SWITCH
CTS SERIES ACCESSORY DEFINITIONS (continued)
LonWorks
LonWorks Communication Module
M1
Single Phase Amp Meter (Analog)
M2
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
N1
Running Time Indicator – Door mounted
N2
Operation Counter – Door Mounted
P1
Engine Start Timer (adjustable to 6 seconds)
P2
Engine Start Timer – Extended time delay (adjustable to
300seconds)
Q2
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)
Q3
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)
Q7
Inhibit transfer to normal (Source 1) – Relay (S.P.D.T.) (Need to specify voltage – 120 VAC, 24 VAC, 24 VDC – 120V default standard)
Over Voltage sensing for normal (Source 1) single
R15/R15D
Load Shed. Should Source 2 become overloaded, a signal can be given to switch to the Neutral position.
6 |
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
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
SW1
Auto/Off/Start Engine control selector – Door mounted (keyed or
SW2
Auto/Off Engine control selector – Door mounted (keyed or
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
T
Retransfer to Normal (Source 1) adjustable time delay
T3/W3
U
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).
VI
Voltage imbalance between phases (3 Phase only)
W
Adjustable time delay on transfer to Emergency (Source 2)
YEN
Bypass transfer timers function (soft key switch in microprocessor)
