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Z enith ZTS Series Accessory De nitions
ZNET901A
Modbus Annunciator
M 1
Single Phase Amp Meter (Analog)
M 2
Three Phase Amp Meter (Analog)
M 90
EPM2200 True RMS Digital Meter with display (Amps, Volts, Power,
Energy, Power Factory and Frequency). 3 Line LED Display. 50/60 Hz
Universal Operation. 1 or 3 phase. Standard Modbus RTU RS485
communications capability. 40 - 1200 Amps.
M 90 A
Adds Pre-Wiring for Enervista Viewpoint Monitoring of M 90
Accessory & ATS Status using Modbus RS485 Serial Communications
M 90 B
Adds Pre-Wiring for Enervista Viewpoint Monitoring of M 90
Accessory & ATS Status using Ethernet TCP/IP Communications
M 91
EPM6000 True RMS Digital Meter with display (Amps, Volts,
Power, Energy, Power Factory 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.
M 91 A
Adds Pre-Wiring for Enervista Viewpoint Monitoring of M 91
Accessory & ATS Status using Modbus RS485 Serial Communications
M 91 B
Adds Pre-Wiring for Enervista Viewpoint Monitoring of M 91
Accessory & ATS Status using Ethernet TCP/IP Communications
MCM
Modbus RTU Communication Module
N 1
Running Time Indicator - Door mounted
N 2
Operation Counter - Door Mounted
P 1
Engine Start Timer (adjustable to 6 sec.)
P 2
Engine Start Timer (adjustable to 300 sec.)
Q 2
Peak shave/remote load test/area protection - Input Relay
(Need to specify voltage - 120 VAC, 24 VAC, 24 VDC - 120V
default standard)
Q 3
Inhibit transfer to emergency (Source 2) Load add Input Relay
(Need to specify voltage - 120 VAC, 24 VAC, 24 VDC - 120V
default standard)
Q 7
Inhibit transfer to normal (Source 1) - Input Relay (Need to
specify voltage - 120 VAC, 24 VAC, 24 VDC - 120V default standard)
R 1-1/ R 1-3
Over Voltage sensing for normal (Source 1) single (R1-1) or
three (R1-3) phase
PB - 5066
•
Page 6
(cont.)
R 15/ R 15 D
Load Shed. Should Source 2 become overloaded, an external
signal can be given to ATS to transfer to the Neutral or dead
Normal (Source 1) position.
R 16
Phase rotation sensing of Normal (Source 1) and Emergency (Source 2)
R 50
In Phase monitor between Normal (Source 1) and Emergency
(Source 2) to allow transfer
S 5 P
Microprocessor programmable auto/manual retransfer selection
for transferring to Normal (Source 1) (includes controller softkey
for YN accessory)
S 12 P
Microprocessor programmable auto/manual transfer selection for
transferring to Normal (Source 1) and Emergency (Source 2)
(includes controller softkey for YN & YE accessory)
S 13 P
Microprocessor activated commit/no commit on transferring to
Emergency (Source 2) (with enable/disable settings)
S 14
Keyed selector switch for retransfer to normal-test-auto
SW 1
Auto/Off/Start Engine control selector - Door mounted
(keyed or non-keyed operation available)
SW 2
Auto/Off Engine control selector - Door mounted
(keyed or non-keyed operation available)
SW 3
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)
T
Retransfer to Normal (Source 1) adjustable time delay
T 3/ W 3
Pre-signal contact on transfer to Normal (Source 1) or
Emergency (Source 2) during test
U
Engine stop /cool adjustable cool down timer
UMD/A62
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/
YER
Bypass transfer timers function (soft key switch in microprocessor)
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