Figure 2.12 Remote "Start" Contact Connections - Mitsubishi Electric 9900B Series Owner Technical Manual

MITSUBISHI
ELECTRIC
CAUTION:
Do not apply voltages to remote access input terminals.
Damage to UPS may result.
Refer to Figure 2.12 for a typical wiring configuration. Although this figure applies to the
remote start/stop terminals, the same wiring arrangement is used for emergency stop,
power demand, and battery temperature high.

Figure 2.12 Remote "Start" Contact Connections

UPS Cabinet
Relay Coil current : 8.3mA
Details of input contacts for remote access: TN1
Terminals 7 to 8 Remote "Inverter Start" input terminal (IN1)
Used to start inverter from a remote location. UPS must be programmed for
remote operation. Refer to Operations Menu for procedure.
Terminals 9 to 10 Remote "Inverter Stop" input terminal (IN2)
Used to stop inverter from a remote location. UPS must be programmed for
remote operation. Refer to Operations Menu for procedure.
Terminals 11 to 12 "Battery Temp. High" contact input (IN3)
Input fed by a thermocouple that monitors battery temperature. The converter
float voltage level is reduced for battery over-temperature conditions. External
thermocouple is user supplied.
Terminals 13 to 14 "Power Demand" Command contact input (IN4)
Used to control the input power. Power demand is turned ON when the contact
is closed, and power demand is turned OFF when the contact is open.
Terminals 15 to 16 "Remote EPO" contact input
Used to perform a remote UPS Emergency Power Off (EPO).
The load will be dropped.
MITSUBISHI ELECTRIC 9900B SERIES UPS
9900B SERIES UPS
OWNERS / TECHNICAL MANUAL
Relay
Coil
24 VDC
External to
UPS Cabinet
Start
Common
Use Momentary
Switches Only
User supplied
Page Number:
2-13
Start
Switch
0.5s – 4s
ON
OFF