Mitsubishi 9800A Series technical manual Terminals 7 to 8 Power Demand Command contact input IN4

MITSUBISHI

ELECTRIC

9800A SERIES UPS

OWNERS / TECHNICAL MANUAL

Page Number:

2-12

Terminals 7 to 8 "Power Demand Command" contact input (IN4)

This contact is 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 9 to 18 "Spare" contact input (IN5 through IN9)

Terminals 19 to 20 "Remote EPO" contact input

Used to perform a remote UPS Emergency Power Off (EPO).

The load will be dropped.

NOTE: The UPS is equipped with a selectable output contact item. The above items are the default settings. Contact MITSUBISHI ELECTRIC AUTOMATION, INC. for setup information.

NOTE : In all cases, a switch having a protective cover is recommended in order to reduce the possibility of accidental operation.

2.5External communication connector

This is an RS232C port for “DiamondLink”* monitoring software. The layout of connector is shown in Figure 2.18.

FIGURE 2.18 External communication connector (NEC Class2)

	D-SUB 9Pin (male)
6	1
	2
7
	3
8
	4
9
	5
	PCB IOAU-04

Pin 1.	: Not used
Pin 2. RXD	: Receive data
Pin 3. TXD	: Transmit data
Pin 4.	: Not used
Pin 5. GND	: Signal ground
Pin 6.	: Not used
Pin 7.	: Not used
Pin 8.	: Not used
Pin 9.	: Not used

*Consult MITSUBISHI ELECTRIC AUTOMATION, INC. for details on “ DiamondLink ” monitoring software and its capabilities.

MITSUBISHI ELECTRIC 9800A SERIES UPS