X2 Terminal Block - "Epo - Emergency Power Off; X1 Terminal Block - Gen Set Signaling (Gen On) - ABB MegaFlex 1000 UL S1 Installation Manual

51/54
5.2.4 X2 terminal block – "EPO - Emergency Power Off"
Note!
If an emergency button EPO (Emergency Power Off) is installed, the use of the XA terminals is
mandatory (see Section 4.11.4).
4
3
2
1
15
13 14
12
Fig. 5.2.4-1 X2 terminals in the Customer Interface
Note!
To activate the connection of an emergency button "EPO - Emergency Power Off" on the terminals
XA / EPO-1, EPO-2, performed on each card "P4 – Customer Interface" the following operation:
- Remove the cable short-circuiting terminals X2 / 1, 2 (see Fig. 5.2-4-1).
- Remove the Jumper JP2 (see Fig. 5.2-4-2).

5.2.5 X1 terminal block - Gen Set Signaling (GEN ON)

If an emergency generator set supplies the UPS in case of Utility Failure and the generator is considerably
unstable in frequency, it should be suitable to install the signal "GENERATOR ON" on X1 / 11, 22.
See Fig. 5.2-1 / X1.
Since the Parameter for of the reading of the Generator function is "Service Code" protected, call the nearest ABB
Service Centre for it's activation.
When this contact closes, it changes certain (programmable) functions such as:
· Enabling or disabling of synchronization and consequently the Load transfer to generator.
· Reduction or elimination or delay of Battery recharging during the generator operation.
Additionally, when the "GENERATOR ON" input contact is closed, the UPS will inhibit eBoost™ Operation Mode
and revert to double-conversion operation.
It is advised to contact your ABB Service Center for further details.
In a Parallel System a separate NO (Normally Open) contact must be connected to each
individual unit.
2
1
11
10
8 9
7
6
5
21 22
20
19
17 18
16
X2
MegaFlex 1000 to 1600 UPS Installation Guide / REV-A
X1
IM0171
X2
J1
CUSTOMER INTERFACE
Fig. 5.2.4-2 Jumper JP2 on the Customer Interface
X1
X2
JP2
J1
JP2