Alpha Technologies Continuity: 1000_2000_3000 - Manual (Page 37)

35 0170009-J0 Rev B
7. Optional Communication Cards
All of the following cards can be installed in the optional slot:
• R2E (2nd RS-232 ) card
• USB card
• DCE (Dry Contact) card
• SNMP cards
7.1 R2E (2nd RS-232 ) card
CN1 is for RS232 DB9.
For communication protocol, refer to 3.8 on page 15.
7.2 USB card
CN1 is for USB.
7.3 DCE (Dry Contact) card
The pin assignments of 10-Pin Terminal
1 2 3 4 5 6 7 8 9 10
Pin Function
1 UPS on Bypass mode (Bypass)
2 Utility Normal (Normally close contact)
3 Utility Normal (Normally open contact)
4 Inverter On
5 Battery Low
6 Battery Bad or abnormal
7 UPS Alarm
8 Common
9 Shutdown UPS positive(+) signal
10 Shutdown UPS negative(-) signal
The shutdown function is activated, after +6 to +25 VDC is put between pin 9 and pin 10 for 5 seconds.
The capacity of each relay contact is 40VDC/25mA.
Flexible signal output for NC (normally closed) or NO (normally open) contact by shorting pin 1 to 2, or
pin 2 to 3 from JP1-5.
The shutdown function is enabled 1 minute after blackout occurs if pin 1 to 2 of both CN1 and CN6 are
shorted. Or, the shutdown function can only be enabled by pin9-10 of CN3 if pin2-3 of both CN1 and
CN6 are shorted.
7.4 SNMP Cards
7.4.1 SNMP/WEB card
For installation, refer to the user’s manual that comes with the card.