Figure 49 Optional Input Contact Isolator Board; Table 1 Input Contact Isolator Board Pre-Assigned Values; Table 2 Input Contact Isolator Board Control Wiring Connections; Table 3 Table - Emerson Liebert NXL 250 kVA Operation And Maintenance Manual

• Assignment—Custom, Pre-assigned (default: "Input Contact" XY)
• Delay, sec—0 to 99.9 (default: 0)
• Message—Custom: 0-19 characters
3. To assign labels for each channel:
a. Press Pre-assigned for default labels on Channels 1-6 (See Table 1)
b. For Custom labels
1. Press Custom to unique labels.
2. Click on Input Contact XX button. A keyboard is displayed to allow naming alarms.
3. Enter the name of the alarm set for that input. For example, a fan problem could be
indicated by naming the button FAN.
4. Press OK on the keyboard to keep your label.
4. Press DELAY.
a. A keypad is displayed prompting you for a delay time, in seconds, for a condition to exist
before the alarm is triggered.
b. Enter the delay value. The range for the values are from 0 (zero) to 99.9 seconds.
c. Press OK on the keypad to keep your setting. The value you entered is displayed in the field
adjacent to the corresponding input contact.
5. Repeat Steps 3 and 4 for each input contact.
6. Press SAVE after you have configured all input contacts.
Be sure to press Save even if you have accessed this dialog only to change a setting.
7. This information is not saved if control power is removed.
Table 1 Input Contact Isolator Board pre-assigned values
Channel
Number Pre-Assigned Label
1 Reduced Rect ILimit
2 Reduced Batt ILimit
3 Stop Battery Charge
4 Inhibit Rect Restrt
5 Inhibit Byp Restrt
6 Inhibit Inv Restrt
7 Input Trap Filter Disconnect
8 Suspend ECO Mode

Figure 49 Optional Input Contact Isolator Board

1. Customer control wiring connection points are terminals 1 through 16 (see
Table 2).
2. Customer provided normally open dry contacts for user alarm messages.
3. All control wiring (by others) must be run separate from power wiring.
Control wiring runs should not be combined in the same conduit.
4. Signal voltage: 100mA @ 12VDC.
5. Maximum cable length 500 ft. (152m) with #16AWG and flexible stranded
cable.
6. All wiring must be in accordance with national and local electrical codes.
® ™
Liebert NXL
ICI #1
Pre-Assigned Label
Stop Battery Charge
Stop Battery Charge
Stop Battery Charge
Stop Battery Charge
Stop Battery Charge
Stop Battery Charge
Inhibit IP Standby
No Customer Connection
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
ICI #2
Table 2
J51
56
Options
Input Contact Isolator Board
control wiring connections
Input Contact Pin No.
1
1
2
3
2
4
5
3
6
7
4
8
9
5
10
11
6
12
13
7
14
15
8
16