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Table 11: NIE LED Designations, Normal Status, and Descriptions
LED Designation
RUN (Green)
BAT FAULT (Red)
FAULT (Red)
Repair Information
If you replace an NIE on a site with a new NIE for any reason or add a new NIE to a site, you must update the site
registration to ensure that the new NIE is recognized and able to communicate in the site.
Note: Batteries removed from this device must be recycled or disposed of in accordance with local, national, and
regional regulations. Only certified technicians or qualified building maintenance personnel should service
Johnson Controls® products.
NIE Ordering Information
Table 12: NIE39 Ordering Information
Product Code Number
MS-NIE39xx-x (Base Features of
Each NIE39)
MS-NIE3910-2
MS-NIE3920-2
1
For repair parts, add -702 after the code number.
2
Modbus RTU (RS-485) requires an RS-232/RS-485 converter. See .
3
M-Bus protocol requires the addition of an external level converter. See .
4
KNX protocol requires addition of the KNX IP gateway. See .
NIE39/NIE49 Installation Instructions
Normal Status
On Steady
Off Steady
Off Steady
1
Description
Each NIE39 Series model requires a 24 VAC power supply. Each model includes two
RS-232-C serial ports, one USB serial port, one RS-485 or LON port, one Ethernet port,
and an MS-BAT1020-0 Data Protection Battery. Up to two ports can be defined for third-party
integration. The other ports have to be defined in order to use standard protocols (N2,
BACnet MS/TP, or LON). Supports BACnet IP network.
Supports two third-party trunks (Modbus RTU
or one BACnet MS/TP (RS-485) trunk. The number of supported devices on the third-party
trunk depends on the protocol. For the N2 Bus or BACnet MS/TP trunk, up to 50 devices
are supported.
Supports two third-party trunks (Modbus RTU
trunk. The number of supported devices on the third-party trunk depends on the protocol.
For the L
W
ON
ORKS
Descriptions/Other Conditions
On Steady = NIE software is running. On 1 second, Off 1
second = NIE software is in startup mode. On 0.5 seconds, Off
0.5 seconds = NIE software is shutting down.Off Steady =
Operating system is shutting down or software is not running.
On Steady = Battery defective. Flicker = Data Protection Battery
is not installed. Connect or install battery.
On Steady = General Fault. Fault conditions are user
configurable in software. Pre-configured fault conditions include
excessive CPU flash or memory use, excessive printed wire
board (PWB) temperature.
trunk, up to 64 devices are supported.
2
3
or TCP, M-Bus
, or KNX
2
3
4
or TCP, M-Bus
, or KNX
4
) and one N2 Bus
) and one L
W
ON
ORKS
18
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