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915U-2 Datasheet, PDF (2/3 Pages) Cooper Bussmann, Inc. – 915U-2 Wireless Mesh Networking I/O and Gateway
Technical Data TD032016EN
Effective January 2014
915U-2 Wireless Mesh Networking I/O and Gateway


Specifications (continued)
SPECIFICATION
DESCRIPTION
Input and Output
Discrete input
8 digital I/O (1–4 configurable as PI or PO)
On-state voltage: <2.1 Vdc
Wetting current: 5 mA
Max. I/P pulse rate–DI 1/2: 50 kHz, DI 3/4: 1 kHz
Max. I/P pulse width–DI 1/2: 10 μs, PI 3/4: 0.2 ms
Discrete output
8 digital I/O (1–4 configurable as PI or PO)
On-state voltage–DO max.: 30 Vdc
Wetting current–DO max.: 200 mA
Max O/P pulse rate–PO max. rate: 1 kHz
Analog inputs
4 AI (2 differential, 2 single ended)
Current range: 0–24 mA
Current resolution: 14 bits
Accuracy (current): 0.1%
Voltage input range: AI 1/2: 0–25V, AI 3/4: 0–5V
Voltage resolution: 14 bits
Accuracy (voltage): 0.1%
Analog output
2 AO (sourcing)
Current range: 0–24 mA
Current resolution: 13 bits
Accuracy (current): 0.1%
Ethernet Port
Ethernet port
10/100Base‑T, RJ‑45 connector, IEEE 802.3
Link activity
Link, 100Base‑T via LED
Serial Port
RS-232
EIA-562 (R‑45 connector)
RS-485
2-pin terminal block, non-isolated f
Data rate (bps)
1200, 2400, 4800, 9600, 14400, 19200, 38400, 57600, 76800,
115200, 230400
Serial settings
7/8 data bits, stop/start/parity (configurable)
Protocols and Configuration
System address
ESSID, 1 to 31‑character text string
Protocols supported TCP/IP, UDP, HTTP, FTP, TFTP, TELNET, Modbus, Modbus TCP
User configuration All user‑configurable parameters via HTTPS
Configurable
parameters
Unit details, I/O mappings and parameters, radio settings (for
more information, refer to the user manual)
Modbus TCP/ RTU gateway
Embedded Modbus master/slave for I/O transfer
Security
Data encryption, 128-bit AES, secure HTTP protocol
LED Indication and Diagnostics
LED indication
Power/OK, TX/RX, RS‑232, RS‑485, digital I/O, analog I/O status
Reported diagnostics RSSI measurements (dBm), connectivity information/statistics,
system log file
Network management Optional network management system
Compliance
EMC
FCC Part 15; EN 301 489; AS 3548
RF (radio)
FCC Part 15.247; EN 300 220; AS 4268.2; RFS29 NZ
Hazardous area
UL/CSA Class I, Division 2; ATEX; IECEx Na IIC
Safety
IEC 60950 (RoHS compliant)
UL
UL listed
General
Size
5.91" x 7.09" x 1.38" (180 mm x 150 mm x 35 mm)
Housing
IP20 rated high‑density thermoplastic
Mounting
DIN rail
Terminal blocks
Removable, max. conductor 12 AWG 0.1 in.2 (2.5 mm2)
Temperature rating –40 to +140°F (–40 to +60°C)
Humidity rating
0–99% RH noncondensing
Weight
1.1lb (0.5 kg)
SPECIFICATION
DESCRIPTION
Power Supply
Nominal supply
10.8–30 Vdc, under/over voltage protection
Average current draw 220 mA @ 12V (idle), 110 mA @ 24V (idle)
Transmit current draw 500 mA @ 12V (1W), 250 mA @ 24V (1W)
NNote: Specifications are subject to change.
a Country‑specific configuration (specified at
time of order)
b 900 MHz ISM band
c 869 MHz ISM band (Europe)
d 18 channels New Zealand
e Typical maximum line‑of‑sight range
f Maximum distance 3937' (1200m)
g Optional, see 915U-TCP datasheet
Accessories
PRODUCT CODE DESCRIPTION
DATA SHEET
Soft Feature Keys
915U-TCP
Modbus TCP/RTU gateway feature key
TD032089EN
915U-LOG
Data logging feature key
TD032090EN
Interface
915U-TCADP
T‑type TCP thermocouple adapter, uses two TD032088EN
analog inputs and two analog outputs
Antennas - 900 MHz
DG800-1/5
DG900-1/5
Whip antenna, SMA male, angle bracket,
TD032046EN
–2 dBi gain, 3' (1m) or 16.4' (5m) coaxial cable TD032047EN
CFD890EL
Dipole antenna, SMA male, mounting bracket, TD032048EN
2 dBi gain, 16' (5m) coaxial cable
SG900EL
Collinear antenna, N-type female, 5 dBi gain TD032049EN
SG900-6
Collinear antenna, N-type female, 8 dBi gain TD032050EN
Cables
ETH-C5A
Ethernet cable, 6' (1.8m), straight through,
RJ‑45 to RJ‑45
TD032024EN
SER-RJ45
Configuration cable, RS‑232 serial, DB‑9
remale to RJ‑45
TD032027EN
Surge Diverters
CSD-SMA-2500 SMA surge diverter for use with CC10/CC20‑SMA TD032030EN
CSD-N-6000
Coaxial surge diverter, bulkhead N female to TD032031EN
N female
MA15D1SI/D2SI Power supply surge diverter, 110 Vac/15A or TD032029EN
240 Vac/15A
IOP32D
Signal surge diverter, 2 x 2-wire/1 x 4-wire TD032032EN
Power Supplies
PS-DINAC-12DC-OK DIN rail power supply, 100–250 Vac, 12 Vdc/2.5A TD032033EN
PSG60E
DIN rail power supply, 85–264 Vac, 24 Vdc/2.5A TD032034EN
NNotes: More accessories are available for this product including antennas,
cables, and mounting brackets. Refer to our Website for details.
Ordering
PRODUCT CODE
915U-2
915U-2
915U-2
915U-2XM
915U-2XM
915U-2XM
DESCRIPTION
FREQUENCY
Wireless mesh I/O
902–928 MHz
Wireless mesh I/O
869.525 MHz
Wireless mesh I/O
869.875 MHz
Wireless mesh I/O
902–928 MHz
+ 500 MB flash memory a
Wireless mesh I/O
869.525 MHz
+ 500 MB flash memory a
Wireless mesh I/O
869.875 MHz
+ 500 MB flash memory a
RF POWER
1W
500 mW
5 mW
1W
500 mW
5 mW
NNote: Available RF power and frequency may vary depending on country of
application.
a Additional memory for logging of data and administration events
2
EATON www.eaton.com/wireless