Table 20: SNC25151-0x and SNC16121-0x (without display)
Specification
Description
Power requirement
Dedicated nominal 24 VAC, Class 2 power supply (North America), SELV power supply (Europe),
at 50/60 Hz (20 VAC minimum to 30 VAC maximum)
Power consumption
32 VA maximum from main power supply
Note:
The VA rating does not include any power supplied to the peripheral devices
connected to Binary Outputs (BOs) or Configurable Outputs (COs), which can consume
up to 12 VA for each BO or CO, for a possible total consumption of an additional 132 VA
(maximum).
Power source
+15 VDC power source terminals provide 100 mA total current; quantity of inputs: five, located
in Universal Input terminals; for active (3-wire) input devices
SA Bus power
15 V at 240 mA maximum
Operating System
Wind River
®
Linux LTS 17 (LTS=long-term support)
Processor
NXP i.MX6DualLite Processor, 1GHz 32-bit dual core Cortex A9 processor
Memory
16 GB flash nonvolatile memory for operating system, configuration data, and operations data
storage and backup
2 GB SDRAM for operations data dynamic memory
Universal Input (UI)
resolution
Input: 24-bit Analog to Digital converter
Analog Output (AO)
accuracy
Output: +/- 200 mV accuracy in 0–10 VDC applications
Supported
integrations
BACnet/IP, BACnet MS/TP
Network and serial
interfaces
Two Ethernet ports; 1000/100/10 Mbps; 8-pin RJ45 connector
One FC port (RJ12 6-pin port; connects with 1.5 m [4.9 ft] RJ12 field bus cable)
One SA port (RJ12 6-pin port; connects with 1.5 m [4.9 ft] RJ12 field bus cable)
One optically isolated RS-485 port; with a removable 4-pin terminal block
One magnetically isolated FC Bus port; with a removable 4-pin terminal block
One SA Bus port; with a removable 4-pin terminal block
Two USB A ports. All support USB 2.0 and Open Host Controller Interface [Open HCI]
specification.
Transmission speeds
Ethernet communication: 100, or 10 Mbps
Optically isolated, serial communication (FC Bus): 76,800, 38,400, 19,200, 9600, or 1200 bps
(selectable)
Sensor/actuator communication (SA Bus): 38,400 bps
Ambient temperature
conditions
Operating: 0°C to 50°C (32°F to 122°F)
Non-operating: -40°C to 70°C (-40°F to 158°F)
Ambient humidity
conditions
Storage: 5% to 95% RH, 30°C (86°F) maximum dew point conditions
Operating: 0% to 90% RH, 30°C (86°F) maximum dew point conditions
Housing
White Polycarbonate and Acrylonitrile butadiene styrene (ABS) blend
Mounting
On flat surface with screws on three mounting clips or a single 35 mm DIN rail
Dimensions (width x
height x depth)
250 mm x 145 mm x 45.5 mm (9.84 in. x 5.71 in. x 1.79 in.)
Weight
0.65 kg (1.433 lbs)
Compliance
United States:
UL Listed, File E107041, CCN PAZX, UL 916, Energy Management Equipment; FCC
Compliant to CFR47, Part 15, Subpart B, Class A
Canada:
UL Listed, File E107041, CCN PAZX7, CAN/CSA C22.2 No. 205, Signal Equipment;
Industry Canada Compliant, ICES-003
F4-SNC Installation Guide
25