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Features
BAS-3512
BAS-3520
12-ch Web-enabled DDC Controller
20-ch Web-enabled DDC Controller
Specifications
General
Dimension (W x H x D) 176 x 120 x 44 mm
Enclosure
ABS + PC
Power Input
24 VDC/24 VAC
Power Consumption
10 W @ 24 VDC
Real-time Clock
Yes
Watchdog Timer
Yes
I/O Isolation Protection 3,000 VDC
Hardware
CPU
32-bit CPU 312 MHz
Flash Memory
32 MB
RAM
64 MB SDRAM
Battery backup SRAM 512 KB
Communication
LAN
1 x 10/100Base-T (RJ-45)
RS-485
1 (isolated)
Communication Protocol Modbus/TCP, Modbus/RTU
Universal Input (BAS-3520 only)
Channels
4
Resolution
16-bit
Sample Rate
10 Hz (Total)
Accuracy
±0.1% of FSR (Voltage, Current)
Type and Range
Analog Input
0 ~ 10 V, 0 ~ 20 mA, 4 ~ 20 mA, Pt-100 RTD,
Pt-1000 RTD, Thermistor (3 k, 10 k)
Digital Input
Logic High: Close
(Dry Contact)
Logic Low: Open
Over Voltage Protection ±35 V
Span Drift
±25 ppm/° C
Zero Drift
±6 μV/° C
Analog Output (BAS-3520 only)
Channels
4
Resolution
12-bit
Accuracy
±0.1% of FSR
Range
0 ~ 10 V, 0 ~ 20 mA, 4 ~ 20 mA
Digital Input
Channels
8
Dry Contact
Logic High: Close
Logic Low: Open
Supports 1 kHz Counter Input (2 channels)
Supports 1 kHz Frequency Input (2 channels)
Digital Output
Channels
4 (Source Type)
Vcc: 10 ~ 35 VDC, Current: 1 A (per channel)
PWM output (2 channels)
Minimum Period
1 second (for PWM output)
Minimum Pulse Width
0.1 second (for PWM output)
LCM Operation Unit (Optional)
2 line x 8 char, backlit LCD
5 button keypad
Hot swap capable
Environment
Operating Temperature -10 ~ 60° C
Storage Temperature
-20 ~ 80° C
Operating Humidity
20 ~ 95% (Non-condensing)
Storage Humidity
0 ~ 95% (Non-condensing)
Ordering Information
BAS-3512-AE
12-ch Web-enabled DDC Controller
BAS-3520-AE
20-ch Web-enabled DDC Controller
BAS-3595-AE
LCM operation unit (Optional)
Standalone programmable controller
BASPro programming software provides BA domain function (scheduler,
HVAC calculation, sequence…)
Auto-tuning PID control
Calendar schedule control
Alarm and event notifications
Provides RS-485 to connect with remote I/O devices
Up to 3 local I/O expansion modules
Remote programming and maintenance through Ethernet
LCM display (optional)
Introduction
BAS-3512/3520 is a standalone programmable controller specially designed for building automation applications. Designed as a typical DDC (Direct Digital Controller), BAS-3512/3520
delivers various of onboard I/O including universal input, analog output, digital input and digital output, providing flexible options to satisfy versatile application requirements. It also
features powerful BASPro programming tool for engineers to quickly develop their application. BASPro delivers many function blocks suitable for BA application, such as scheduler,
HVAC calculation, sequential control, PID control, alarm, and event. Its compact size makes it an ideal solution to fulfill BA installation environment. The I/O expansion modules
(BAS-3018, BAS-3024, BAS-3050 and BAS-3051) provide more I/O points and make the system a scalable solution.
BAS-3512
BAS-3520
NEW
RoHS
COMPLIANT
2002/95/EC
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