The HMISTU655S is a 3.5inch color touch panel screen designed for Harmony STO & STU systems, featuring a high definition QVGA display and robust communication capabilities.
Product ModelHMISTU655S
Product ID30609
Stock on Request
Last updated: 8/29/2026
Key Features
1
FeatureHigh definition color TFT QVGA screen for clear display
2
FeatureRobust communication features for seamless integration
3
FeatureSimplified installation process for easy setup
4
FeatureIP20, IP65, and NEMA 4X degree of protection for durability
5
FeatureCompliance with RoHS/REACH regulations for environmental sustainability
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
Parameter
Value
Parameter
Value
Range of Product
Harmony STO & STU
Product or Component Type
Touch panel screen
Software Designation
Vijeo Designer
Operating System
Harmony
Processor name
CPU ARM9
Display size
3.5 inch
Display Type
QVGA TFT colour touchscreen
Display colour
65536 colours
Display Resolution
320 x 240 pixels QVGA
Touch panel
Analogue
Backlight lifespan
50000 hours
Brightness
16 levels
Character font
Chinese (simplified Chinese)Japanese (ANK, Kanji)Taiwanese (traditional Chinese)KoreanASCII
[Us] rated supply voltage
24 V DC
Supply
External source
Supply voltage limits
20.4...28.8 V
Inrush current
30 A
Power consumption in W
6.5 W
Number of pages
Limited by internal memory capacity
Processor frequency
333 MHz
Memory description
Application memory 16 MBBack up of data 64 kB
Integrated connection type
1 USB 2.0 type mini B1 USB 2.0 type A COM1 serial link - female RJ45 - RS232C/RS485 <= 115.2 kbits/s) power supply - removable screw terminal block
Realtime clock
Access to the PLC real-time clock
Downloadable protocols
Third party protocolsModbus TCP/IPUni-TEModbus
Fixing mode
à 22 mm hole
Enclosure Material
PC/PBT
marking
CE
Height
3.86 in (98.15 mm)
Width
4.6 in (118 mm)
Depth
2.2 in (55.3 mm)
Net Weight
1.199 lb(US) (0.544 kg)
Immunity to microbreaks
10 ms
Standards
IEC 61000-6-2UL 1604EN 61131-2FCC Class AUL 508
Product Certifications
C-tickcULusMarineUL class 1 Div2 T4A ou T5
Ambient Air Temperature for Operation
32...122 °F (0...50 °C)
Ambient Air Temperature for Storage
-4...140 °F (-20...60 °C)
Relative humidity
0...85 % without condensation
Operating altitude
<= 6561.68 ft (2000 m)
IP degree of protection
IP20 IEC 60529 rear panel)IP65 IEC 60529 front panel)
NEMA degree of protection
NEMA 4X front panel indoor use)
Shock resistance
15 gn 11 msIEC 60068-2-27
Vibration resistance
+/- 3.5 mm 5...9 Hz) IEC 60068-2-61 gn 9...150 Hz) IEC 60068-2-6
Resistance to electromagnetic fields
9.1 V/m (10 V/m) IEC 61000-4-3
HMISTU655S - 3.5inch Color Touch Panel Screen for Harmony STO & STU | INDSLT
