6AV6641-0CA01-0AX0 Siemens SIMATIC OP 77B Operator Panel
The Siemens 6AV6641-0CA01-0AX0 is the SIMATIC Operator Panel OP 77B: a compact, key-operated HMI with a backlit 4.5″ graphics-capable LC display. Siemens describes it as having an MPI/PROFIBUS DP interface up to 12 Mbit/s, a printer/USB interface and a slot for an MMC card, configurable with WinCC flexible 2004 Compact. The panel has been installed widely on machines and plants built around SIMATIC S7 controllers. Atlantech Drives supplies the 6AV6641-0CA01-0AX0 for replacement and maintenance of existing installations.
Display and Operation
- Display: 4.5″ STN LCD, monochrome (black/white), 160 x 64 pixels, graphics-capable
- Backlight: MTBF 100,000 h at 25 °C
- Keypad: membrane keyboard with freely labelable keys
- Function keys: 8, of which 4 have LEDs
- System keys: 23
- Keyboard types: numeric, alphanumeric and hexadecimal input; simultaneous key presses supported
- Touch screen: no; operation is by keys only
6AV6641-0CA01-0AX0 Technical Data
| Specification | Value |
|---|---|
| Product | SIMATIC Operator Panel OP 77B |
| Processor | ARM |
| Operating system | Windows CE (pre-installed) |
| User memory | 1,000 KB (Flash/RAM) |
| Interfaces | 1 x RS 232, 1 x RS 422, 1 x RS 485 (max. 12 Mbit/s), 1 x USB |
| Memory card | Slot for SIMATIC HMI Multi Media Card (MMC) |
| PROFIBUS | Yes |
| Industrial Ethernet / PROFINET | No |
| Power supply | DC, rated current 0.2 A |
| Front protection | IP65; NEMA 4x, NEMA 12 (when installed) |
| Rear protection | IP20 |
| Front dimensions (W x H) | 150 x 186 mm |
| Mounting cut-out (W x H) | 135 x 171 mm |
| Mounting depth | 38.5 mm |
| Weight | 0.5 kg |
| Operating temperature | 0 to 50 °C |
| Storage/transport temperature | -20 to 60 °C |
| Relative humidity (operation) | Max. 90% |
HMI Functionality
| Function | Capacity |
|---|---|
| Configurable screens | 500 |
| Tags per device | 1,000 |
| Alarms (bit and analogue) | 1,000 each; 32 alarm classes |
| Recipes | 100 recipes, 200 data records each, 200 entries per record |
| Recipe memory | 32 KB integrated Flash, expandable |
| Runtime languages | 5 (32 languages per project) |
| User groups / rights | 50 / 32 |
| Text lists | 300 per project |
| Printing | Alarms, shift report, hardcopy |
PLC Connectivity
According to Siemens, the OP 77B connects to SIMATIC S5, S7-200 (PPI, MPI, PROFIBUS DP), S7-300/400 (MPI, PROFIBUS DP), TI 505 and WinAC. It also supports third-party drivers for Allen-Bradley (DF1, DF485), Mitsubishi (FX, MP4), OMRON (LINK/Multilink), Modicon (Modbus) and GE Fanuc (SNP).
Configuration Software
Projects are created with WinCC flexible Compact (from version 2004), WinCC flexible Standard or Advanced, or WinCC Comfort, Advanced or Professional (TIA Portal). Configuration can be transferred via MPI/PROFIBUS DP, serial, USB or external memory media.
Certifications
CE, cULus, FM Class I Division 2 and ATEX Zone 2/22. Marine approvals include Germanischer Lloyd (GL), ABS, Bureau Veritas, DNV, Lloyd’s Register and Class NK.
Ordering Notes: 6AV6641-0CA01-0AX0 and 6AV6641-0CA01-0AX1
The OP 77B is a legacy SIMATIC HMI product. Siemens states that, since 1 January 2015, the 6AV6641-0CA01-0AX1 version is subject to a delivery block as a new part but remains available as a spare part, at a price that may differ from the new-part price. When you request a quote, tell us the exact order number and product version marked on your existing panel. Our commercial team will then confirm the best supply option and lead time.
Related SIMATIC Operator Panels
- 6AV6641-0CA01-0AX1: SIMATIC OP 77B (spare part version)
- 6AV6671-1XA00-0AX0: Service set for OP 73micro, OP 73, OP 77A and OP 77B
Buy the 6AV6641-0CA01-0AX0 Siemens from Atlantech Drives
Atlantech Drives specialises in sourcing Siemens automation parts, including legacy and hard-to-find SIMATIC HMI panels, with fast worldwide shipping. Send us your enquiry for the 6AV6641-0CA01-0AX0, and our experienced commercial team will reply with availability, condition options, pricing and delivery time. Get your quote today.
