Contactor,circuit breaker,sensor,Encoder,PLC,Converter
B&R 4PPC70.0702-20B / 4PPC70.0702-20W
Both belong to the Power Panel C70 series, featuring identical hardware core, interfaces and performance. The only difference is the front panel color: B = Anthracite gray, W = White aluminum. They are fully compatible in electrical pin assignment, cutout dimensions, firmware and application programs and can be directly interchanged.
Model Breakdown
4PPC70.0702-20X
4PPC70: Power Panel C70 integrated touch panel (HMI + Controller)
0702: 7-inch landscape screen, 800×480 WVGA, POWERLINK + X2X Link version
20: Hardware revision code
B = Anthracite gray striped front panel
W = White aluminum striped front panel
Key Specifications (Identical for both models)
CPU: Intel Atom E620T 333MHz
Memory: 256MB DDRAM, 32kB FRAM, 2GB on-board Flash
Display: 7″ WVGA, analog resistive touchscreen, landscape orientation
Interfaces: POWERLINK, 10/100 Mbps Ethernet, X2X Link, 2×USB2.0
Protection rating: IP65 at front panel, IP20 at rear; fanless design
Dimensions: 197×140×51 mm, weight approx. 0.65 kg
Software: Automation Studio ≥4.1.4.375, Runtime K4.08+
Engineering Replacement Notes
- Identical mechanical cutout dimensions; direct in-situ replacement without cabinet cutout modification
- Same electrical wiring, terminal definitions and communication interfaces; no program changes required
- Difference limited to cosmetic front panel color; selection based on cabinet color scheme. The two models are commonly used as mutual spares in projects.
- This is an obsolete legacy C70 series. Only new surplus stock or refurbished spare parts are available on the market.
Selection Quick Reference
4PPC70.0702-20B: Anthracite gray front panel
4PPC70.0702-20W: White aluminum front panel
B&R 4PPC70.0702-20B VS 4PPC70.0702-20W Parameter Comparison Table
Series: Power Panel C70. Both units share identical electrical, hardware and program properties. The only difference is the appearance of the front panel, and direct in-situ interchange is supported.
| Parameter | 4PPC70.0702-20B | 4PPC70.0702-20W |
| Full Product Name | Power Panel C70 7-inch Landscape Integrated HMI Controller | Power Panel C70 7-inch Landscape Integrated HMI Controller |
| Front Panel Appearance | Anthracite gray striped aluminum panel | White aluminum striped panel |
| CPU | Intel Atom E620T 333MHz | Intel Atom E620T 333MHz |
| Memory | 256MB DDRAM, 32kB FRAM, 2GB on-board Flash | 256MB DDRAM, 32kB FRAM, 2GB on-board Flash |
| Display | 7-inch landscape, 800×480 WVGA TFT | 7-inch landscape, 800×480 WVGA TFT |
| Touch Type | Analog resistive touchscreen | Analog resistive touchscreen |
| Communication Interfaces | 1×POWERLINK, 1×10/100M Ethernet, 1×X2X Link, 2×USB2.0 | 1×POWERLINK, 1×10/100M Ethernet, 1×X2X Link, 2×USB2.0 |
| Cooling | Fanless | Fanless |
| Protection Rating | IP65 at front panel, IP20 at rear | IP65 at front panel, IP20 at rear |
| Overall Dimensions | 197 × 140 × 51 mm | 197 × 140 × 51 mm |
| Weight | Approx. 0.65 kg | Approx. 0.65 kg |
| Power Supply | 24VDC | 24VDC |
| Software Requirement | Automation Studio ≥4.1.4.375, Runtime K4.08+ | Automation Studio ≥4.1.4.375, Runtime K4.08+ |
| Mechanical Cutout Dimension | Identical for direct replacement | Identical for direct replacement |
| Terminal / Electrical Pin Definition | Fully identical | Fully identical |
| Firmware & Program Compatibility | Fully compatible; no program modification required | Fully compatible; no program modification required |
| Product Status | Obsolete spare part; only surplus stock or refurbished units available | Obsolete spare part; only surplus stock or refurbished units available |
Supplementary Notes
The suffix B / W only indicates the coating color of the front panel. The mainboard, display, power supply and communication circuits are exactly the same with no performance difference.
Engineering Replacement: Direct swap is feasible. No cabinet cutout modification, wiring change or project program adjustment needed. The two models are commonly used as mutual spare parts in projects.
