DOIP SD C4 PLUS vs vxdiag Benz C6 vs sdconnect c5 vs BENZ ECOM
| Product name | DOIP SD C4 PLUS | vxdiag Benz C6 | sdconnect c5 | BENZ ECOM |
| Item No. | SP100-E | SP332 | SP311 | SP335 |
| Image |  |  |  |  |
| Manufacture | 1:1 clone of the original | Allscanner Vxdiag | ||
| Mercedes Benz DOIP compatibility | Yes | Yes, with hard disk & dongle | Yes | Yes |
| DTS Monaco & Vediamo | Confirmed working, compatible with the official software. | Only support DTS Monaco, not Vediamo. | Unknown, need lucky. | Unknown, need lucky. |
| Diagnosis | Yes | Yes | Yes | Yes |
| Programming | Yes | Yes | Yes | Yes |
| Works with the old Mercedes | Yes, cover the Benz from 1989 to 2019. sdconnect c4 plus= sdconnect c4 + DOIP | Cover the Benz after 2000 year. | Cover the Benz after 2000 year. | Support xentry,not Das, cover the Benz after 2011 year. |
| Price | € 394 | € 499 | € 963 | € 1,093 |
There are three application scenarios for DolP:
1. Inspection and maintenance of after-sales vehicles
In the repair shop, the external maintenance equipment does not need to use the traditional ALDL port hard-wire to connect, it will establish direct contact with the vehicle through the TCP/IP protocol, and send the reliable request to the vehicle DolP entity according to the order of instructions, and then the module then feeds back the vehicle's real-time error traceability information.
2. Product/factory mode vehicle ECU module refresh
The external refresh device establishes communication with the vehicle internal module IP network after performing security access and module unlocking according to the established refresh process steps through the Ethernet or TCP/IP protocol. The internal network of the vehicle should support the download and write operations of the OP and calibration files transmitted by the external refresh device.
In the product mode, engineering development tools often implement peer-to-peer communication and refresh of the device and module DoIP entities, but in the factory mode, the device is refreshed by the device to perform parallel refresh operations on the entire vehicle.
3. Inspection and repair in the factory mode final assembly inspection station
In the manufacturing process of the factory, the external testing equipment will perform the integrity test of the final inspection station for the vehicles connected to the IP network in the specified order. Different from the after-sales mode, in the factory, external test equipment usually connects and communicates with multiple Dol P entities of multiple modules of the whole vehicle.
How to connect and diagnose?
One single Mercedes vehicle and the external equipment use twisted pair point-to-point communication.
This approach means that the system is not subject to interference from other vehicles or equipment during IP diagnostics, usually use the IP for searching the address or automatic configuration.
Key
1 Ethernet cable
2 external test equipment
3 vehicle
4 logical connection
Connect one single Mercedes vehicle and one single external diagnostic device using wireless network
In this scenario, it means that there may be multiple vehicles or multiple devices in the wireless network. Therefore, both the car and the device should have a discriminating mechanism to identify the objects to be connected under the network and reject the requesting signal from the vehicle or equipment. Of course, both the device and the vehicle itself should have the ability to automatically access an existing IP network. Application scenario like repair shop:
One single device and multiple cars for wireless connection
In this scenario, only external test equipment requires point-to-many connection capabilities (sockets). For example, in a factory, a complete vehicle refresh server needs to refresh multiple vehicles at the same time.
Connect to multiple external devices in a single year, but only allow one channel to be established
The vehicle has the ability to connect to multiple devices, and it is necessary for the vehicle to have the ability to distinguish between diagnostic requests or feedback. For external devices, it is necessary to have the ability to determine whether the current vehicle is communicating with other devices. This can happen in factory mode where a device needs to refresh the module while in another network overlap, while another device needs to be serviced.
Last but not least, please remember DOIP SD C4 PLUS is the best one for DOIP diagnosis and programming at the cheap price.
Technical support from OBDexpress.co.uk
http://blog.obdexpress.co.uk/2019/08/08/doip-sd-c4-plus-vs-vxdiag-benz-c6-vs-sdconnect-c5-vs-benz-ecom/
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