RKG0030 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKG0030 is part of the RKG Encoder Cables series and features a PUR jacket with a nominal outer diameter of 10.0 mm. This cable uses INK0280 bulk cable type, is suitable for drag chain applications, and offers 5 million bending cycles. It comes with a D-Sub 15 socket controller-end connector and ferrule terminations on the encoder end.
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Product Description:
The RKG0030 encoder cable is manufactured by Bosch Rexroth Indramat for the RKG Encoder Cables series. It serves as the transmission path between a motor-mounted encoder and the drive controller in automated machinery, carrying differential feedback signals and low-voltage supply conductors. The assembly is intended for applications that demand frequent motion, compact cable routing, and reliable, noise-resistant data transfer in dynamic industrial environments.
Its mechanical fatigue rating reaches 5,000,000 bending cycles, indicating the number of flex movements the sheath and conductors can endure before wear becomes critical. During motion, the cable may be curved to a minimum dynamic radius of 7.5 × D, while static installations permit a tighter minimum bend radius of 5 × D. These limits help with carrier tray sizing and prevent excessive conductor strain. The outer jacket is molded from PUR, a polyurethane compound that resists cutting oils, weld spatter, and abrasion. With a nominal diameter of 10.0 mm, the cable fits standard drag-chain separators without overfilling the channel, and its orange RAL 2003 surface improves visibility in machinery bays.
The conductor set follows the INK0280 bulk cable design, combining three twisted and shielded signal pairs with dedicated sensor returns and a pair of 1.0 mm² supply cores for encoder power. On the controller side, a 15-pin D-Sub socket (INS0761/L01) provides a compatible connection to Rexroth drive units. The encoder end is prepared with ferrules (AEH), allowing the leads to be inserted into spring-clamp terminal blocks without soldering. The cable supports drag-chain operation, and its shielding arrangement maintains signal integrity as the chain accelerates and reverses during frequent motion. The conductor layout separates encoder power from the differential signal paths, helping reduce electrical interference within the cable. This arrangement supports stable feedback transmission when the cable is routed near motor power wiring or other sources of electromagnetic noise.
