RKG0028 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RKG0028 is an encoder cable from the RKG Encoder Cables series, featuring a cable diameter of 10.0 mm and a cable construction of 3x0.25 plus 3x(2x0.25) StC plus 2x1.0 mm². It is built with a PUR jacket, rated for 300 V operating voltage, and supports up to 5,000,000 bending cycles.
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Product Description:
The RKG0028 encoder cable is produced by Bosch Rexroth Indramat as part of the RKG Encoder Cables series. It links motor-mounted measuring systems to Indramat drive controllers, carrying differential encoder signals and control voltage while withstanding repetitive movement inside machine cable chains. Its mechanical design, paired connectors, and screened conductors make it suited for precision axis control in packaging lines, machining centers, and other automated installations.
Durability is defined by a service life of 5,000,000 bending cycles under continuous flexing. During motion, the cable must be routed to a minimum dynamic loop of 7.5xD, whereas stationary installations may use the tighter 5xD radius. A tough, halogen-free sheath made of PUR (orange RAL 2003) resists oils, weld spatter, and abrasion common in factory environments. The overall outside diameter measures 10.0 mm, a dimension that fits standard drag-chain separators and glands. With a control-side operating voltage rating of 300 V, the insulation system safely supports encoder supply lines and any auxiliary sensor circuits run within the same jacket.
The conductor set follows the INK0280 bulk cable specification, giving the exact internal layout 3x0.25+3x(2x0.25) StC+2x1.0 mm² for balanced pairs and power cores. At the motor end, an M23 17-pin (socket) mates directly with Rexroth encoder flanges, while the controller end terminates in an M23 17-pin (pin) for cabinet receptacles. Individual foil shields around each twisted pair and an overall braid attenuate electromagnetic interference, preserving signal integrity over long runs. Combined with the specified dynamic radius, the strand class and tinned copper conductors ensure low resistance and minimal conductor fatigue across high-speed axes.
Frequently Asked Questions about RKG0028:
Q: How many bending cycles can the Bosch Rexroth Indramat RKG0028 encoder cable handle?
A: The RKG0028 encoder cable is designed to withstand up to 5,000,000 bending cycles for high-flex applications.
Q: What is the cable diameter of the RKG0028 encoder cable from Bosch Rexroth Indramat?
A: This cable has a diameter of 10.0 mm, making it suitable for installations with moderate space requirements.
Q: What connector types are used for both ends of the RKG0028 encoder cable?
A: The RKG0028 uses M23 17-pin connectors with a socket on one end and a pin on the other.
Q: What jacket material and color does the RKG0028 encoder cable feature?
A: The jacket material on the RKG0028 is orange PUR, specified as RAL 2003 for visibility and durability.
Q: What is the maximum operating control voltage for the Bosch Rexroth Indramat RKG0028 encoder cable?
A: The operating voltage for control signals is rated at 300 V on the RKG0028 cable.
