PST610E.101-L Bosch Rexroth Indramat
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MPN: R911335600
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The Bosch Rexroth Indramat PST610E.101-L is a thyristor power unit from the PST Thyristor Power Units series. It features a nominal current of 130 Arms and a transformer power rating of 95 kVA, with air cooling and a protection rating of IP20. The device offers 16 discrete inputs and 12 discrete outputs, with a programming interface of V24 / RS232 and overvoltage protection provided by an MOV.
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Product Description:
The PST610E.101-L is a two-phase thyristor power unit built by Bosch Rexroth Indramat and assigned to the PST Thyristor Power Units series. In an automation cell, it modulates line voltage to resistive or inductive loads, allowing proportional power control that conventional contactors cannot achieve. The internal design combines phase-angle firing with feedback logic so that furnace zones, drying tunnels, or similar equipment receive consistent thermal energy under varying line conditions. That operating method helps maintain smoother process heating than simple on/off switching, especially when load response changes during startup or batch transitions.
The power stage carries a nominal current of 130 Arms and is supported by a transformer rated at 95 kVA, giving the unit enough headroom for high-energy heat sections. Continuous operation is limited to a 50% duty cycle to keep silicon junction temperatures within safe limits, and excess heat is removed by air cooling, which simplifies enclosure layout. For short test pulses or alarm horns, the output terminals can source up to 1 A of discrete current, coordinated by 16 digital inputs and 12 digital outputs on an opto-isolated backplane. The 2-phase thyristor topology uses screw lugs sized for 50 mm² conductors, allowing short, low-impedance links to the bus bars. This arrangement lets the unit coordinate firing control, status signaling, and interlocks within the same cabinet assembly.
Configuration data resides in buffered RAM sustained by a 3.6 V AA lithium battery, and parameters are edited through a V24/RS232 port that supports point-to-point links with a laptop or HMI. The serial connection allows direct access to operating values and stored settings without requiring a network gateway. Control electronics are powered from a dedicated 24 VDC supply, keeping gate triggers and diagnostic LEDs stable during line voltage dips. The housing carries an IP20 protection rating, so the unit must be mounted inside a control cabinet. MOV surge arrestors and full isolation between logic and load help protect the control section during industrial heating operation.
Frequently Asked Questions about PST610E.101-L:
Q: What is the maximum output current provided by the PST610E.101-L unit?
A: The PST610E.101-L has a maximum output current of 1 A for its discrete outputs to connected devices.
Q: What type of overvoltage protection does the PST610E.101-L include?
A: This model features MOV-based overvoltage protection to help safeguard internal circuits.
Q: What is the logic supply voltage requirement for the PST610E.101-L?
A: The logic supply for the PST610E.101-L is 24 VDC, which powers its control circuits.
Q: How many discrete inputs are available on the PST610E.101-L unit?
A: There are 16 discrete inputs available on the PST610E.101-L, allowing flexible integration with automation systems.
Q: What is the transformer power rating for the PST610E.101-L?
A: Transformer power for the PST610E.101-L is rated at 95 kVA, providing substantial capacity for demanding applications.
