We are using your drive model no 1D9001 as a final element in a SIL 1 SIF conforming to IEC 61511.We are using the standard stop circuit to stop the motor/pump.Please can you provide the following information to enable us to complete our assessment.a)Details of the dominant failure mode of the stop circuit in its function of stopping the motor/pump.b)Probability of failure on demand figures for the equipment or failure figures and safe failure fractionc)Information on operating experience and in particular problems relating to the correct functioning of the stop circuit.
If you need your Heenan Drives Ltd. unit tested or repaired,
give us a call at 1-336-969-0110.
We offer fair estimates and extended warranties on the work performed.
Shipping/Receiving:
Industrial Electronic Repair
145 Rockwell Place Ct
Tobaccoville, NC 27050
Phone: 1-336-969-0110
Industrial Electronic Repair
145 Rockwell Place Ct
Tobaccoville, NC 27050
🚑 Rush repair shipments only — no walk-ins.
Industrial Electronic Repair
931-E S. Main St #204
Kernersville, NC 27284
📦 Mailing Address (for invoices or shipped repairs)
No walk-ins accepted.