When a customer is asking for the replacement of the H3DRA, there a few things we need to know.
Does the customer connects only the C1 on the timer. Or does he also connect D1 and B1.
C1 is the start input, B1 is the reset and D1 is the gate.
If the customer is only using the start input C1 we can offer the H3DKM2 or H3DT.
When there is need for a reset (B1) and/or gate (D1) function we can offer the H3CRA plus socket (P2CF11E). Please note this timer is 48*48mm and not 22.5mm like the old one.
The start input on the H3DK is called B1 instead of C1. And also take in consideration that the pulse signal has to come from the same connection as A1 (power supply). This is different from the H3DRA, were it came from the A2 (power supply).
See both terminal arrangements for comparison.
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