Motor terminals a1 a2 s1 s2 on a series 48v ds

[squerly]

Originally Posted by Volt_Ampere

Wrong assumption. Current has to flow through both the armature (A) and field (S or F) to generate torque. Reversing the flow in one or the other will reverse the direction of rotation.

Which one(s) are positive/negative? Or am I assuming incorrectly again?

[von@aircaretoday.com]

Originally Posted by sonicj

wow! im pretty sure the OP wasn't looking for a dissertation on motor theory...


anywho, the switch reverses the flow of current to either the armature or the field. the block diagrams below show the reversal of current flow through the field.
-sj

Perfect, thanks