pragmatics - What does 円分 mean after a number?

Is 分 a counter after 円 following a number, e.g. 500円分?

Answer

If I'm understanding naruto's link correctly, the 「５００円分」 here means "worth of 500 yen". From the linked answer:

1日分の食料: a day's worth of food

To put it in context:

会員専用サービス「ピッとGo」をご利用で電子優待券プレゼント！
By using our members-only "beep-and-go" service, you get an electronic complimentary ticket as a present!
免許証情報登録で
By registering your driving license information
ご利用ごとに、何度でも
Every time you use it, any number of times
５００円分（の優待券）
(a ticket) worth of 500 yen