Safety Relay Board (Rc516) - Okura Yusoki A Series Original Instructions Manual

3.5. Safety Relay Board (RC516)

The arrangement of LED's and jumper pins' displays on the safety relay board is as
follows.
Jumper Explanation
No.
I/O Type selection (*1)
JP１A
I/O Type selection (*1)
JP１B
(*1)
JP1A
JP1B
IC7
*RC516B board is supposed to be shipped out being set on Source (default).
*Don't use any IC else instead of the attached to replace IC7（
IC）.
Descriptions
Sink（option）
1-2 close
1-2 close
NPN transistor
array IC
LED8
LED1
Source（default）
2-3 close
2-3 close
PNP transistor array
IC
3-8
LED17
LED9
Default setting
Upto system
Upto system
transistor array