Hitachi PRIMAIDE Instruction Manual page 38

+5 V
320 
Primaide 1000 series unit
Fig. A-3 Contact Signal Input Circuit
0.1 A max.
Primaide 1000 series unit
Fig. A-4 Contact Signal Output Circuit
1 (H)
2 (L)
3 (G)
Activated upon shorting contacts of external unit.
1 (H)
30 V max.
2 (L)
3 (G)
APPENDIX - 4
Max. 10 mA
External unit
External unit