Signal I/O Module for common slot
$110.00
2 Pole, 4(8×1) or 2(16×1), Form A, Armature, D78
2 Pole, 2(8×1) or 16×1, Type S, 10 and 34 pin headers
2 Pole, 8×2, Type S, 10 and 16 pin headers
Standalone Mainframe Chassis for up to 16 modules with as many as 32 two pole relays per module. Switch modules are priced separately