Used isolator

EMERSON DELTAV KJ3204X1-BK1 DO CARD 32 CH 24 VDC HIGH SIDE 12P4695, SE4002S1T2B6

• Manufacturer: Emerson
• Model: KJ3204

Datasheet Link. KJ3204X1-BK1 Emerson Signal Conditioning Isolation Transmitter PDF Datasheet