...DeviceNet communications connector Applicable Temperature Controllers EJ1 Series (excluding the EJ1G) TC4: EJ1N-TC4A-QQ and EJ1N-TC4B-QQ TC2: EJ1N-TC2A-QNHB, EJ1N-TC2B-QNHB, EJ1N-TC2A-CNB, an...https://www.ia.omron.com/data_pdf/cat/ej1_ds_e_12_5_csm222.pdf