Digital Counter (DIN 72 72) H7AN CSM H7AN DS E 4 1 A DIN 72 x 72 mm Best-selling Counter Easy setting with thumbwheel switches. A draw-out construction enables maintenance without rewiring. Models with 2-, 4-, 6-, or 8-digit displays are also available. Total Counter models are also Available. Complies with UL and CSA Marking. Refer to Safety Precautions for All Counters and Safety Precautions on page 17. This product was upgraded in January 2006. Refer to Changes in Specifications on page 18 for details. For the most recent information on models that have been certified for safety standards, refer to your OMRON website. 1H7AN Ordering Information Each model is sold together with a mounting bracket. Preset Counter Incrementing (Up) or decrementing Reversible counter (Up/Down) (Down) counter (not reversible) One stage Two stages One stage Two stages With digital With digital With digital With digital display display display display Backup No. of Backup No. of function digits function digits No H7AN-E2D --- No H7AN-2D --- 2 2 Yes H7AN-E2DM --- Yes H7AN-2DM --- No H7AN-E4D H7AN-WE4D No H7AN-4D H7AN-W4D 4 4 Yes --- H7AN-WE4DM Yes H7AN-4DM H7AN-W4DM Incrementing (Up), decrementing (Down), or reversible (Up/Down) counter One stage Two stages With digital With digital display display No. of Backup function digits No H7AN-R6D H7AN-RW6D 6 Yes H7AN-R6DM H7AN-RW6DM No H7AN-R8D --- 8 Yes H7AN-R8DM --- Totalizing Counter Incrementing (Up) or decrementing Reversible counter Reversible counter (Down) counter (not reversible) (Up/Down) (Up/Down) No. of Backup No. of Backup digits digits function function No H7AN-RT6 No H7AN-T4 H7AN-ET4 4 6 Yes H7AN-T4M H7AN-ET4M Yes H7AN-RT6M No --- 8 Yes H7AN-RT8M Note: Specify the power supply voltage when ordering. 2