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SR 745 to 845 Upgrade
Step 1. Answer the questions below regarding your upgrade needs


Need all 16 logic inputs?
Need Setpoint Access contact input?
Need a mix of wet and dry contact inputs?
Need two RS485 ports?
Need RS485 baud rate 4800bps or lower?
Need RS422 communications?
Need Solid State Output Relay?
If power supply is HI - volt AC, need less than 88VAC?
If power supply is LO - volt, is AC voltage required ?

Step 2. Enter your existing order code

Order Code   
  (Example: 745-W2-P5-G5-HI-A-L-R-T-H)