AH500 Module Manual The mapping relations between the general I/O module parameters and devices are set in the following four kinds of cases. 1. Select the appropriate parameter value in the pull-down box of the Initial column (Channel 0 input mode: -10 V~+10 V for AH04AD-5A as shown below) 2. Enter the desired parameter value in the Initial column (Channel 1 average time: 15 for AH04AD-5A as shown below) 11-32