Graphtec America B-503 Logic amplifier, 8 channels per module
Logic amplifier, 8 channels per module
2 x 4-channel terminals Input range 0 to 25 V (single-ended ground) Threshold levels: TTL (+1.4 V), CMOS (+2.5V), Contact point (+5.0 V) 1 us sample interval (1 MHz) - if you use this module in the DM3300-16 mainframe, there must be two of them - one per 8-ch mainframe.