Mesa 7I47 Servo Card (X Y Z A Spindle) Motor Power   X   Y   Z   A Spindle A-0 A-1 A-2 A-3 A-4 J1 Pin Aux Signal Input P4-20 P4-24 P3-20 P3-24 P2-20 2 Standard Signal Input 3 Tach Input Tach P4-19 P4-23 P3-19 P3-23 P2-19 4 Signal Common for 1, 2 & 3 Tach 5 Output Current Montor 6&7 LS Overtravel Normally Open 8 Remote Shutdown 9 Supply Ground 10 (+15V) DC 50 MA for ext use. 11 Power Supply Common 12 (- 15V) DC 50 MA for ext use. 13 Remote Reset 14&15 LS Overtravel Normally Closed J2 Differential input 1 Inverting Signal 2 Non Inverting Signal J3 1&2 Gain reduction 1&3 External Current Limit J4 1 (+15) V Bias Power Supply +15 Volts 2 Common 0 Volts 3 (-15) V Bias Power Supply -15 Volts J5 1&2 Supply Positive 30+Volts 4&5 Supply Ground 0 Volts 7&8 Output to Motor Power 10&11 Output to Motor Power P4-1 P4-9 P3-1 P3-9 P2-1 Encoder A P4-4 P4-12 P3-4 P3-12 P2-4 Encoder B P4-3 P4-11 P3-3 P3-11 P2-3 0 Volt P4-6 P4-14 P3-6 P3-14 P2-6 5 Volt