Maintenance 4. Pin Assignments for the System Connectors120 RC420 Rev.94.2 M/C Signal CablePin No. Signal Name Pin No. Signal Name Pin No. Signal Name1 EG 26 1S 51 2B2 4A 27 1HOME 52 2Z3 4B 28 ENC+5V 53 2S4 4Z 29 NC 54 NC5 4S 30 NC 55 ENC+5V6 4HOME 31 NC 56 EG7 ENC+5V 32 EMB1 57 1A8 EG 33 +24V 58 1B9 3A 34 RG 59 1Z10 3B 35 EG 60 1S11 3Z 36 4A 61 HCOM12 3S 37 4B 62 ENC+5V13 3HOME 38 4Z 63 NC14 ENC+5V 39 4S 64 NC15 EG 40 NC 65 NC16 2A 41 ENC+5V 66 EMB217 2B 42 EG 67 +24V18 2Z 43 3A 68 RG19 2S 44 3B20 2HOME 45 3Z21 ENC+5V 46 3S22 EG 47 NC23 1A 48 ENC+5V24 1B 49 EG25 1Z 50 2AThe Controller’s and Manipulator’s pin numbering layout differs: one is lined horizontallyand the other is lined vertically.)NOTE
