Check With Input Signals - Mitsubishi Electric MELSEC-Q Series User Manual

9.2

Check with Input Signals

(1) If D/G terminal short (Xn1) is on
If D/G terminal short (Xn1) is on, perform the following troubleshooting.
• QJ51AW12D2 ( Page 63, Section 9.3.1 (4))
• LJ51AW12D2 ( Page 65, Section 9.3.2 (4))
(2) If D/24V terminal short (Xn2) is on
If D/24V terminal short (Xn2) is on, perform the following troubleshooting.
• QJ51AW12D2 ( Page 63, Section 9.3.1 (4))
• LJ51AW12D2 ( Page 65, Section 9.3.2 (4))
(3) If 24V not applied (Xn3) is on
If 24V not applied (Xn3) is on, perform the following troubleshooting.
• QJ51AW12D2 ( Page 63, Section 9.3.1 (3))
• LJ51AW12D2 ( Page 65, Section 9.3.2 (3))
(4) If D/G terminal disconnection (Xn4) is on
If D/G terminal disconnection (Xn4) is on, perform the following troubleshooting.
• QJ51AW12D2 ( Page 64, Section 9.3.1 (5))
• LJ51AW12D2 ( Page 65, Section 9.3.2 (5))
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