Brother RH-981A Service Manual page 100

P16 [DC18] (JAPAN SOLDERLESS TERMINAL MFG. CO., LTD. PHR-11)
Pin no.
1 +18V (A18V)
2 0V (A0V)
3 -
4 +18V (B18V)
5 0V (B0V)
6 -
7 +18V (C18V)
8 0V (C0V)
9 -
10 +18V (D18V)
11 0V (D0V)
P17 [EXPM] (not attached)
P18 [PANEL] (JAPAN SOLDERLESS TERMINAL MFG. CO., LTD. XHR-10)
Pin no.
1 0V
2 0V
3 Send (CHO)
4 DTR (CHO)
5 Receive (CHO)
6 DSR (CHO)
7 +11V
8 -11V
9 +5V
10 +5V
P19 [FOOT] (JAPAN SOLDERLESS TERMINAL MFG. CO., LTD. PHR-6)
Pin no.
1 Start switch signal (common side)
2 Start switch signal
3 Work clamp switch signal (common side)
4 Work clamp switch signal
5 Reserved (common side)
6 Reserved
P20 [PER] (JAPAN SOLDERLESS TERMINAL MFG.CO., LTD PHR-5)
Pin no.
1 Relay condition input
2 Primary voltage detect
3 Relay OFF output
4 +55V OFF output
5 0V
Signal name
Signal name
Signal name
Signal name
Probable symptoms due to poor contact
• Machine motor does not run.
• Rotation of machine motor is not correct.
• Error code E70 or E91 appears.
Probable symptoms due to poor contact
• No keys on panel are activated.
Probable symptoms due to poor contact
• Work clamp does not move when work clamp switch
is pressed.
• Machine does not start.
• Home position detection is not possible immediately
after the power is turned on.
Probable symptoms due to poor contact
• One of error codes E26, E92, E98, and E99 appears.
RH-981A
5. POWER SUPPLY EQUIPMENT
92