2-12
Application Manual CDA3000
2 Inverter module CDA3000
Pin assignment of serial interface X4
User module UM-8I4O
Pin no. Function
1+15 V DC for KEYPAD KP200
2 TxD, send data
3RxD, receive data
4 NC, free contact
5 GND for +15 V DC of K
EYPAD KP200
6 +24 V DC, control pcb power supply
7 NC, free contact
8 NC, free contact
9 GND for +24 V DC, control pcb power supply
Table 2.7 Specification of interface contacts
Des. Terminal Specification Floating
Digital input
+24V DC X15-21 Supply voltage for IEDxx
IED00 to
IED07
X15-22
to
X15-29
• Limit frequency 5 kHz
• PLC-compatible (IEC1131)
• Switching level Low/High: >5 V / >15 V DC
• I
max
at 24 V = 6 mA
• R
IN
= 4 kΩ
• Internal signal delay time
≈ 2µs
• Terminal scan cycle = 1ms
DGND X15-30 • Digital ground for IEDxx
Table 2.8 Specification of control terminals, UM-8I4O
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