Nordson EFD PICO Controller 2+2 CH-V2 Series Operating Manual page 12

PICO Controller 2+2-XCH-V2
Channels 1–4 D-Subconnector Pins (continued)
Pin Signal
Inputs
1 DGND
2 GND_IO
4 24 V_IO
5 IN1
6 IN2
7 IN3
8 IN4
9 IN5
10 IN6
11 IN7
12 IN8
13 IN9
14 IN10
15 IN_STOP
16*
17*
18 IN_ANALOG
25 DGND
Outputs
3 24 V
19 OUT_READY
20 OUT_LINE_END
21 OUT_TEMP_PLC
22 OUT_FAULT_PLC
23 OUT_ANALOG
24 PULS_OUT
*Pins 16 and 17: Do not connect externally.
NOTES
(about channel interfaces):
• Dispensing can be started only when high level (+12 to +30 V) is on pin 17. If the EMERGENCY OFF feature is
activated, the high level must also be on pin 15.
• Pins can be connected for tests without a PICO Toµch controller:
Pins 1 and 2:
Pins 3, 4, 15, and 17:
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Level Comment
0 V Internal reference potential
0 V Reference potential for inputs and outputs
External supply of +24 V for the outputs
0 V / 24 V To activate a block (reference GND_IO)
0 V / 24 V To activate a block (reference GND_IO)
0 V / 24 V To activate a block (reference GND_IO)
0 V / 24 V To activate a block (reference GND_IO)
0 V / 24 V To activate a block (reference GND_IO)
0 V / 24 V To activate a block (reference GND_IO)
0 V / 24 V To activate a block (reference GND_IO)
0 V / 24 V To activate a block (reference GND_IO)
0 V / 24 V To activate a block (reference GND_IO)
0 V / 24 V To activate a block (reference GND_IO)
0 V / 24 V Emergency off: 24 V = unit ready 0 V = unit stopped
Internal use [IN_TEMP_PLC - bin. PICO Toµch controller input
(0 V / 24 V)
"Temperature limit for dispensing material reached" (reference DGND)]
Internal use [IN_FAULT_PLC - bin. PICO Toµch controller input
(0 V / 24 V)
Dispensing sequence fault" (reference DGND)]
0–10 V To control the pause time assigned between 0.12 ms and the delay time (reference DGND)
0 V Internal reference potential
Unit's internal 24 V supply is threaded out of the unit to be used as potential for the binary inputs
24 V
/ outputs
0 V / 24 V
Message indicating channel readiness (reference GND_IO); 24 V = IO
max. 20 mA
0 V / 24 V
Message indicating end of pulse output in the channel with 24 V / 100 ms (reference GND_IO)
max. 20 mA
0 V / 24 V Status output temperature, comparison of actual and setpoint temperature of valve 24 V / 100 ms
max. 20 mA (Bezug GND_IO)
Status output faults. Following functions are checked:
- Valve connection (ENA)
- Drive voltage
0 V / 24 V - Heater (short-circuit / broken cable)
max. 20 mA - Temperature sensor (short-circuit / broken cable)
- Over-temperature
- Level check reached
24 V = OK, 0 V = fault
0–5 / 10 V Test point 0–5 / 10 V to specify the temperature to the PICO Toµch controller; adjustable with
max. 10 mA software switch
0 V / 24 V
Output signal pulse-pause block (reference DGND) to PICO Toµch controller
max. 80 mA
Elimination of galvanic isolation
Use of the internal potential and simulation of fault-free operation
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