Smart Photoionization Detector Module PIDS3
User Manual
PIDS3 - User Manual (en) - 1.03.docx
Analytical Control Instruments GmbH, Volmerstraße 9A, 12489 Berlin, Germany, www.aci-berlin.com
Page 19 of 58
X1
1
2
3
4
Power
V+
24 VDC
CL
4
…
20 mA
V-
0 VDC
SHIELD
[ Positive Supply ]
[ Current Loop Output ]
[ Negative Supply ]
[ for cable with add. inner shield ]
1 2 3 4
X2
1
2
3
RS485 (MODBUS)
A
GND
B
[ Non Inverting Terminal ]
[ Isolated Ground ]
[ Inverting Terminal ]
1 2 3
J1
COMM SELECT
Jumper plugged in
Jumper not
plugged
[ RS485 UART communication ]
[ RS485 MODBUS communication ]
Relays (optional)
X3
1
2
3
ERROR
Relay NC
Relay COM
Relay NO
[ Normally Closed De-Energized Contact ]
[ Common Contact ]
[ Normally Open De-Energized Contact ]
1 2 3
X4
1
2
3
ALARM HIGH
Relay NC
Relay COM
Relay NO
[ Normally Closed De-Energized Contact ]
[ Common Contact ]
[ Normally Open De-Energized Contact ]
1 2 3
X5
1
2
3
ALARM LOW
Relay NC
Relay COM
Relay NO
[ Normally Closed De-Energized Contact ]
[ Common Contact ]
[ Normally Open De-Energized Contact ]
1 2 3