Endress+Hauser OXY5500 - Page 18

Operating Instructions OXY5500 Gas Analyzer
18 Endress+Hauser
Pin Label Description Function
1 L-S1 Relay output, switch #1 (400V/250mA; R = max 8 Ohm) General Fault Alarm; normally closed
2 L-S1 Relay output, switch #1 (400V/250mA; R = max 8 Ohm)
3 L-S2 Relay output, switch #2 (400V/250mA; R = max 8 Ohm) Concentration Alarm; normally closed
4 L-S2 Relay output, switch #2 (400V/250mA; R = max 8 Ohm)
5 GNDA Analog output #1 ground Configurable analog output #1
6 IOUT1 Analog output #1 (4 – 20 mA); max load = 800 Ohm
7 GNDA Analog output #2 ground Configurable analog output #2
8 IOUT2 Analog output #2 (4 – 20 mA); max load = 800 Ohm
9 NC Not connected —
10 Psense- Analog input (4 – 20 mA); Sense (-) Pressure sensor input
11 Psense+
Analog Input (4 – 20 mA); Sense (+) loop-power 16 to 24 VDC;
max current = 32 mA
12 RTD + 4-wire RTD Pt100; Sense (+) Temperature probe
13 RTD - 4-wire RTD Pt100; Sense (-) Temperature probe
14 FRC+ 4-wire RTD Pt100; Force (+)
15 FRC- 4-wire RTD Pt100; Force (-)
16 GNDT RTD ground (Shield)
Table 6. Terminal block TB2
1
The 4-20 mA outputs are configured as sourcing to provide power to the loop. If a PLC/HMI is used to provide power to the loop, an isolator will be
required.
Pin Label Description Function
1 V1+ Power supply 24 VDC - Factory connection DC power input
2 V2+ Power supply 24 VDC - Factory connection DC power input
3 GND Power supply GND - Factory connection Power ground
4 GND Power supply GND - Factory connection Power ground
5 232TX RS-232 transmitter output (typical signal level ± 6 V) RS-232 signal transmit
6 232Rx RS-232 receiver input (typical signal level ± 6 V) RS-232 signal receive
7 GND RS-232/RS-485 ground RS-232/RS-485 signal ground
8 GND RS-232/RS-485 ground RS-232/RS-485 signal ground
9 485(A)+
RS-485 non-inverting receiver input and non-inverting driver
output
RS-485 signal
10 485(B)- RS-485 inverting receiver input and inverting driver output RS-485 signal
Table 7. Terminal block TB1