Detcon 1600A-N4X - Manual (Page 14)

1600A-N4X
1600A-N4X Instruction Manual Rev. 0.2 Page 10 of 38
Figure 12 Modbus™ Gas Sensor Connections
Relay Output Contact Modules
There are four ‘Form C’ 5 Amp relay contacts in each Model RL4 module. These can be used to control
annunciating devices or as signal inputs to other control devices. Connections to the relay contacts of the
Model RL4 module are shown in Figure 13. Note that the 5Amp rating of the relay contact should not be
exceeded.
Figure 13 Model RL-4 Relay Module
4-20mA Output Modules
There are four 4-20mA outputs in each Model AO-4 module. These can be used as signal inputs to other
control devices. Connect to the AO-4 modules as shown in Figure 14: