Electro-Chemical Devices (ECD) T80 - Manual (Page 21)

2.2.4 W IRING , C ONTACT R ELAY O UTPUTS
The standard configuration has three SPDT 230V 5 A relays that can be wired either normally open (NO) or
normally closed (NC). The default configuration is set to use the relays as normally open.
2.2.5 W
IRING
, S
ERIAL
O
UTPUT
MODBUS RTU
Attach the sensor wires as shown in Figure 2.2.2 or as described on the diagram inside the T80 cover. Feed the
sensor cable through the gland fitting on the left hand side of the T80. Do not use the same gland fitting for the
AC power or Alarm/Relays. See MODBUS command register in
Appendix D .
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