Proline Promass 83E/F/O Operation Manual - FMC Technologies

Proline Promass 83Commissioning#Warning!6.4.3 Relay contacts: Normally closed/Normally openThe relay contact can be configured as normally open (NO or make) or normally closed (NC orbreak) contacts by means of two jumpers on the I/O board or on the pluggable submodule. Thisconfiguration can be called up at any time with the ACTUAL STATUS RELAY" function (No. 4740).Risk of electric shock. Exposed components carry dangerous voltages. Make sure that the powersupply is switched off before you remove the cover of the electronics compartment.1. Switch off power supply2. Remove the I/O board ä 963. Set the jumpers å 42" Caution!– If you change the setting you must always change the positions of both jumpers!Note precisely the specified positions of the jumpers.– Note that the position of the relay submodule on the I/O board can vary, depending on theversion ordered, and that the terminal assignment in the connection compartment of thetransmitter varies accordingly ä 29.4. Installation of the I/O board is the reverse of the removal procedure.INPUT/OUTPUT 2INPUT/OUTPUT 3INPUT/OUTPUT 41+2+Fig. 42: Configuring relay contacts (NC / NO) on the convertible I/O board (submodule).1 Configured as NO contact (default, relay 1)2 Configured as NC contact (default, relay 2, if installed)a0001215A12++12++BFig. 43:Configuring relay contacts (NC / NO) on the non-convertible I/O board.A = Relay 1; B = Relay 21 Configured as NO contact (default, relay 1)2 Configured as NC contact (default, relay 2)a0001216Issue/Rev. 0.2 (12/12) MN0M022 • Page 69