Large Display Temperature Meters
Instruction Manual
6
List of Figures
Figure 1.
Input Power Label ................................................................. 21
Figure 2.
Input Power Connections for 756 and 757 .......................... 23
Figure 3.
Four-Wire RTD Connections ................................................ 24
Figure 4.
Three-Wire RTD Connections............................................... 24
Figure 5.
Two-Wire RTD Connections ................................................. 25
Figure 6.
Thermocouple Connections ................................................. 25
Figure 7.
External Control Connections.............................................. 26
Figure 8.
Relay and 4-20 mA Output Terminals .................................. 27
Figure 9.
Output Loop Powered by Meter ........................................... 28
Figure 10.
Output Loop Powered from External Power Supply........... 28
Figure 11.
JP1 Input Signal Selection Array. ......................................... 29
Figure 12.
Reed Switch Operation.......................................................... 30
Figure 13.
AC and DC Loads Protection ................................................ 46
Figure 14.
Low Voltage DC Loads Protection ....................................... 46
Figure 15.
PD755 Panel Mounting .......................................................... 50
Figure 16.
PD757 Panel Mounting .......................................................... 51
Figure 17.
PD757 Panel Mounting Cutout Dimensions......................... 51
Figure 18.
755 Pipe Mounting Assembly................................................ 53
Figure 19.
756 Pipe Mounting Assembly................................................ 53
Figure 20.
Pipe Mounting Plate............................................................... 54
Figure 21.
Explosion-proof Control Station........................................... 55
Figure 22.
Removing the PD755 Display PCB ....................................... 56
Figure 23.
PD755 Options PCB Standoffs Location.............................. 56
Figure 24.
PD755 Options PCB Installation ........................................... 57
Figure 25.
PD756 Option PCB Installation ............................................. 58
Figure 26.
PD756 Option PCB Installed ................................................. 58
Figure 27.
PD757 Option PCB Installation ............................................. 59
Figure 28.
Removing the Display PCB on PD755 .................................. 60
Figure 29.
Removing the Display PCB on PD756 .................................. 60
Figure 30.
Removing the Display PCB on PD757 .................................. 61
Figure 31.
PD755 Connectors and Jumper Location ............................ 61
Figure 32.
PD756 Connectors and Jumper Location ............................ 62
Figure 33.
PD757 Connectors and Jumper Location ............................ 62
Figure 34.
PD755 Jumper Arrays and Status LED Identification ......... 63
Figure 35.
PD756 Jumper Arrays and Status LED Identification ......... 63
Figure 36.
PD757 Jumper Arrays and Status LED Identification ......... 64
Figure 37.
PD755 Front Panel Display.................................................... 65
Figure 38.
PD756 Front Panel Display.................................................... 65
Figure 39.
PD757 Front Panel Display.................................................... 65
Figure 40.
PD755 Overall Dimensions.................................................... 66
Figure 41.
PD756 Overall Dimensions.................................................... 66
Figure 42.
PD757 Overall Dimensions.................................................... 67
Figure 43.
PD755 Wall Mounting Dimensions ....................................... 67
Figure 44.
PD755 Wall Mounting Screw Installation ............................. 67
Figure 45.
PD756 Wall Mounting Dimensions ....................................... 68
Figure 46.
PD757 Wall Mounting Dimensions ....................................... 68
