PCC-IV Instruction Manual (rev. 0.2)
Page 2-1
Section 2 - Installation
Section 2: Installation
Table of contents
Option Board Descriptions .......................................... 2
Mounting Overview...................................................... 2
NEMA 13 / IP65 Environment ..................................... 2
Ambient Temperature .................................................. 2
Rear Access ................................................................ 2
Mounting ..................................................................... 3
PCC-IV Dimensions ................................................ 3
Panel Cutout Dimensions ........................................ 3
Wiring Overview .......................................................... 4
120 Vac Ground ...................................................... 4
Terminal Blocks ....................................................... 4
Wire Type ................................................................ 4
Shielded Cable ........................................................ 4
24 Vdc Redundant Power Input Terminals .................. 4
Connecting and Powering the Front Panel .................. 5
24 Vdc & 5 Vdc Power Supply Load Calculations ....... 6
Fuses .......................................................................... 6
250-ohm Resistors for 4-20 mA Inputs ........................ 7
“A” Option Board 250-ohm Switches ....................... 8
Rev. 0:
“B” Option Board, 250-ohm Switches .......... 8
Rev. A:
“B” Option Board, 250-ohm Switches ......... 8
“F” Option Board 250-ohm Switches ....................... 9
“G” Option Board Fuses and Pull-ups ..................... 9
“J” Option Board Isolated Neutral Jumpers ........... 10
“S” Option Board 120 Vac Fuse ............................ 10
CPU Board Layout ................................................ 11
CPU Board Field Wiring Terminals ............................ 12
Option Board Field Wiring Terminals ......................... 13
Wiring Examples ....................................................... 14
Two Wire 4-20 mA Input, Internal 24 Vdc ............. 14
Two Wire 4-20 mA Input, External 24 Vdc ............. 14
Four Wire 4-20 mA Input ....................................... 14
Isolated 4-20 mA Input .......................................... 15
1-5 Vdc Input ......................................................... 15
0-10 Vdc Input ....................................................... 15
Potentiometer Input ............................................... 16
Potentiometer Input, “G” Board ............................. 16
4-20 mA Output ..................................................... 16
120 Vac Discrete Inputs, CPU Board .................... 17
120 Vac Discrete Inputs, “J” Board ........................ 17
Relay Output ......................................................... 18
Discrete Output, Sinking, Internal 24 Vdc .............. 18
Discrete Output, Sinking, External 24 Vdc ............. 18
Triac Output, Reversible Actuator ......................... 19
Triac Output, Other AC Loads ............................... 19
DC Commons and AC Neutrals Isolation .................. 20
Pull-Up/Down Resistor for Voltage Inputs ................. 22
RS485 Communications Wiring ................................. 23
Ethernet Cables ......................................................... 25
Micro-USB Download Cable ...................................... 25
Field Installation of Option Boards ............................. 26