B&B Electronics ZZ24D-NA(NB,NC,ND)-SR - Manual - Manual (Page 8)

Overview
2 Manual Documentation Number: pn7515_ZlinxIO-0712m
Special Precautions for UL and cUL Class I DIV 2 (C1D2)
The following modules are class 1 Div 2 listed:
- ZZ24D-Nx-SR (2.4GHz, Short range base I/O Modules)
- ZZ9D-Nx-LR (900 MHz, Long range base I/O Modules)
- ZZ-2AI2AO
- ZZ-4AI
- ZZ-4AO
- ZZ-4AO-2
- ZZ-4DI4DO-DCT
- ZZ-4DI4DO-DCT1
- ZZ-4RTD1
- ZZ-8DI-DC
- ZZ-8DO-R
- ZZ-8DO-T
- ZZ-8DO-T1
- ZZ-PROG1-USB
Class 1, Div 2 exceptions:
Note 1: ZZ-8DO-R is not UL508 listed.
Note 2: ZZxxD-Nx-MR, ZZxxD-Nx-xR-AU and ZZ8D-Nx-xR models are not Class 1, Div 2 listed but are UL508 listed.
WARNING – EXPLOSION HAZARD – SUBSTITUTION OF COMPONENTS MAY IMPAIR SUITABILITY FOR CLASS I,
DIVISION 2
WARNING – EXPLOSION HAZARD – WHEN IN HAZARDOUS LOCATIONS, TURN OFF POWER BEFORE REPLACING
ANTENNA
WARNING – EXPLOSION HAZARD – DO NOT DISCONNECT EQUIPMENT UNLESS POWER HAS BEEN SWITCHED OFF
OR THE AREA IS KNOWN TO BE NONHAZARDOUS
THIS EQUIPMENT IS SUITABLE FOR USE IN CLASS I, DIVISION 2, GROUPS A, B, C, AND D OR UNCLASSIFIED
LOCATIONS
Maximum Ambient Air Temperature 85°C (185°F) for all modules except ZZ-8DO-R.
For ZZ-8DO-R, maximum Ambient Air Temperature 55°C (131°F)
WIRING TERMINALS:
Copper wire only
One conductor per terminal
Wire range: 28 to 16 AWG
Tightening Torque: 1.7 lb-in.
Temperature rating of field wiring – 105 °C minimum (sized for 60°C ampacity).
WARNING - Two DIN rail end brackets, one on each end of of the assembled system, must be installed on the DIN rail to
mechanically secure the individual products. Two end brackets are supplied with each Expansion module.
The information below is specific to ZZ-8DO-R ONLY:
Maximum Ambient Air Temperature 55°C (131°F)
Temperature Rating of Field Wiring – 105° C (221° F) minimum sized for 55° C (131°F) ampacity.
WARNING – Exposure to some chemicals may degrade the sealing properties of materials used in the Sealed Relays.