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Home --> Morley-IAS
Morley Loop Card
  • General
  • Feature
  • Specification
The Morley IAS Loop Driver is a plug-in card for use in the ZX series intelligent multi protocol fire alarm control panels. This module allows ZX series control panels to support input/output points from Morley-IAS analogue addressable devices: • Smoke Sensors (Ionisation and optical) • Heat Sensors • Monitor Modules • Control Modules • Isolator Modules • Conventional Zone • Addressable manual call points & pull stations • Addressable sounders The plug-in card provides power for and handles communications to the addressable devices. The loop driver continuously monitors the analogue values of all sensors and displays this value on the panel as a percentage of the alarm threshold value. Both the alarm and pre-alarm threshold levels can be adjusted from the control panel if required. Up to 198 devices (99 sensors and 99 modules) can be connected to a single loop driver. Each device has two rotary decade switches to allow a unique address to be selected.
• Compatible with ZX series intelligent multi protocol fire alarm control panels • Provides one class-A or class-B loop • Supports Morley-IAS analogue addressable sensors and modules • Plug-in connection • Double address detection
mechanical Dimensions (HxWxD): 90 x 54 x 18 mm Weight: 32 gr. (1 oz) Operating temperature: 0°C to 49°C Humidity: 10% to 93% non-condensing electrical Loop voltage : 24Vdc Nominal Power consumption: 20mA (excluding loop devices) Maximum continous loop drive current: 440mA per loop Maximum circuit ratings: Resistance: 40 Ohm max. Capacitance: 0.5ìF max. Diagnostics: Two diagnostic LED’s to indicate which end of the loop is being driven. Loop terminations: Screw terminals on the motherboard for a maximum cable cross sectional area of 2.5 mm2 (13 AWG) removable block. Wiring: Class A or class B with shielded, twisted wire.