CTI Products GPIO General Purpose I/O Interface - Manual (Page 14)

GPIO Hardware Reference Option Switches & Jumpers
CTI Products, Inc.
5. Option Switches & Jumpers
Addressing and option switches are provided for module configuration. The
module must be power cycled or reset after these switches are set so that the
options will take effect. Press the Reset toggle switch down to reset the module.
5.1 Group & Module Switches
The Group and Module rotary selector switches are used to set the node address
during module installation. Each module must have a unique Group:Module
address. Refer to the Monitor and Control Network System Manual, S2-60425, for
details about address planning or the Custom System Configuration
documentation for pre-assigned addresses if your system is a Custom Engineered
system.
SWITCH DESCRIPTION DEFAULT
GROUP Unit Address setting (00-FE)
refer to the MCN System Manual
00
MODULE Unit Address setting (0-F)
refer to the MCN System Manual
0
Table 4 – Group & Module Switches
5.2 Option Switches
This section applies only if magnetically-latched relays are installed in the GPIO.
The Option switches allow the technician to pre-set any magnetically-latched
relay outputs that are installed in the GPIO module.
OPTION
SWITCH
DESCRIPTION Notes Default
1 Not used Down
2 Not used Down
Reset Initial State See Table 6 Down 3
Reset Initialize Enable See Table 6 Down 4
Table 5 - Option Switches
Option Switches 3 & 4 are used to select the initial state at power-up and reset:
SW3 SW4 Initial State on Power Up or Reset Default
Down Down Do not re-initialize. Use last stored state. X
Up Down Do not re-initialize. Use last stored state.
Down Up Initialize to OFF
Up Up Initialize to ON
Table 6 – Initial State on Reset
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