Kantech KT-400 - Manual (Page 11)

DN1726-0811 7
KT-400 Ethernet Four-Door Controller Installation Manual
Downloadable Firmware
The firmware program can be downloaded from any EntraPass workstation to the KT-400 Ethernet Four-Door Controller.
The firmware program, stored in the controller’s flash memory, is upgraded without having to change any parts.
Trouble and Reporting
The KT-400 Ethernet Four-Door Controller constantly supervises ac power and battery condition and reports “AC Lost”,
“Normal Battery”, “Low Battery”, “Battery Critical” or “No Battery”, status to the EntraPass system. Power outputs are
supervised and electronically protected against short-circuits and surges. Locking devices are also supervised for short
and open circuits.
Visual Status Indicators (LEDs)
The KT-400 Ethernet Four-Door Controller has multiple status indicators such as for troubleshooting, network activity,
power status and outputs activity. See Figure 1 for their locations.
- VITAL or Heartbeat: The VITAL blue LED indicates the communication status with EntraPass or the IP mode of the
controller. Refer to Table 1 for a descriptions of the heartbeat patterns.
- SPI Active (YELLOW): This LED signals activity on the SPI expansion port as well as communication between the
main CPU and the input/output CPU.
- COM1-RX, COM1-TX, COM2-RX, COM2-TX, RS232-RX and RS232-TX (YELLOW): The six serial port LEDs are
transmit/receive activity indicators. The COM2-RX and COM2-TX LEDs are for future use.
- LOCK1, LOCK2, LOCK3 and LOCK4 (RED): Each lock output (Open Drain) has an indicator which turns on each
time the corresponding output is activated.
- RELAY1, RELAY2, RELAY3 and RELAY4 (RED): Each relay output has an indicator which turns on each time the
corresponding relay is activated.
- AC PWR and DC PWR (GREEN): Theses LEDs are on when AC and DC power are present at the AC and/or DC
power input terminals.
- ETH1 LINK (GREEN): The LED is OFF when there is no Ethernet network or the cable is disconnected, and ON
when there is an Ethernet cable and network connection.
- ETH1 TXRX (YELLOW): The LED indicates network activity.
Built-in SPI Expansion
The KT-400 Ethernet Four-Door Controller allows connection of expansion modules in order to add outputs, like relays
and open drain outputs, and inputs. See Figure 10 and Figure 11 for an example with expansion modules.
- KT-MOD-REL8: The KT-MOD-REL8 is an 8-relay expansion module. Each relay is 3 Amps, 30 VDC Form C. The
module supports daisy-chaining which can add up to 32 KT-MOD-REL8 modules for a total of 256 relay outputs per
KT-400 Ethernet Four-Door Controller.
- KT-MOD-INP16: The KT-MOD-INP16 is a 16-zone input expansion module. The module supports daisy-chaining
which can add up to 15 KT-MOD-INP16 for a total of 240 external inputs per KT-400 Ethernet Four-Door Controller.
The KT-400 Ethernet Four-Door Controller has 16 onboard inputs which gives a total of 256 inputs per controller.
- KT-MOD-OUT16: The KT-MOD-OUT16 is a 16-output expansion module. Each output is capable of 750 mA. It
gives the opportunity to address the need for external LED, lock, relay, piezo and buzzer control. The module
supports daisy-chaining which can add up to 16 KT-MOD-OUT16 modules for a total of 256 external open drain
outputs per KT-400 Ethernet Four-Door Controller.
Note: The expansion modules support daisy chaining which can add up to 32 KT-MOD-REL8 modules for a total of 256
external relays per KT-400 Ethernet Four-Door Controller. Combining input and output expansion modules gives the
flexibility to connect up to 256 inputs and 256 outputs.