Specifications

1-22 Introduction
1. 7. Overview of NuDAM-6058
What is NuDAM-6058 ?
NuDAM-6058 provides 28 digital I/O channels. It emulates
industry standard mode zero configuration of 8255
programmable peripheral interface (PPI) chip. The PPI offers 3
ports A, B and C, the C port can also be subdivided into 2
nibble-wide (4-bit) port – C upper and C lower. A 50 pin SCSI
connector equipped with ND-6058 which is corresponding to PPI
chip with 24 DIO points.
Features of NuDAM-6058
• Industry standard 8255 programmable peripheral interface mode
0 emulation
• 24 Programmable I/O channels
• 4 dedicated input channels
• Completely TTL compatible I/O lines
• Status read-back capability
• Direct bit set/reset capability
• Buffered circuits for higher driving capability
• Direct interface with OPTO-22 compatible I/O module
• Programmable host watchdog timer for host failure protection
• Internal watchdog timer for device failure protection
• On board resetable fuse to protect power supply form external
devices
• Easy programming by software
• Easy installation and wiring
Specifications of NuDAM-6058
² Interface
• Interface : RS-485, 2 wires
• Speed (bps) : 1200, 2400, 4800, 9600, 19.2K, 38.4K, 115.2K
(115.2K only for firmware reversion above A4.00)
² Programmable Digital Input/Output
• Channel numbers : 24
• Input Signal: