A-2
Connecting TM I/O to PCS 7
C79000-G8076-C710-04
A.1 Technical data of the TPM 478-2 interface module
Circuit structure:
• Microprocessors
– I/O processor: 80C186
Memory:
• RAM: 32 Kbytes
• FEPROM: 256 Kbytes
Interfaces:
• ISA bus
– parallel
– 16-bit data bus
– 24-bit address bus
• I/O bus
– parallel 8-bit data bus
– transmission speed approx. 300 Kbps
– max. 4 x 14 (+ 5) I/O modules on one I/O bus (A/B)
– Double address monitoring via One-Of-n-Check (OONC)
– Access monitoring via RDY
– External power supply (5-V bus) for module bus logic
Operating values:
• Power supply + 5 V " 5 %
• rated current 0.5 A
• Power loss 2.5 W
I/O bus A
I/O bus B
+5 V I/O bus
Dimensions:
• Mounting width 2 mounting positions (50 mm)
• Height 290 mm
• Depth 210 mm.
Weight: 1.5 kg
Logic characteri-
stics data
Electrical data
Interfaces
Mechanical data
Technical Data