Technical specifications
Page 3-8 ABB Control - AC 31
1SBC 260400 R1001-b 06.99
3.2. Technical specification
40 series 50 series
07 CR 41
24 V d.c.
07 CT 41
24 V d.c.
07 CR 41
120/230 V a.c.
07 KR 51
24 V d.c.
07 KT 51
24 V d.c.
07 KR 51
120/230 V a.c.
Number of I/O
- Incorporated binary inputs 8 8
- Incorporated binary outputs 6 6
- Analog potentiometers 2 2
- Maximum number of extension
units per central unit
66
- Maximum number of remote units
on the CS 31 bus
-31
- Max. number of binary inputs 104 1096
- Max. number of binary outputs 54 1046
- Max. number of analog inputs 48 496
- Max. number of analog outputs 12 136
Interfaces
- CS 31 interface no yes
- Interface for: Programming
MODBUS
®
or ASCII
1 RS 232 1 RS 232 / RS 485
Memory
- User program memory size:
without ONLINE
with ONLINE
16 000 words (typically: 8 kInstructions)
8 000 words (typically: 4 kInstructions)
16 000 words (typically: 8 kInstructions)
8 000 words (typically: 4 kInstructions)
- User program memory
and the constants
Flash Eprom Flash Eprom
- Data memory SRAM SRAM
- Data backup:
Backup autonomy
Charge time under power
no
-
-
yes with battery
40 days at 25°C
100% in 12 h