INSTALLATION MANUAL
NTR 756 D / e 09/2003- 7/13
2.4 Description of relay outputs
Description Description of relay outputs
Max. operating voltage 250 VAC, 30 VDC
Max. operating current 8A/point
Minimum load 10 mA at 5 VDC
Response time 10 ms
Type of contact AgNi (cadmium-free)
Status indication LCD display
Utilization
category
Max. operating
voltage
Power consumption
in steady state
Durability
(number of operations)
Operations
max./hour
AC15 (electromagnet) 250 VAC 750 VA 6,000 600
AC14 (electromagnet) 250 VAC 750 VA 6,000 600
DC13 (electromagnet)
(L/R = 15 ms)
30 VDC 30 W 6,000 360
AC12 (resistive) 250 VAC 2000 VA 100,000 1800
DC12 (resistive) 30 VDC 192 W 100,000 1800
2.5 Description of transistor outputs
Description Description of transistor outputs
Operating voltage 5-24 VDC (+ 20%)
Maximum current 0.7 A
Minimum load 1 mA
Maximum inductive and resistive loads 0.7 A 24 VDC (24 W)
Maximum ignition load 0.125 A/24 VDC (3 W)
Ton/Toff, Toff/Ton response time ≤ 1 ms
Leakage current ≤ 0.1 mA/24 VDC
Status indication LCD display
Circuit isolation No
2.6 General description
Description Specification
Programming Logic block or function block
Program capacity 128 blocks
Program backup
Via internal EEPROM or optional external EEPROM module
Internal EEPROM à 10,000 write operations
External EEPROM à 100,000 write operations
Data backup 10 years
Clock backup 10 years