Page 374 - EPR Catalog 2015

Logic relays
Technical data

Data at Ta = 25 °C and rated values, if nothing else indicated.

Type CL-LST... CL-LMT... CL-LET...

Output circuit - Transistor outputs

Number 48

Rated operational voltage Ue 24 V DC

Operational voltage range 20.4-28.8 V DC

Residual ripple ͨ5%

Supply current on „0“ signal typ. 9 mA / max. 16 mA typ. 18 mA / max. 32 mA

on „1“ signal typ. 12 mA / max. 22 mA typ. 24 mA / max. 44 mA

Reverse voltage protection yes (Attention: If supply voltage is reversed, applying voltage at the
outputs, causes a short circuit.)

Electrical isolation from voltage supply yes

from the inputs yes

from PC interface, memory module, -
CL-NET, CL-LINK

Rated operational current Ie on„1“ signal DC max. 0.5 A

Lamp load without Rv 5W

Residual current on „0“ signal per channel < 0.1 mA

Max. output voltage on „0“ signal at external load < 10 M⏲ 2.5 V

6 Short-circuit protection on „1“ signal at Ie = 0.5 A U = Ue - 1 V
yes, thermal (analysis results from diagnosis input I16, I15; R15, R16)

Short-circuit tripping current for Ra ͨ 10 m⏲ 0.7 A ͨ Ie ͨ 2 A per output

Total short-circuit current 8 A 16 A

Peak short-circuit current 16 A 32 A

Thermal tripping yes

Max. switching frequency with constant resistive load RL < 100 k⏲ 40.000 switching cycles/h
(depending on active channels and their load)

Parallel connection of outputs with resistive load, inductive load with group 1: Q1-Q4 group 1: Q1-Q4, group 1: S1-S4, group
group 2: Q5-Q8 2: S5-S8
external

suppressor, combination within one group

number of outputs max. 4

max. total current 2 A (Attention! Outputs must be actuated simultaneously and for the
same length of time.)

Indication of operational states of the outputs LCD-Display (if existing)

Inductive load1) without external suppressor

T0.95 = 1 ms, utilization factor 0.25 g
R = 48 ⏲, duty time 100 %
L = 16 mH
max. switching frequency f = 0,5 Hz 1500 switching cycles
(max. duty time = 50 %)

DC13, utilization factor 0.25 g
duty time 100 %
T0.95 = 72 ms,
R= 48 ⏲, max. switching frequency f = 0,5 Hz 1500 switching cycles
(max. duty time = 50 %)
L = 1.15 H

T0.95 = 15 ms, utilization factor 0.25 g
R= 48 ⏲, duty time 100 %

L = 0.24 H max. switching frequency f = 0,5 Hz 1500 switching cycles
(max. duty time = 50 %)

Inductive load1) with external suppressor

demand factor 1 g

duty time 100 %

max. switching frequency depends on suppressor
max. duty time

1) For inductive loading, without external suppression of the transistor outputs, the following applies:

T0.95 = time in ms, until 95 % of the steady-state current is achieved. T0.95 3 × T0.65 = 3 × L/R.

Data transfer rate in the CL-NET network: bus lengths of 40 m and over only attainable with cables with additional cross-section and connection adapter.

6/15 ABB | Catalog Electronic Products and Relays 2015 | 2CDC 110 004 C02010