100/180 MM GRAPHICS RECORDER: USER GUIDE
HA261742
Issue 16 Nov 04
User Guide
Page 126
TECHNICAL SPECIFICATION (Relay output board)
General
Maximum number of relay boards
Small-frame unit
Four (maximum no. of relay outputs = 12)
Large-frame unit
Nine (maximum no. of relay outputs = 27)
Number of relays per board
Three
Estimated mechanical life
30,000,000 operations
Update rate
See '
' in 'Recorder specification' above
AC load ratings
Derating
The figures given below are for resistive loads. For reactive or inductive loads, de-rate in accordance with graph 1, in which
F1 =
Actually measured results on representative samples
F2 =
Typical values (according to experience)
Contact life =
Resistive contact life x reduction factor.
Maximum switching power
500VA
Maximum contact voltage
250V providing this does not cause the maximum switching power (above) to be exceeded
Maximum contact current
2 Amps providing this does not cause the maximum switching power (above) to be exceeded
DC load ratings
Maximum switching power
See graph 2 for operating volt/Amp envelope
Maximum contact voltage/current
See graph 2 for examples.
Safety isolation
Isolation (dc to 65 Hz; BS EN61010)
Installation category II; Pollution degree 2
Relay to relay:
300V RMS or dc (double insulation)
Relay to ground:
300V RMS or dc (basic insulation)
F1
F2
1
0.8
0.6
0.4
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
F
Reduction Factor F
Power factor (cos
φ
)
Graph 1 Derating curves for ac loads
Graph 2 DC load switching curves
10
20
30
40
50
100
200
300
0.1 0.2
0.5
5
20
Max. DC load breaking capacity
1
2
inductive load
(L/R = 20msec)
resistive load
DC Voltage (Volts)
DC current (Amps)
TECHNICAL SPECIFICATION (Event input board)
Event input board
See Options manual (section 7)
TECHNICAL SPECIFICATION (ASCII printer)
ASCII printer
See the documentation supplied with the printer