Specifications
Original instructions
About us
Overview
This section contains specifications for the 170 AAI 520 40 I/O base.
General Specifications
Module type
4 analog inputs
Range - mV
+/- 100 mV, +/- 25 mV
Types - RTD
Pt100, Pt 1000, Ni100 or Ni1000
Types - Thermocouple
B, E, J, K, N, R, S or T
Supply voltage
24 VDC
Supply voltage range
20 ... 30 VDC
Supply current consumption
max. 330 mA at 24 VDC
Power dissipation
3.5 W typical
5.5 W maximum
I/O map
4 input words
4 output words
Isolation
Between channels
400 VDC
Between base supply and ground
500 Vcc, 1 min
Between input channels and ground
500 VAC, 1 min
Common mode channel/ground voltage
+/-100 VDC, 250 VAC
Common mode voltage between channels
200 VDC, 115 VAC single- or three-phase or 250 VAC single phase
Common mode rejection between channel and ground
135 dB DC, 145 dB AC 50 Hz, 155 dB AC 60 Hz
Common mode rejection between channels
120 dB DC, 130 dB AC 50 Hz, 140 dB AC 60 Hz
Serial-mode rejection
35 dB AC 50 Hz, 45 dB AC 60 Hz
Input protection
+/- 30 VDC
Fuses
Internal (not user-replaceable)
2 A slow-blow
External (recommended)
1 A slow-blow (Bussmann GDC-1A or equivalent)
EMC
Immunity
IEC 1131-2
Surge on auxiliary power supply 500 V
Emissions
EN 50081-2
Agency approvals
UL, CSA, CE, FM Class 1 Div. 2
Physical Dimensions
Width
125 mm (4.9 in)
Depth (with no adapter)
40 mm (1.54 in)
Length
141.5 mm (5.5 in) no busbar
Weight
215 g (0.45 lb)
Analog Inputs mV Range
Surge tolerance:
input voltage
+/- 30 VDC
Number of channels
4 differential inputs
Format of transmitted data
full 16 bits signed (2’s complement)
Current source
0.125 mA (for Pt1000 or Ni 1000 probe)
1.25 mA (for Pt 100 or Ni 100 probe)
Update time for the inputs
500 ms
Voltage range
+/-25 mV
+/-100 mV
Input impedance
> 10 MOhm
> 10 MOhm
Error at 25 degrees C
+/- 21 microV
+/- 27 microV
Error at 60 degrees C
+/- 46 microV
+/- 94 microV
Resolution
15 bits + sign
15 bits + sign
RTD Ranges for Pt100/Pt1000
Range
Pt100 (IEC751)
Pt100 (US/JIS)
Pt1000 (IEC751)
Pt1000 (US/JIS)
Input Span
-200...+850 deg. C
-328...+1562 deg. F
-200...+510 deg. C
-328...+950 deg. F
-200...+850 deg. C
-328...+1562 deg. F
-200...+510 deg. C
-328...+950 deg. F
Resolution of conversion
0.029...0.043 deg. C
0.052...0.077 deg. F
0.029...0.037 deg. C
0.053...0.067 deg. F
0.029...0.043 deg. C
0.052...0.077 deg. F
0.029...0.037 deg. C
0.053...0.067 deg. F
Display resolution
0.1 deg. C 0.1 deg. F
0.1 deg. C 0.1 deg. F
0.1 deg. C 0.1 deg. F
0.1 deg. C 0.1 deg. F
Errors for Pt100/Pt1000
Maximum error at 25 degrees C in degrees C (1)
Temperature
Wiring Type
Pt100 (IEC751)
Pt100 (US/JIS)
Pt1000 (IEC751)
Pt1000 (US/JIS)
2/4 wires
3 wires
2/4 wires
3 wires
2/4 wires
3 wires
2/4 wires
3 wires
-200 deg. C
0.2 [0.7]
0.4 [0.8]
0.2 [0.7]
0.4 [0.8]
0.2 [0.6]
0.4 [0.8]
0.2 [0.6]
0.4 [0.8]
-100 deg. C
0.2 [0.9]
0.4 [1.0]
0.2 [0.9]
0.4 [1.0]
0.3 [0.8]
0.4 [1.0]
0.3 [0.8]
0.4 [1.0]
0 deg. C
0.3 [1.1]
0.4 [1.2]
0.3 [1.1]
0.4 [1.2]
0.3 [1.0]
0.4 [1.2]
0.3 [1.0]
0.4 [1.2]
100 deg. C
0.3 [1.2]
0.4 [1.4]
0.3 [1.3]
0.4 [1.4]
0.3 [1.2]
0.4 [1.4]
0.3 [1.2]
0.4 [1.4]
200 deg. C
0.3 [1.4]
0.4 [1.5]
0.3 [1.4]
0.4 [1.5]
0.3 [1.4]
0.5 [1.5]
0.3 [1.4]
0.5 [1.6]
300 deg. C
0.3 [1.6]
0.5 [1.8]
0.3 [1.7]
0.5 [1.8]
0.3 [1.6]
0.5 [1.8]
0.4 [1.6]
0.5 [1.8]
400 deg. C
0.3 [1.8]
0.5 [2.0]
0.3 [1.8]
0.5 [2.0]
0.4 [1.8]
0.5 [2.0]
0.4 [1.8]
0.5 [2.0]
500 deg. C
0.3 [2.1]
0.5 [2.2]
0.3 [2.1]
0.5 [2.2]
0.4 [2.0]
0.5 [2.2]
0.4 [2.0]
0.5 [2.2]
600 deg. C
0.4 [2.3]
0.5 [2.5]
0.4 [2.3]
0.5 [2.4]
700 deg. C
0.4 [2.5]
0.5 [2.7]
0.4 [2.5]
0.6 [2.7]
800 deg. C
0.4 [2.7]
0.6 [2.9]
0.5 [2.8]
0.6 [2.9]
-300 deg. F
0.4 [1.3]
0.5 [1.5]
0.4 [1.3]
0.5 [1.5]
0.4 [1.2]
0.6 [1.4]
0.4 [1.1]
0.6 [1.4]
-100 deg. F
0.4 [1.6]
0.6 [1.9]
0.4 [1.6]
0.6 [1.9]
0.5 [1.5]
0.6 [1.8]
0.5 [1.5]
0.6 [1.8]
100 deg. F
0.5 [2.0]
0.6 [2.3]
0.5 [2.0]
0.6 [2.2]
0.5 [1.9]
0.7 [2.2]
0.5 [1.9]
0.7 [2.2]
300 deg. F
0.5 [2.4]
0.6 [2.6]
0.5 [2.3]
0.6 [2.6]
0.5 [2.3]
0.7 [2.6]
0.5 [2.2]
0.7 [2.5]
500 deg. F
0.5 [2.8]
0.7 [3.0]
0.5 [2.7]
0.7 [3.0]
0.5 [2.7]
0.8 [3.0]
0.5 [2.7]
0.7 [3.0]
700 deg. F
0.6 [3.1]
0.7 [3.4]
0.5 [3.1]
0.7 [3.4]
0.6 [3.1]
0.8 [3.4]
0.6 [3.1]
0.8 [3.4]
900 deg. F
0.6 [3.6]
0.8 [3.9]
0.6 [3.5]
0.8 [3.8]
0.6 [3.5]
0.8 [3.9]
0.6 [3.5]
0.8 [3.8]
1100 deg. F
0.6 [4.0]
0.9 [4.3]
0.7 [4.0]
0.9 [4.4]
1300 deg. F
0.7 [4.6]
0.9 [4.8]
0.7 [4.5]
1.0 [4.8]
1500 deg. F
0.7 [5.0]
0.9 [5.3]
0.8 [5.0]
1.1 [5.3]
(1) The values shown in brackets correspond to the maximum errors for temperatures in the range 0 ... 60 degrees C or 32 and 140 degrees F.
Maximum Cable Resistance for Pt100/Pt1000
Wiring type
Pt100 (IEC751)
Pt100 (US/JIS)
Pt1000 (IEC751)
Pt1000 (US/JIS)
2/4 wires
3 wires
2/4 wires
3 wires
2/4 wires
3 wires
2/4 wires
3 wires
Max. resistance per cable
50 Ohms with 4 wires
20 Ohms (1)
500 Ohms with 4 wires
20 Ohms (1)
500 Ohms with 4 wires
200 Ohms (1)
500 Ohms with 4 wires
200 Ohms (1)
(1) Matching of line resistance for 3-conductor cables is < 0.02%.
RTD Ranges for Ni100/Ni1000
Range
Ni100 DIN43760
Ni1000 DIN43760
Input Span
-60...+250 deg. C
-76...+482 deg. F
-60...+250 deg. C
-76...+482 deg. F
Resolution of conversion
0.026...0.012 deg. C
0.047...0.022 deg. F
0.026...0.0120 deg. C
0.047...0.022 deg. F
Display resolution
0.1 deg. C 0.1 deg. F
0.1 deg. C 0.1 deg. F
Errors for Ni100/Ni1000
Maximum error at 25 degrees C in degrees C (1)
Temperature
Wiring Type
Ni100 DIN43760
Ni1000 DIN43760
-50 deg. C
0.3 [0.8]
0.3 [1.0]
0.3 [0.8]
0.4 [0.9]
0 deg. C
0.2 [0.8]
0.3 [1.0]
0.3 [0.8]
0.3 [0.9]
50 deg. C
0.2 [0.8]
0.3 [0.9]
0.3 [0.8]
0.3 [0.9]
100 deg. C
0.2 [0.8]
0.3 [0.9]
0.3 [0.8]
0.3 [0.9]
150 deg. C
0.2 [0.8]
0.3 [0.9]
0.2 [0.8]
0.3 [0.9]
200 deg. C
0.2 [0.8]
0.3 [0.9]
0.2 [0.8]
0.3 [0.8]
250 deg. C
0.2 [0.8]
0.3 [0.8]
0.2 [0.8]
0.3 [0.8]
0 deg. F
0.4 [1.4]
0.5 [1.6]
0.4 [1.3]
0.6 [1.6]
100 deg. F
0.4 [1.4]
0.5 [1.6]
0.4 [1.4]
0.5 [1.5]
200 deg. F
0.4 [1.4]
0.5 [1.5]
0.4 [1.4]
0.5 [1.5]
300 deg. F
0.4 [1.4]
0.5 [1.5]
0.4 [1.4]
0.5 [1.5]
400 deg. F
0.4 [1.4]
0.5 [1.5]
0.4 [1.4]
0.5 [1.5]
(1) The values shown in brackets correspond to the maximum errors for temperatures in the range 0 ... 60 degrees C or 32 and 140 degrees F.
Maximum Cable Resistance for Ni100/Ni1000
Wiring Type
Ni100 DIN43760
Ni1000 DIN43760
2/4 wires
3 wires
2/4 wires
3 wires
Max. resistance per cable
1000 Ohms with 4 wires
200 Ohms (1)
1000 Ohms with 4 wires
200 Ohms (1)
(1) Matching of line resistance for 3-conductor cables is < 0.02%.
Thermocouple Ranges in Degrees C
Input span and resolution in degrees C
Thermocouple Type
B
E
J
K
N
R
S
T
Input Span
0.0 +1802.0
-270.0 +1000.0
-210.0 +1200.0
-270.0 +1372.0
-270.0 +1300.0
-50.0 +1769.0
-50.0 +1769.0
-270.0 +400.0
Resolution of conversion
0.78... ...0.07
1.12... ...0.04
0.15... ...0.05
0.83... ...0.30
1.67... ...0.03
0.26... ...0.08
0.24... ...0.09
0.50... ...0.02
Display resolution
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
Thermocouple Errors in Degrees C
Maximum error at 25 degrees C in degrees C (1)
Temperature
Thermocouple Type
B
E
J
K
N
R
S
T
-200 deg. C
5.8 [11.8]
6.9[14.6]
8.0[18.3]
6.8[14.8]
-100 deg. C
3.4 [6.7]
3.6 [7.5]
4.0 [8.9]
4.0 [8.4]
0 deg. C
2.7 [5.3]
2.8 [5.5]
2.9 [6.0]
3.3 [7.3]
6.4[13.1]
6.3[12.8]
3.0 [6.3]
100 deg. C
2.5 [4.8]
2.7 [5.2]
2.9 [5.8]
3.1 [6.6]
4.7 [9.5]
4.8 [9.6]
2.6 [5.4]
200 deg. C
2.4 [4.5]
2.7 [5.3]
3.2 [6.2]
2.8 [6.1]
4.2 [8.2]
4.4 [8.5]
2.4 [4.9]
300 deg. C
2.4 [4.5]
2.9 [5.5]
3.1 [6.1]
2.7 [5.8]
3.9 [7.7]
4.1 [8.1]
2.3 [4.7]
400 deg. C
2.4 [4.5]
3.0 [5.7]
3.2 [6.2]
2.8 [5.7]
3.8 [7.4]
4.0 [7.9]
500 deg. C
2.4 [4.6]
3.1 [5.7]
3.3 [6.3]
2.8 [5.7]
3.7 [7.2]
4.1 [7.8]
600 deg. C
5.1 [9.5]
2.7 [4.8]
3.1 [5.7]
3.4 [6.5]
2.8 [5.8]
3.7 [7.0]
4.1 [7.7]
700 deg. C
4.5 [8.4]
2.8 [5.0]
3.0 [5.5]
3.6 [6.7]
3.0 [5.9]
3.7 [6.9]
4.1 [7.7]
800 deg. C
4.2 [7.7]
3.0 [5.3]
3.8 [7.0]
3.0 [6.1]
3.7 [6.9]
4.1 [7.6]
900 deg. C
4.0 [7.2]
4.0 [7.5]
3.2 [6.3]
3.7 [6.7]
4.1 [7.5]
1000 deg. C
3.8 [6.8]
4.2 [7.8]
3.3 [6.5]
3.7 [6.7]
4.1 [7.5]
1100 deg. C
3.6 [6.5]
4.5 [8.2]
3.6 [6.8]
3.7 [6.7]
4.2 [7.5]
1200 deg. C
3.6 [6.3]
4.7 [8.7]
3.7 [7.1]
3.7 [6.7]
4.2 [7.5]
1300 deg. C
3.6 [6.2]
3.9 [6.8]
4.3 [7.7]
1400 deg. C
3.6 [6.2]
4.0 [6.9]
4.4 [7.8]
1500 deg. C
3.6 [6.1]
4.1 [7.1]
4.6 [8.1]
1600 deg. C
3.8 [6.3]
4.3 [7.4]
4.8 [8.3]
1700 deg. C
3.8 [6.5]
Overflow code
+ 1802.1
+ 1000.1
+ 1200.1
+ 1372.1
+ 1300.1
+ 1769.1
+ 1769.1
+ 400.1
Underflow code
- 0.1
- 270.1
- 210.1
- 270.1
- 270.1
- 50.1
- 50.1
- 270.1
Wiring default code
- 0.2
- 270.2
- 210.2
- 270.2
- 270.2
- 50.2
- 50.2
- 270.2
(1) The values shown in brackets correspond to the maximum errors for temperatures in the range 0...60 degrees C or 32 and 140 degrees F.
Thermocouple Ranges in Degrees F
Input span and resolution in degrees F
Thermocouple Type
B
E
J
K
N
R
S
T
Input span
32.0 +3275.6
-454.1 +1832.0
-346.1 +2192.0
-454.1 +2501.6
-454.1 +2372.0
-58.1 +3216.2
-58.1 +3216.2
-454.1 +752.0
Resolution of conversion
1.40... ...0.12
2.01... ...0.07
0.27... ...0.09
1.50... ...0.05
3.00... ...0.05
0.47... ...0.15
0.43... ...0.16
0.90... ...0.04
Display resolution
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
Thermocouple Errors in Degrees F
Maximum error at 77 degrees F in degrees F (1)
Temperature
Thermocouple Type
B
E
J
K
N
R
S
T
-300 deg. F
9.1 [18.5]
10.8 [22.3]
11.9 [27.5]
10.9 [23.5]
-200 deg. F
7.8[17.1]
-100 deg. F
5.7[11.1]
6.1[12.4]
6.6[14.6]
6.5[13.8]
0 deg. F
5.1[10.0]
12.7 [26.0]
12.3 [25.2]
5.6 [11.9]
100 deg. F
4.7[9.2]
5.1[10.5]
5.8[12.8]
5.0[10.7]
200 deg. F
4.9[9.4]
8.6[17.4]
8.7[17.5]
4.7[9.8]
300 deg. F
4.4[8.3]
5.5[10.9]
5.2[11.5]
4.4[9.2]
400 deg. F
4.9[9.5]
7.5[14.8]
7.8[15.3]
4.3[8.8]
500 deg. F
4.3[8.1]
5.7[11.2]
5.1[10.8]
4.3[8.5]
600 deg. F
5.3[9.9]
6.9[13.6]
7.4[14.4]
4.2[8.3]
700 deg. F
4.4[8.1]
5.7[11.2]
4.9[10.5]
4.1[8.2]
800 deg. F
5.5[10.3]
6.8[13.1]
7.3[14.2]
900 deg. F
4.6[8.3]
5.9[11.3]
5.1[10.4]
1000 deg. F
5.5[10.3]
6.7[12.8]
7.4[14.0]
1100 deg. F
9.2[17.1]
4.8[8.7]
6.1[11.7]
5.1[10.4]
1200 deg. F
5.5[10.0]
6.7[12.6]
7.3[13.8]
1300 deg. F
8.1[15.1]
5.0[9.1]
6.5[12.1]
5.3[10.6]
1400 deg. F
5.3[9.8]
6.6[12.4]
7.3[13.7]
1500 deg. F
7.4[13.7]
5.4[9.6]
6.9[12.9]
5.6[11.1]
1600 deg. F
6.6[12.3]
7.3[13.7]
1700 deg. F
7.1[12.8]
7.3[13.5]
5.8[11.5]
1800 deg. F
6.7[12.1]
7.3[13.6]
1900 deg. F
6.7[12.0]
7.8[14.2]
6.2[11.9]
2000 deg. F
6.7[12.0]
7.4[13.6]
2100 deg. F
6.5[11.5]
8.2[15.1]
6.6[12.4]
2200 deg. F
6.8[11.9]
7.6[13.6]
2300 deg. F
6.4[11.3]
8.9[16.2]
7.0[13.1]
2400 deg. F
6.8[12.0]
7.8[13.8]
2500 deg. F
6.4[11.1]
2600 deg. F
6.9[11.9]
8.0[14.2]
2700 deg. F
6.5[11.1]
2800 deg. F
6.9[11.9]
8.3[14.7]
2900 deg. F
6.6[11.3]
3000 deg. F
7.0[12.0]
8.8[15.4]
3100 deg. F
6.6[11.7]
Overflow code
+3275.7
+1832.1
+2192.1
+2501.7
+2372.1
+3216.3
+3216.3
+752.1
Underflow code
+31.9
-454.2
-346.2
-454.2
-454.2
-58.2
-58.2
-454.2
Wiring default code
+31.8
-454.3
-346.3
-454.3
-454.3
-58.3
-58.3
-454.3
(1) The values shown in brackets correspond to the maximum errors for temperatures in the range 0...60 degrees C or 32 and 140 degrees F.